IT1219942B - Esteri polisaccaridici - Google Patents

Esteri polisaccaridici

Info

Publication number
IT1219942B
IT1219942B IT47963/88A IT4796388A IT1219942B IT 1219942 B IT1219942 B IT 1219942B IT 47963/88 A IT47963/88 A IT 47963/88A IT 4796388 A IT4796388 A IT 4796388A IT 1219942 B IT1219942 B IT 1219942B
Authority
IT
Italy
Prior art keywords
esters
manufacture
new
acidic polysaccharides
carboxymethylchitin
Prior art date
Application number
IT47963/88A
Other languages
English (en)
Other versions
IT8847963A0 (it
Inventor
Valle Francesco Della
Aurelio Romeo
Original Assignee
Fidia Farmaceutici
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fidia Farmaceutici filed Critical Fidia Farmaceutici
Publication of IT8847963A0 publication Critical patent/IT8847963A0/it
Priority to IT47963/88A priority Critical patent/IT1219942B/it
Priority to JP1505459A priority patent/JP2958373B2/ja
Priority to ES89108628T priority patent/ES2063779T3/es
Priority to DE68919435T priority patent/DE68919435T2/de
Priority to EP89108628A priority patent/EP0342557B1/en
Priority to NZ229099A priority patent/NZ229099A/en
Priority to AU35718/89A priority patent/AU629551B2/en
Priority to AT89108628T priority patent/ATE114322T1/de
Priority to IL9027389A priority patent/IL90273A/en
Priority to PCT/EP1989/000520 priority patent/WO1989010940A1/en
Priority to FI900187A priority patent/FI900187A0/fi
Priority to EP94107393A priority patent/EP0615979A3/en
Priority to CA000599556A priority patent/CA1336087C/en
Priority to US07/350,920 priority patent/US5122598A/en
Priority to HU893005A priority patent/HU208440B/hu
Priority to DK010890A priority patent/DK10890A/da
Application granted granted Critical
Publication of IT1219942B publication Critical patent/IT1219942B/it
Priority to KR1019920700072A priority patent/KR940011646B1/ko
Priority to US07/862,370 priority patent/US5466461A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/38—Cellulose; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
    • A61K47/61—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/736—Chitin; Chitosan; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0014—Skin, i.e. galenical aspects of topical compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/425—Porous materials, e.g. foams or sponges
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
    • A61L17/06—At least partially resorbable materials
    • A61L17/10—At least partially resorbable materials containing macromolecular materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—Macromolecular materials
    • A61L27/20—Polysaccharides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/042—Polysaccharides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C08B31/08—Ethers
    • C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5424—Polymers characterized by specific structures/properties characterized by the charge anionic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S424/00—Drug, bio-affecting and body treating compositions
    • Y10S424/15—Suppositories
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S604/00—Surgery
    • Y10S604/904—Tampons

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Dermatology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Birds (AREA)
  • Surgery (AREA)
  • Inorganic Chemistry (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dispersion Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Artificial Filaments (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Cosmetics (AREA)
IT47963/88A 1988-05-13 1988-05-13 Esteri polisaccaridici IT1219942B (it)

Priority Applications (18)

Application Number Priority Date Filing Date Title
IT47963/88A IT1219942B (it) 1988-05-13 1988-05-13 Esteri polisaccaridici
IL9027389A IL90273A (en) 1988-05-13 1989-05-12 Total esters and salts thereof of carboxymethylcellulose -starch and -chitin their preparation and use
FI900187A FI900187A0 (fi) 1988-05-13 1989-05-12 Nya polysackaridestrar.
DE68919435T DE68919435T2 (de) 1988-05-13 1989-05-12 Ester von Polysacchariden.
EP89108628A EP0342557B1 (en) 1988-05-13 1989-05-12 New polysaccharide esters
NZ229099A NZ229099A (en) 1988-05-13 1989-05-12 Total or partial esters of acidic polysaccharides
AU35718/89A AU629551B2 (en) 1988-05-13 1989-05-12 Esters of carboxymethylcellulose, carboxymethyl starch and carboxymethylchitin
AT89108628T ATE114322T1 (de) 1988-05-13 1989-05-12 Ester von polysacchariden.
JP1505459A JP2958373B2 (ja) 1988-05-13 1989-05-12 新規多糖類エステル
PCT/EP1989/000520 WO1989010940A1 (en) 1988-05-13 1989-05-12 New polysaccharide esters
ES89108628T ES2063779T3 (es) 1988-05-13 1989-05-12 Nuevos esteres de polisacaridos.
EP94107393A EP0615979A3 (en) 1988-05-13 1989-05-12 Partial ester of acidic polysaccharides.
CA000599556A CA1336087C (en) 1988-05-13 1989-05-12 Polysaccharide esters
US07/350,920 US5122598A (en) 1988-05-13 1989-05-12 Polysaccharide esters
HU893005A HU208440B (en) 1988-05-13 1989-05-12 Process for producing polysaccharide esters, pharmaceutical compositions containing them as vehicle and sanitary apparati and cosmetical compositions
DK010890A DK10890A (da) 1988-05-13 1990-01-12 Polysaccharidestre
KR1019920700072A KR940011646B1 (ko) 1988-05-13 1991-06-27 슬롯 절연자성 쐐기
US07/862,370 US5466461A (en) 1988-05-13 1992-04-02 Polysaccharide esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47963/88A IT1219942B (it) 1988-05-13 1988-05-13 Esteri polisaccaridici

Publications (2)

Publication Number Publication Date
IT8847963A0 IT8847963A0 (it) 1988-05-13
IT1219942B true IT1219942B (it) 1990-05-24

Family

ID=11263638

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47963/88A IT1219942B (it) 1988-05-13 1988-05-13 Esteri polisaccaridici

Country Status (16)

Country Link
US (2) US5122598A (it)
EP (2) EP0615979A3 (it)
JP (1) JP2958373B2 (it)
KR (1) KR940011646B1 (it)
AT (1) ATE114322T1 (it)
AU (1) AU629551B2 (it)
CA (1) CA1336087C (it)
DE (1) DE68919435T2 (it)
DK (1) DK10890A (it)
ES (1) ES2063779T3 (it)
FI (1) FI900187A0 (it)
HU (1) HU208440B (it)
IL (1) IL90273A (it)
IT (1) IT1219942B (it)
NZ (1) NZ229099A (it)
WO (1) WO1989010940A1 (it)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946870A (en) * 1986-06-06 1990-08-07 Union Carbide Chemicals And Plastics Company Inc. Delivery systems for pharmaceutical or therapeutic actives
US5387431A (en) 1991-10-25 1995-02-07 Fuisz Technologies Ltd. Saccharide-based matrix
IT1219942B (it) * 1988-05-13 1990-05-24 Fidia Farmaceutici Esteri polisaccaridici
RU2113221C1 (ru) * 1990-05-04 1998-06-20 Ииссум Рисерч Дивелопмент Компани оф дзе Хебрю Юниверсити оф Иеруcалим Фармацевтическая форма для введения лекарственного средства в ободочную кишку, способ введения лекарственного препарата и способ получения матриц для такой формы
IL98087A (en) * 1990-05-04 1996-11-14 Perio Prod Ltd Preparation for dispensing drugs in the colon
DE4022944A1 (de) * 1990-07-19 1992-01-23 Merck Patent Gmbh Sucralfat-kautablette
ATE152455T1 (de) * 1990-08-17 1997-05-15 Drug Delivery System Inst Ltd N-acetylcarboxymethylchitosanderivat und verfahren zur herstellung
GB9109757D0 (en) * 1991-05-04 1991-06-26 Procter & Gamble Cosmetic compositions
US5486582A (en) * 1991-07-03 1996-01-23 Shin-Etsu Chemical Co., Ltd. Polymer scale preventive process using a coating of chitosan salt and phenothiazine
IT1254119B (it) * 1991-09-13 1995-09-08 Fidia Esteri di derivati carbossilici di polisaccaridi
IT1263755B (it) * 1991-09-16 1996-08-29 Fidia Spa Uso di esteri della colina con polisaccaridi acidi come agenti antiulcera e gastroprotettivi
DE69222295T2 (de) * 1992-05-26 1998-04-09 The Procter & Gamble Co., Cincinnati, Ohio Pulverförmige pharmazeutische Zusammensetzung
US5648074A (en) * 1993-05-25 1997-07-15 Allergan Compositions and methods for disinfecting contact lenses and reducing proteinaceous deposit formation
IT1263394B (it) * 1993-07-30 1996-08-05 Fidia Advanced Biopolymers Srl Composizioni farmaceutiche per uso topico a base di acido ialuronico e suoi derivati
US5462740A (en) * 1993-09-17 1995-10-31 Athena Neurosciences, Inc. Rectally-administered, epileptic-seizure-inhibiting composition
WO1995007672A1 (en) * 1993-09-17 1995-03-23 Athena Neurosciences, Inc. Rectally-administered, epileptic-seizure-inhibiting composition
NL9302163A (nl) * 1993-12-10 1995-07-03 Univ Delft Tech Gecarboxymethyleerde oligo- en polysacchariden als kristallisatie inhibitors.
IT1268955B1 (it) * 1994-03-11 1997-03-18 Fidia Advanced Biopolymers Srl Esteri attivi di polisaccaridi carbossilici
US6024954A (en) * 1994-12-12 2000-02-15 Allergan Compositions and methods for disinfecting contact lenses and preserving contact lens care products
EP0808181B1 (en) * 1995-02-07 2002-06-19 Fidia Advanced Biopolymers S.R.L. Process for the coating of objects with hyaluronic acid, derivatives thereof, and semisynthetic polymers
US5645844A (en) * 1995-06-07 1997-07-08 Chitogenics, Inc. Negatively charged chitosan derivative semiochemical delivery system
FR2736552B1 (fr) * 1995-07-12 1997-10-03 Textile Hi Tec Sa Soc Procede pour prolonger la duree de bioresorption d'un materiau implantable dans l'organisme a base de chitine ou de chitosane et materiau obtenu
TW389694B (en) * 1995-08-17 2000-05-11 Novartis Ag Compositions including o-carboxyalkyl chitosan and methods of use in ophthalmics
US5840332A (en) * 1996-01-18 1998-11-24 Perio Products Ltd. Gastrointestinal drug delivery system
US5770711A (en) * 1996-09-30 1998-06-23 Kimberly-Clark Worldwide, Inc. Polysaccharides substituted with polycarboxylated moieties
FR2755856B1 (fr) * 1996-11-21 1999-01-29 Merck Clevenot Laboratoires Microcapsules de chitine ou de derives de chitine contenant une substance hydrophobe, notamment un filtre solaire et procede de preparation de telles microcapsules
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IL90273A0 (en) 1989-12-15
JP2958373B2 (ja) 1999-10-06
EP0615979A3 (en) 1994-12-28
EP0615979A2 (en) 1994-09-21
ES2063779T3 (es) 1995-01-16
ATE114322T1 (de) 1994-12-15
DE68919435T2 (de) 1995-07-06
AU629551B2 (en) 1992-10-08
FI900187A7 (fi) 1990-01-12
US5122598A (en) 1992-06-16
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FI900187A0 (fi) 1990-01-12
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CA1336087C (en) 1995-06-27
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HUT53127A (en) 1990-09-28
HU893005D0 (en) 1990-07-28
EP0342557B1 (en) 1994-11-23
US5466461A (en) 1995-11-14
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DK10890D0 (da) 1990-01-12
IL90273A (en) 1995-11-27
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KR940011646B1 (ko) 1994-12-22

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