EP0263132A4 - Catechin coated ascorbic acid and method. - Google Patents

Catechin coated ascorbic acid and method.

Info

Publication number: EP0263132A4
Authority: EP; European Patent Office
Prior art keywords: ascorbic acid; catechin; coated ascorbic; catechin coated; acid
Prior art date: 1986-04-07
Legal status (The legal status 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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19870901949

Other languages

German (de)

French (fr)

Other versions

EP0263132A1 (en

Inventor

Charles A B Clemetson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CLEMETSON CHARLES AB

Original Assignee

CLEMETSON CHARLES AB

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.)

1986-04-07

Filing date

1987-02-24

Publication date

1988-11-16

1987-02-24 Application filed by CLEMETSON CHARLES AB filed Critical CLEMETSON CHARLES AB

1988-04-13 Publication of EP0263132A1 publication Critical patent/EP0263132A1/en

1988-11-16 Publication of EP0263132A4 publication Critical patent/EP0263132A4/en

Status Withdrawn legal-status Critical Current

Links

CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title 2
PFTAWBLQPZVEMU-DZGCQCFKSA-N (+)-catechin Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2O)=CC=C(O)C(O)=C1 PFTAWBLQPZVEMU-DZGCQCFKSA-N 0.000 title 1
229960005070 ascorbic acid Drugs 0.000 title 1
235000010323 ascorbic acid Nutrition 0.000 title 1
239000011668 ascorbic acid Substances 0.000 title 1
ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 title 1
235000005487 catechin Nutrition 0.000 title 1
229950001002 cianidanol Drugs 0.000 title 1

Classifications

- 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
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/365—Lactones
- A61K31/375—Ascorbic acid, i.e. vitamin C; Salts 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
- A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
- A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5073—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings

Landscapes

Health & Medical Sciences (AREA)
Bioinformatics & Cheminformatics (AREA)
Engineering & Computer Science (AREA)
Animal Behavior & Ethology (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Pharmacology & Pharmacy (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Medicinal Chemistry (AREA)
Chemical & Material Sciences (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Medicinal Preparation (AREA)

EP19870901949 1986-04-07 1987-02-24 Catechin coated ascorbic acid and method. Withdrawn EP0263132A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US84910486A	1986-04-07	1986-04-07
US849104		1986-04-07

Publications (2)

Publication Number	Publication Date
EP0263132A1 EP0263132A1 (en)	1988-04-13
EP0263132A4 true EP0263132A4 (en)	1988-11-16

Family

ID=25305075

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19870901949 Withdrawn EP0263132A4 (en)	1986-04-07	1987-02-24	Catechin coated ascorbic acid and method.

Country Status (3)

Country	Link
EP (1)	EP0263132A4 (en)
JP (1)	JPH01500113A (en)
WO (1)	WO1987006128A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5571441A (en) *	1994-11-01	1996-11-05	The Procter & Gamble Company	Nutrient supplement compositions providing physiologic feedback
DE19807774A1 (en) *	1998-02-24	1999-08-26	Beiersdorf Ag	Use of flavone, flavanone or flavonoid compound for protection of ascorbic acid or ascorbyl compound against oxidation, especially in cosmetic and dermatological preparations,
KR20010079021A (en) *	2001-06-05	2001-08-22	강성종	Products containing antioxidants and stabilizers.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR350651A (en) *	1905-01-10	1905-06-22	Antonin Alexandre Jaboin	Lens, dragee or single concentric jacketed container and its applications
CH408284A (en) *	1958-06-26	1966-02-28	Philips Nv	Process for stabilizing crystalline compounds against oxidation
FR2073251A1 (en) *	1969-12-03	1971-10-01	Therapeuti Bureau Et	Flavanol polyacid complexes - useful for stabilizing and purifying flavanol monomers for antiscorbutic use

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US462990A (en) *		1891-11-10		William oppenheimek
US207013A (en) *		1878-08-13		Improvement in coated compressed medicaments
US2348503A (en) *	1941-08-23	1944-05-09	Atlantic Coast Fisheries Co	Vitamin preparation and method of making same
US2410110A (en) *	1943-01-14	1946-10-29	Brewer & Company Inc	Method of making tablets
US2811483A (en) *	1954-12-09	1957-10-29	Pfizer & Co C	Pharmaceutical composition and process for preparing the same
US2853421A (en) *	1956-10-04	1958-09-23	Merck & Co Inc	Gelatin pan coating
US3247064A (en) *	1962-03-30	1966-04-19	Shionogi & Co	Multivitamin tablet stabilized with porous silica
BE629982A (en) *	1962-04-06
US3275519A (en) *	1965-10-01	1966-09-27	Jacob A Glassman	Peroral pellet and the method of making same
US3888990A (en) *	1970-03-13	1975-06-10	Zyma Sa	Medicaments containing epicatechin-2-sulfonic acids and salts thereof
FR2184460B1 (en) *	1972-05-17	1975-06-20	Fabre Sa Pierre
GB1575004A (en) *	1976-03-23	1980-09-17	Iverni Della Beffa Spa	Pharmacologically active polyphenolic substances
DE2706660A1 (en) *	1977-02-17	1978-08-24	Merck Patent Gmbh	GRANULATES CONTAINING ASCORBIC ACID AND THE PROCESS FOR THEIR MANUFACTURING
US4268517A (en) *	1979-08-30	1981-05-19	Continental Pharma	Pharmaceutical composition and therapeutical method for treating degenerative affections of the articular cartilage
US4285964A (en) *	1979-08-30	1981-08-25	Continental Pharma	Salts of (+)-catechine, their preparation and use, and compositions containing these salts
GB2115409B (en) *	1982-02-24	1985-08-07	Zyma Sa	Novel crystal modifications of (+)-catechin
US4495177A (en) *	1983-01-17	1985-01-22	Shaklee Corporation	Gel tableting agent
US4507314A (en) *	1983-07-20	1985-03-26	Midit, Societe Fiduciaire	Drug for treating affections provoked by a too high histamine level, of the gastroduodenal mucosa and allergic affections

1987
- 1987-02-24 JP JP62501572A patent/JPH01500113A/en active Pending
- 1987-02-24 EP EP19870901949 patent/EP0263132A4/en not_active Withdrawn
- 1987-02-24 WO PCT/US1987/000403 patent/WO1987006128A1/en not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR350651A (en) *	1905-01-10	1905-06-22	Antonin Alexandre Jaboin	Lens, dragee or single concentric jacketed container and its applications
CH408284A (en) *	1958-06-26	1966-02-28	Philips Nv	Process for stabilizing crystalline compounds against oxidation
FR2073251A1 (en) *	1969-12-03	1971-10-01	Therapeuti Bureau Et	Flavanol polyacid complexes - useful for stabilizing and purifying flavanol monomers for antiscorbutic use

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 71, 1969, page 251, abstract no. 33364r, Columbus, Ohio, US; M. OGAWA et al.: "d-Catechin as an oxidation inhibitor of vitamin C", & SHIKOKU IGAKU ZASSHI 1969, 25(1), 185-91 *
See also references of WO8706128A1 *

Also Published As

Publication number	Publication date
WO1987006128A1 (en)	1987-10-22
JPH01500113A (en)	1989-01-19
EP0263132A1 (en)	1988-04-13

Legal Events

Date	Code	Title	Description
1988-02-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-04-13	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
1988-06-22	17P	Request for examination filed	Effective date: 19880422
1989-01-04	A4	Supplementary search report drawn up and despatched	Effective date: 19881116
1990-08-16	17Q	First examination report despatched	Effective date: 19900629
1991-02-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1991-04-10	18D	Application deemed to be withdrawn	Effective date: 19900829

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