CA2193199A1 - Polyaspartates reticules solubles - Google Patents

Polyaspartates reticules solubles

Info

Publication number
CA2193199A1
CA2193199A1 CA002193199A CA2193199A CA2193199A1 CA 2193199 A1 CA2193199 A1 CA 2193199A1 CA 002193199 A CA002193199 A CA 002193199A CA 2193199 A CA2193199 A CA 2193199A CA 2193199 A1 CA2193199 A1 CA 2193199A1
Authority
CA
Canada
Prior art keywords
crosslinked
polysuccinimide
soluble
polyaspartates
disclosed
Prior art date
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.)
Granted
Application number
CA002193199A
Other languages
English (en)
Other versions
CA2193199C (fr
Inventor
Robert J. Ross
Kim C. Low
Larry P. Koskan
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.)
Donlar Corp
Original Assignee
Individual
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
Priority claimed from US08/263,459 external-priority patent/US5552516A/en
Application filed by Individual filed Critical Individual
Publication of CA2193199A1 publication Critical patent/CA2193199A1/fr
Application granted granted Critical
Publication of CA2193199C publication Critical patent/CA2193199C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1092—Polysuccinimides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3719—Polyamides or polyimides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (AREA)
CA002193199A 1994-06-22 1995-06-22 Polyaspartates reticules solubles Expired - Fee Related CA2193199C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/263,459 US5552516A (en) 1994-06-22 1994-06-22 Soluble, crosslinked polyaspartates
US263,459 1994-06-22
PCT/US1995/008003 WO1995035337A1 (fr) 1994-06-22 1995-06-22 Polyaspartates reticules solubles

Publications (2)

Publication Number Publication Date
CA2193199A1 true CA2193199A1 (fr) 1995-12-28
CA2193199C CA2193199C (fr) 2007-04-03

Family

ID=37951703

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002193199A Expired - Fee Related CA2193199C (fr) 1994-06-22 1995-06-22 Polyaspartates reticules solubles

Country Status (1)

Country Link
CA (1) CA2193199C (fr)

Also Published As

Publication number Publication date
CA2193199C (fr) 2007-04-03

Similar Documents

Publication Publication Date Title
MX9606636A (es) Poliaspartatos reticulados solubles.
CA2281685A1 (fr) Procede de production de polymere d'anhydre malique comprenant un acide maleamique et/ou ses unites de repetition d'imide cyclique
PL300686A1 (en) Method of obtaining a polysuccinoimide by thermal polymerization of amidomaleic acid and detergent composition containing same
AUPO830697A0 (en) Aqueous polyimide process
TW200504122A (en) Process for producing solvent-soluble polyimide
DE69718942D1 (de) Verfahren zur herstellung von erythromicin a-oxim
AU4933490A (en) A novel chemical and physical cellulose derivative hydrolysate and fractions thereof
CA2167614A1 (fr) Methode pour preparer des polysaccharides polymeriques termines par un groupe hydrophobe; compositions detergentes renfermant ce type de polymere
MY109366A (en) Polysuccinimide polymers and process for preparing polysuccinimide polymers
KR840000592A (ko) 이소이미드를 함유하는 소중합체류의 제조방법
CA2325919A1 (fr) Procede de preparation de derives de threo-1,2-epoxy-3-amino-4-phenylbutane
EP0757060A3 (fr) Procédé de préparation de polymères d'alcool vinylique
EP0887364A3 (fr) Solution de précurseur de polyimide, film obtenu à partir de cette solutions, et procédé de préparation d'un film de revêtement
CA2149764A1 (fr) Methode de preparation de tyrosinase extracellulaire stable et synthese de polymeres polyphenoliques a l'aide de cette enzyme
CA2193199A1 (fr) Polyaspartates reticules solubles
EP0825202A3 (fr) Procédé de préparation de compositions polymères à fonctions acides et amines
KR950704401A (ko) 2-메틸펜타메틸렌디아민 단위를 함유하는 부분적 방향족 폴리아미드의 제조 방법(process for making partially ar0matic polyamides containing 2-methylpentamethylenediamine units)
JP3384420B2 (ja) ポリアスパラギン酸塩の製造方法
CA2199466A1 (fr) Reseaux polymeres surperabsorbants
MX9701888A (es) Redes polimericas superabsorbentes.
EP0796885A3 (fr) Produits moultés ayant une perméabilité au gaz sélective films à partir de ceux-là, et leurs procédés de fabrication
Tsunoda et al. An efficient method for hydrolysis of N-monosubstituted amides via acetoxypivalimides
DE69601354D1 (de) Herstellung von anhydropolyamidsäuren
JPS5698245A (en) Curable resin composition
BR9003415A (pt) Processo para produzir poliimidas e mono e diimida

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150622