IL116593A0 - Hydrolysis of polysuccinimide to produce low-color poly-aspartic acid and salts thereof - Google Patents

Hydrolysis of polysuccinimide to produce low-color poly-aspartic acid and salts thereof

Info

Publication number
IL116593A0
IL116593A0 IL11659395A IL11659395A IL116593A0 IL 116593 A0 IL116593 A0 IL 116593A0 IL 11659395 A IL11659395 A IL 11659395A IL 11659395 A IL11659395 A IL 11659395A IL 116593 A0 IL116593 A0 IL 116593A0
Authority
IL
Israel
Prior art keywords
polysuccinimide
hydrolysis
salts
aspartic acid
produce low
Prior art date
Application number
IL11659395A
Other languages
English (en)
Original Assignee
Donlar Corp
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 Donlar Corp filed Critical Donlar Corp
Publication of IL116593A0 publication Critical patent/IL116593A0/xx

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (AREA)
IL11659395A 1995-01-03 1995-12-28 Hydrolysis of polysuccinimide to produce low-color poly-aspartic acid and salts thereof IL116593A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/367,734 US5521257A (en) 1995-01-03 1995-01-03 Hydrolysis of polysuccinimide to produce low-color polyaspartic acid and salts thereof

Publications (1)

Publication Number Publication Date
IL116593A0 true IL116593A0 (en) 1996-03-31

Family

ID=23448391

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11659395A IL116593A0 (en) 1995-01-03 1995-12-28 Hydrolysis of polysuccinimide to produce low-color poly-aspartic acid and salts thereof

Country Status (5)

Country Link
US (1) US5521257A (fr)
EP (1) EP0801645A4 (fr)
JP (1) JPH10512005A (fr)
IL (1) IL116593A0 (fr)
WO (1) WO1996020924A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3473722B2 (ja) 1995-06-22 2003-12-08 株式会社日本触媒 水溶性ポリアミド並びにポリアスパラギン酸誘導体の脱色方法
US5859149A (en) * 1997-02-07 1999-01-12 Solutia Inc. Production of solid polyaspartate salt
US7082995B2 (en) * 2004-03-05 2006-08-01 Halliburton Energy Services, Inc. Methods and compositions for reducing the viscosity of treatment fluids
KR100764933B1 (ko) * 2006-09-25 2007-10-09 애경유화 주식회사 무수말레인산을 이용한 폴리아스파르틱산의 제조방법
US8697610B2 (en) 2007-05-11 2014-04-15 Schlumberger Technology Corporation Well treatment with complexed metal crosslinkers
US8853135B2 (en) * 2008-05-07 2014-10-07 Schlumberger Technology Corporation Method for treating wellbore in a subterranean formation with high density brines and complexed metal crosslinkers
JP2013087148A (ja) * 2011-10-14 2013-05-13 Toray Ind Inc ポリイミドのアルカリ加水分解方法およびポリイミド金属積層体からの低分子量体および金属の回収方法
AU2014208948B9 (en) * 2013-01-23 2017-12-07 Colormatrix Holdings, Inc. Polymeric materials
EP3138401B1 (fr) * 2015-09-04 2019-01-02 WCP Weidner Chemie-Produktions-GmbH Composition de desinfection
CN107903395B (zh) * 2017-11-27 2020-06-05 山东远联化工股份有限公司 一种催化水解制备聚天冬氨酸的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363797A (en) * 1977-09-14 1982-12-14 Societe Anonyme Dite: L'oreal Polyaspartic acid derivatives, their preparation and their use in cosmetic composition
US5057597A (en) * 1990-07-03 1991-10-15 Koskan Larry P Process for the manufacture of anhydro polyamino acids and polyamino acids
US5315010A (en) * 1991-02-22 1994-05-24 Donlar Corporation Polyaspartic acid manufacture
US5152902A (en) * 1991-03-19 1992-10-06 Donlar Corporation Polyaspartic acid as a calcium carbonate and a calcium phosphate inhibitor
US5373086A (en) * 1991-03-19 1994-12-13 Donlar Corporation Polyaspartic acid having more than 50% β form and less that 50% α form
US5288783A (en) * 1992-05-14 1994-02-22 Srchem Incorporated Preparation of salt of polyaspartic acid by high temperature reaction
US5292864A (en) * 1992-08-07 1994-03-08 Srchem Incorporated Decolorizing polyaspartic acid polymers
US5373088A (en) * 1992-09-18 1994-12-13 Donlar Corporation Production of polyaspartic acid from maleic acid and ammonia
US5408029A (en) * 1993-10-06 1995-04-18 Srchem, Inc. Amino acid copolymers of maleic acid

Also Published As

Publication number Publication date
EP0801645A4 (fr) 1998-04-08
WO1996020924A1 (fr) 1996-07-11
MX9704999A (es) 1997-10-31
EP0801645A1 (fr) 1997-10-22
JPH10512005A (ja) 1998-11-17
US5521257A (en) 1996-05-28

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