CA2199466A1 - Reseaux polymeres surperabsorbants - Google Patents

Reseaux polymeres surperabsorbants

Info

Publication number: CA2199466A1
Authority: CA; Canada
Prior art keywords: polysuccinimide; superabsorbing; polymeric networks; polyaspartates; polyaspartate
Prior art date: 1994-09-13
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

CA002199466A

Other languages

English (en)

Other versions

CA2199466C (fr

Inventor

Robert J. Ross

Kim C. Low

Larry P. Koskan

Alfred P. Wheeler

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.)

1994-09-13

Filing date

1995-09-13

Publication date

1996-03-21

1994-09-13 Priority claimed from US08/305,266 external-priority patent/US5612384A/en

1995-09-13 Application filed by Individual filed Critical Individual

1996-03-21 Publication of CA2199466A1 publication Critical patent/CA2199466A1/fr

2007-04-03 Application granted granted Critical

2007-04-03 Publication of CA2199466C publication Critical patent/CA2199466C/fr

2015-09-13 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 abstract 3
239000003431 cross linking reagent Substances 0.000 abstract 2
108010064470 polyaspartate Proteins 0.000 abstract 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
239000007795 chemical reaction product Substances 0.000 abstract 1
238000004132 cross linking Methods 0.000 abstract 1
230000003301 hydrolyzing effect Effects 0.000 abstract 1
150000007530 organic bases Chemical class 0.000 abstract 1
125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
239000011541 reaction mixture Substances 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- 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
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/04—Polyamides derived from alpha-amino carboxylic acids

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Dispersion Chemistry (AREA)
Hematology (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

CA002199466A 1994-09-13 1995-09-13 Reseaux polymeres surperabsorbants Expired - Fee Related CA2199466C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/305,266 US5612384A (en)	1994-09-13	1994-09-13	Superabsorbing polymeric networks
US305,266		1994-09-13
PCT/US1995/011588 WO1996008523A1 (fr)	1994-09-13	1995-09-13	Reseaux polymeres surperabsorbants

Publications (2)

Publication Number	Publication Date
CA2199466A1 true CA2199466A1 (fr)	1996-03-21
CA2199466C CA2199466C (fr)	2007-04-03

Family

ID=37951711

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002199466A Expired - Fee Related CA2199466C (fr)	1994-09-13	1995-09-13	Reseaux polymeres surperabsorbants

Country Status (1)

Country	Link
CA (1)	CA2199466C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111501327A (zh) *	2020-06-03	2020-08-07	嘉兴学院	pH敏感型纳米纤维水凝胶毡及其制备方法

1995
- 1995-09-13 CA CA002199466A patent/CA2199466C/fr not_active Expired - Fee Related

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111501327A (zh) *	2020-06-03	2020-08-07	嘉兴学院	pH敏感型纳米纤维水凝胶毡及其制备方法
CN111501327B (zh) *	2020-06-03	2022-09-23	嘉兴学院	pH敏感型纳米纤维水凝胶毡及其制备方法

Also Published As

Publication number	Publication date
CA2199466C (fr)	2007-04-03

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Legal Events

Date	Code	Title	Description
2002-09-10	EEER	Examination request
2014-10-27	MKLA	Lapsed	Effective date: 20140915