IN171375B - - Google Patents
Info
- Publication number
- IN171375B IN171375B IN862/CAL/89A IN862CA1989A IN171375B IN 171375 B IN171375 B IN 171375B IN 862CA1989 A IN862CA1989 A IN 862CA1989A IN 171375 B IN171375 B IN 171375B
- Authority
- IN
- India
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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
- C08G69/20—Anionic polymerisation characterised by the catalysts used
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/262,936 US4966949A (en) | 1988-10-20 | 1988-10-20 | Process for increasing the molecular weight of a polyamide with p containing catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN171375B true IN171375B (de) | 1992-09-26 |
Family
ID=22999705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN862/CAL/89A IN171375B (de) | 1988-10-20 | 1989-10-18 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4966949A (de) |
| EP (1) | EP0439470B1 (de) |
| JP (1) | JP2888573B2 (de) |
| AR (1) | AR243912A1 (de) |
| CA (1) | CA2001090A1 (de) |
| DE (1) | DE68919228T2 (de) |
| IN (1) | IN171375B (de) |
| LV (1) | LV10469B (de) |
| RU (1) | RU2066331C1 (de) |
| TR (1) | TR24062A (de) |
| WO (1) | WO1990004614A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5116919A (en) * | 1990-12-05 | 1992-05-26 | E. I. Du Pont De Nemours And Company | Process for increasing the relative viscosity of polyamides with reduced thermal degradation |
| US5142000A (en) * | 1991-08-28 | 1992-08-25 | E. I. Du Pont De Nemours And Company | Process for increasing polyamide molecular weight with organophosphonic acid or ester catalysts in the presence of alumina-containing titanium dioxide |
| US5543495A (en) * | 1994-03-08 | 1996-08-06 | E. I. Du Pont De Nemours And Company | Process for increasing the molecular weight of polyamides and other condensation polymers |
| US5698658A (en) * | 1996-05-31 | 1997-12-16 | E. I. Du Pont De Nemours And Company | Linear very high molecular weight polyamides and process for producing them |
| US6169162B1 (en) | 1999-05-24 | 2001-01-02 | Solutia Inc. | Continuous polyamidation process |
| WO2001053382A1 (en) | 2000-01-20 | 2001-07-26 | E.I. Du Pont De Nemours And Company | Polyamide chain extension process and related polyamide product |
| WO2001053383A1 (en) * | 2000-01-20 | 2001-07-26 | E.I. Du Pont De Nemours And Company | Polyamide chain extension process and functionalized polyamides produced thereby |
| US20190322805A1 (en) * | 2018-04-18 | 2019-10-24 | Invista North America S.A R.L. | Flame-retardant polyamide composition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365428A (en) * | 1965-03-25 | 1968-01-23 | Celanese Corp | Polymerization of polyamide-precursor salt in the presence of a phosphinic acid |
| GB1084324A (de) * | 1965-06-23 | |||
| US4912175A (en) * | 1988-08-01 | 1990-03-27 | E. I. Du Pont De Nemours And Company | Process for in creasing polyamide molecular weight with P containing catalyst |
-
1988
- 1988-10-20 US US07/262,936 patent/US4966949A/en not_active Expired - Lifetime
-
1989
- 1989-08-17 RU SU894895302A patent/RU2066331C1/ru active
- 1989-08-17 DE DE68919228T patent/DE68919228T2/de not_active Expired - Lifetime
- 1989-08-17 WO PCT/US1989/003464 patent/WO1990004614A1/en active IP Right Grant
- 1989-08-17 EP EP89909640A patent/EP0439470B1/de not_active Expired - Lifetime
- 1989-08-17 JP JP1509052A patent/JP2888573B2/ja not_active Expired - Lifetime
- 1989-10-18 IN IN862/CAL/89A patent/IN171375B/en unknown
- 1989-10-20 CA CA002001090A patent/CA2001090A1/en not_active Abandoned
- 1989-10-20 AR AR89315237A patent/AR243912A1/es active
- 1989-10-20 TR TR89/0808A patent/TR24062A/xx unknown
-
1993
- 1993-05-14 LV LVP-93-349A patent/LV10469B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR243912A1 (es) | 1993-09-30 |
| JP2888573B2 (ja) | 1999-05-10 |
| JPH04501126A (ja) | 1992-02-27 |
| WO1990004614A1 (en) | 1990-05-03 |
| LV10469A (lv) | 1995-02-20 |
| US4966949A (en) | 1990-10-30 |
| LV10469B (en) | 1996-02-20 |
| DE68919228T2 (de) | 1995-03-23 |
| DE68919228D1 (de) | 1994-12-08 |
| EP0439470B1 (de) | 1994-11-02 |
| CA2001090A1 (en) | 1990-04-20 |
| RU2066331C1 (ru) | 1996-09-10 |
| EP0439470A1 (de) | 1991-08-07 |
| TR24062A (tr) | 1991-02-22 |