FR2257624B1 - - Google Patents
Info
- Publication number
- FR2257624B1 FR2257624B1 FR7500515A FR7500515A FR2257624B1 FR 2257624 B1 FR2257624 B1 FR 2257624B1 FR 7500515 A FR7500515 A FR 7500515A FR 7500515 A FR7500515 A FR 7500515A FR 2257624 B1 FR2257624 B1 FR 2257624B1
- Authority
- FR
- France
- 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.)
- Expired
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
- C08G69/26—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 |
|---|---|---|---|
| US05/432,172 US3937686A (en) | 1974-01-10 | 1974-01-10 | Process of preparing high molecular weight polyamide with recovery of diamine and return of same to polymerization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2257624A1 FR2257624A1 (US08124630-20120228-C00102.png) | 1975-08-08 |
| FR2257624B1 true FR2257624B1 (US08124630-20120228-C00102.png) | 1979-09-28 |
Family
ID=23715050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7500515A Expired FR2257624B1 (US08124630-20120228-C00102.png) | 1974-01-10 | 1975-01-09 |
Country Status (6)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067854A (en) * | 1975-08-29 | 1978-01-10 | Rohm And Haas Company | Adsorption process |
| US4380615A (en) * | 1981-03-05 | 1983-04-19 | E. I. Du Pont De Nemours And Company | Diamine recovery process |
| AT393114B (de) * | 1989-06-08 | 1991-08-26 | Chemiefaser Lenzing Ag | Verfahren zur abtrennung von aminen |
| BR0214285A (pt) * | 2001-11-23 | 2004-09-21 | Apc Ltd | Dispositivo de fio dental |
| US7758757B2 (en) * | 2007-10-19 | 2010-07-20 | E. I. Du Pont De Nemours And Company | Method for removing hydrazine compounds |
| CN104129879A (zh) * | 2013-05-01 | 2014-11-05 | 因温斯特技术公司 | 用于从聚酰胺合成工艺回收水的方法和系统 |
| CN115772262B (zh) * | 2021-09-06 | 2024-01-19 | 成都肆零壹科技有限公司 | 一种制备脂肪族二元酸尼龙的连续化工艺 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL213266A (US08124630-20120228-C00102.png) * | 1955-12-22 | |||
| US3402152A (en) * | 1964-05-15 | 1968-09-17 | Monsanto Co | Process for preparing a polyamide |
| NL129245C (US08124630-20120228-C00102.png) * | 1964-06-01 |
-
1974
- 1974-01-10 US US05/432,172 patent/US3937686A/en not_active Expired - Lifetime
-
1975
- 1975-01-03 NL NL7500079A patent/NL7500079A/xx not_active Application Discontinuation
- 1975-01-08 JP JP50004518A patent/JPS50101496A/ja active Pending
- 1975-01-09 FR FR7500515A patent/FR2257624B1/fr not_active Expired
- 1975-01-09 GB GB96375A patent/GB1443137A/en not_active Expired
- 1975-01-10 DE DE19752500879 patent/DE2500879A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2500879A1 (de) | 1975-07-24 |
| US3937686A (en) | 1976-02-10 |
| NL7500079A (nl) | 1975-07-14 |
| GB1443137A (en) | 1976-07-21 |
| FR2257624A1 (US08124630-20120228-C00102.png) | 1975-08-08 |
| JPS50101496A (US08124630-20120228-C00102.png) | 1975-08-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |