BR7208670D0 - Processo para a preparacao de poliamidas aromaticas com alto peso molecular - Google Patents
Processo para a preparacao de poliamidas aromaticas com alto peso molecularInfo
- Publication number
- BR7208670D0 BR7208670D0 BR8670/72A BR867072A BR7208670D0 BR 7208670 D0 BR7208670 D0 BR 7208670D0 BR 8670/72 A BR8670/72 A BR 8670/72A BR 867072 A BR867072 A BR 867072A BR 7208670 D0 BR7208670 D0 BR 7208670D0
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- molecular weight
- high molecular
- aromatic polyamides
- polyamides
- Prior art date
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
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/12—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids with both amino and carboxylic groups aromatically bound
-
- 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
- C08G69/32—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20649171A | 1971-12-09 | 1971-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7208670D0 true BR7208670D0 (pt) | 1973-09-25 |
Family
ID=22766636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8670/72A BR7208670D0 (pt) | 1971-12-09 | 1972-12-08 | Processo para a preparacao de poliamidas aromaticas com alto peso molecular |
Country Status (11)
Country | Link |
---|---|
US (1) | US3753957A (pt) |
JP (1) | JPS4866191A (pt) |
BE (1) | BE792489A (pt) |
BR (1) | BR7208670D0 (pt) |
CA (1) | CA983644A (pt) |
DE (1) | DE2258567A1 (pt) |
FR (1) | FR2162633B1 (pt) |
GB (1) | GB1417413A (pt) |
IT (1) | IT987587B (pt) |
NL (1) | NL7216683A (pt) |
ZA (1) | ZA728394B (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3943110A (en) * | 1974-05-28 | 1976-03-09 | E. I. Du Pont De Nemours And Company | Fiber and film-forming nuclearly-halogenated poly(1,4-benzamides) |
US4118374A (en) * | 1974-09-09 | 1978-10-03 | Sumitomo Chemical Company, Limited | Production of aromatic polyamides from dicarboxylic acid and diamine |
US4313870B1 (en) * | 1977-09-21 | 1996-06-18 | Sumitomo Chemical Co | Process for producing polycondensates |
US4461886A (en) * | 1981-03-02 | 1984-07-24 | Polaroid Corporation | Substituted birefringent polyamide |
US4856179A (en) * | 1983-04-21 | 1989-08-15 | Hoechst Celanese Corp. | Method of making an electrical device made of partially pyrolyzed polymer |
GB201507645D0 (en) | 2015-05-05 | 2015-06-17 | Everett David | Load control of a transferable value or rights token |
-
0
- BE BE792489D patent/BE792489A/xx unknown
-
1971
- 1971-12-09 US US00206491A patent/US3753957A/en not_active Expired - Lifetime
-
1972
- 1972-11-27 ZA ZA728394A patent/ZA728394B/xx unknown
- 1972-11-27 CA CA157,598A patent/CA983644A/en not_active Expired
- 1972-11-30 DE DE19722258567 patent/DE2258567A1/de active Pending
- 1972-11-30 GB GB5523572A patent/GB1417413A/en not_active Expired
- 1972-12-05 JP JP47121252A patent/JPS4866191A/ja active Pending
- 1972-12-07 IT IT32664/72A patent/IT987587B/it active
- 1972-12-08 BR BR8670/72A patent/BR7208670D0/pt unknown
- 1972-12-08 NL NL7216683A patent/NL7216683A/xx unknown
- 1972-12-08 FR FR7243859A patent/FR2162633B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2162633A1 (pt) | 1973-07-20 |
US3753957A (en) | 1973-08-21 |
CA983644A (en) | 1976-02-10 |
NL7216683A (pt) | 1973-06-13 |
GB1417413A (en) | 1975-12-10 |
JPS4866191A (pt) | 1973-09-11 |
AU4949772A (en) | 1974-05-30 |
BE792489A (fr) | 1973-06-08 |
DE2258567A1 (de) | 1973-06-14 |
ZA728394B (en) | 1974-07-31 |
IT987587B (it) | 1975-03-20 |
FR2162633B1 (pt) | 1976-08-20 |
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