BE725122A - - Google Patents
Info
- Publication number
- BE725122A BE725122A BE725122DA BE725122A BE 725122 A BE725122 A BE 725122A BE 725122D A BE725122D A BE 725122DA BE 725122 A BE725122 A BE 725122A
- Authority
- BE
- Belgium
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
- C08G73/0666—Polycondensates containing five-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0672—Polycondensates containing five-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1968G0052088 DE1720884B2 (de) | 1968-01-08 | 1968-01-08 | Verfahren zur herstellung stickstoffhaltiger polykondensate |
Publications (1)
Publication Number | Publication Date |
---|---|
BE725122A true BE725122A (nl) | 1969-05-16 |
Family
ID=7130065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE725122D BE725122A (nl) | 1968-01-08 | 1968-12-09 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3577387A (nl) |
AT (1) | AT284459B (nl) |
BE (1) | BE725122A (nl) |
DE (1) | DE1720884B2 (nl) |
FR (1) | FR2000055A1 (nl) |
GB (1) | GB1238675A (nl) |
LU (1) | LU57580A1 (nl) |
NL (1) | NL6900181A (nl) |
SE (1) | SE336904B (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1199699A (en) * | 1968-01-08 | 1970-07-22 | Glanzstoff Ag | Process for the Production of Condensed Aromatic Bis-(2,4-Dihydroxypyridine) Derivatives |
US3961009A (en) * | 1970-04-22 | 1976-06-01 | Toray Industries, Inc. | Process for the production of a shaped article of a heat resistant polymer |
US3985934A (en) * | 1974-07-26 | 1976-10-12 | The Upjohn Company | Polyimide fiber having a serrated surface and a process of producing same |
US4299787A (en) * | 1978-10-19 | 1981-11-10 | International Harvester Company | Melt spinning polyimide fibers |
-
1968
- 1968-01-08 DE DE1968G0052088 patent/DE1720884B2/de active Granted
- 1968-11-26 GB GB1238675D patent/GB1238675A/en not_active Expired
- 1968-12-04 AT AT11812/68A patent/AT284459B/de not_active IP Right Cessation
- 1968-12-09 BE BE725122D patent/BE725122A/xx unknown
- 1968-12-12 SE SE17042/68A patent/SE336904B/xx unknown
- 1968-12-17 LU LU57580D patent/LU57580A1/xx unknown
-
1969
- 1969-01-03 US US788931A patent/US3577387A/en not_active Expired - Lifetime
- 1969-01-06 NL NL6900181A patent/NL6900181A/xx unknown
- 1969-01-07 FR FR6900095A patent/FR2000055A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2000055A1 (nl) | 1969-08-29 |
SE336904B (nl) | 1971-07-19 |
NL6900181A (nl) | 1969-07-10 |
DE1720884A1 (de) | 1971-08-05 |
DE1720884B2 (de) | 1976-06-16 |
US3577387A (en) | 1971-05-04 |
AT284459B (de) | 1970-09-10 |
GB1238675A (nl) | 1971-07-07 |
LU57580A1 (nl) | 1969-04-08 |