NL7208302A - - Google Patents
Info
- Publication number
- NL7208302A NL7208302A NL7208302A NL7208302A NL7208302A NL 7208302 A NL7208302 A NL 7208302A NL 7208302 A NL7208302 A NL 7208302A NL 7208302 A NL7208302 A NL 7208302A NL 7208302 A NL7208302 A NL 7208302A
- Authority
- NL
- Netherlands
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
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7122154A FR2141592B2 (https=) | 1971-06-17 | 1971-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7208302A true NL7208302A (https=) | 1972-12-19 |
Family
ID=9078863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7208302A NL7208302A (https=) | 1971-06-17 | 1972-06-16 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE783906A (https=) |
| DE (1) | DE2228832A1 (https=) |
| FR (1) | FR2141592B2 (https=) |
| GB (1) | GB1357704A (https=) |
| IT (1) | IT998071B (https=) |
| NL (1) | NL7208302A (https=) |
-
1971
- 1971-06-17 FR FR7122154A patent/FR2141592B2/fr not_active Expired
-
1972
- 1972-05-25 BE BE783906A patent/BE783906A/xx unknown
- 1972-06-14 DE DE19722228832 patent/DE2228832A1/de active Pending
- 1972-06-16 GB GB2837372A patent/GB1357704A/en not_active Expired
- 1972-06-16 NL NL7208302A patent/NL7208302A/xx not_active Application Discontinuation
- 1972-06-17 IT IT2582672A patent/IT998071B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2228832A1 (de) | 1972-12-21 |
| BE783906A (fr) | 1972-11-27 |
| FR2141592B2 (https=) | 1974-03-22 |
| IT998071B (it) | 1976-01-20 |
| GB1357704A (en) | 1974-06-26 |
| FR2141592A2 (https=) | 1973-01-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |