NL6714977A - - Google Patents
Info
- Publication number
- NL6714977A NL6714977A NL6714977A NL6714977A NL6714977A NL 6714977 A NL6714977 A NL 6714977A NL 6714977 A NL6714977 A NL 6714977A NL 6714977 A NL6714977 A NL 6714977A NL 6714977 A NL6714977 A NL 6714977A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
- C08G73/1032—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous characterised by the solvent(s) used
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Polyamides (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1324467A GB1207485A (en) | 1966-11-04 | 1966-11-04 | Production of polyamic acids |
| GB4960866 | 1966-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6714977A true NL6714977A (OSRAM) | 1968-05-06 |
Family
ID=26249646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6714977A NL6714977A (OSRAM) | 1966-11-04 | 1967-11-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE706049A (OSRAM) |
| DE (1) | DE1745194A1 (OSRAM) |
| NL (1) | NL6714977A (OSRAM) |
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1967
- 1967-11-03 BE BE706049D patent/BE706049A/fr unknown
- 1967-11-03 DE DE19671745194 patent/DE1745194A1/de active Pending
- 1967-11-03 NL NL6714977A patent/NL6714977A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE706049A (OSRAM) | 1968-05-03 |
| DE1745194A1 (de) | 1971-11-11 |