http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-682999-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6108c9a7f7a472c2db8923daca0ec8d6 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-08 |
| filingDate | 1949-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b9fbd2219e091779f3028dc456dffc16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d01c6b519f5dad60588f9267f503582e |
| publicationDate | 1952-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-682999-A |
| titleOfInvention | Improvements in the production of polyaminotriazoles |
| abstract | Viscosity stabilized poly-4-amino-1,2,4-triazoles, suitable for the production of filaments and films, are made by heating together reagents which on hydrolysis yield a mixture of dicarboxylic and sufficient hydrazine to yield a polymer resistant to hydrolysis by hydrochloric acid, and adding before or during the condensation less than 10 molar per cent based on the dicarboxylic acid of an amide of a monocarboxylic acid, e.g. acetic, propionic, butyric, valeric, stearic, lactic or benzoic amides. Specified dicarboxylic acid reactants are pimelic, suberic, azelaic, sebacic, phenylene-1.4-diacetic, sulphone - g .g 1 - dibutyric, sulphone - d .d 1-divaleric and sulphone-3.31-di-oenanthic acid. In examples: (1) a mixture of sebacic acid, aqueous hydrazine and acetamide is heated; (2) a mixture of sebacic dihydrazide aqueous hydrazine and acetamide is heated; (3) and (4) polyaminotriazoles of intrinsic viscosity 0.35-0.40 and prepared by heating a mixture of sebacic acid and aqueous hydrazine are further heated with a mixture of acetamide and aqueous hydrazine. Specifications 612,609, 613,020 and 626,525 are referred to. |
| priorityDate | 1949-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.