http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-8303484-A2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d0d4e7675b625ec4650326b4469f42bb |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D- http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J9-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J5-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J- |
| filingDate | 1981-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1983-02-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-8303484-A2 |
| titleOfInvention | A PROCEDURE FOR PREPARING POLYAMIDE MEMBRANES |
| abstract | IMPROVEMENTS INTRODUCED TO THE OBJECT OF MAIN PATENT N 480,577 FILED ON MAY 14, 1979 BY: _ (A PROCEDURE TO PREPARE POLYAMIDE MEMBRANES. CONSISTS OF USING A POLYAMIDE RESIN WITH A PROPORTION OF GROUPS METHYLENE CH TO GROUPS AMIDA CH : NHCO) IN AN INTERVAL OF 5: 1 TO 7: 1. THE SOLVENT USED IN THE DISSOLUTION OF THE POLYAMIDE RESIN IS FORMIC ACID AND THE NON-SOLVENT IS WATER; THE POLYAMIDE RESIN DISSOLVING FILM IS CONTACTED WITH THE NON-SOLVENT SUBMERGING THE FILM ON THE SPRING OF THE SUBSTRATE IN A NON-SOLVENT BATH THAT INCLUDES WATER WITH FORMIC ACID, THE BATH INCLUDES FROM 20 TO 55% RESIN SOLVENT, THE SUBSTRATE USED IS A FIBROUS POLYESTER SHEET. |
| priorityDate | 1980-10-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 17.