http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1151202-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8641547f92635c58fd719e8324c562bc |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-12 |
| filingDate | 1980-06-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1983-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_80a837a5698bbb0a5666bda5b0e78785 |
| publicationDate | 1983-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1151202-A |
| titleOfInvention | Method of making mixed esters of phthalic acid |
| abstract | ABSTRACT OF THE DISCLOSURE: A method of making mixed esters of phthalic acid for use as plasticizers for vinyl plastics. The ester mix-ture is characterized by having a low volatility while at the same time having excellent solvency characteristics. In its preferred form, the mixed ester is made by first reacting a butyl alcohol with phthalic anhydride in a mole ratio of about 0.20 to about 1.0 mole of alcohol per mole of phthalic anhydride to provide a mixture containing the half-ester and unreacted phthalic anhydride. Next, an octyl alcohol is added in a stoichiometric amount based on unreacted acid groups along with 10 to 50 percent of the stoichiometric amount of octyl alcohol as excess. An esterification cata-lyst is added and the reaction mixture heated for a time and at a temperature sufficient to carry the esterification to substantial completion. |
| priorityDate | 1979-08-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.