| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_af7c9c966acd2ef7eca105d82d8d0991 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D315-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D315-00 |
| filingDate |
1990-08-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1992-02-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cf432392e94de963821130c9be09b7ac
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8709a29bd9c9fca69d4890225c5d01df |
| publicationDate |
1992-02-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5086030-A |
| titleOfInvention |
Gamma-butyrolactone production catalyst |
| abstract |
A catalytic hydrogenation process for converting maleic anhydride and/or succinic anhydride to gamma-butyrolactone, a novel selective catalyst for use in such process and a method of preparing the catalyst are provided. The process comprises contacting maleic anhydride and/or succinic anhydride with hydrogen in the presence of catalysts whereby the anhydride is converted to predominantly gamma-butyrolactone. The catalyst of the invention is comprised of transition metals, their oxides and mixtures thereof on a silica gel support having a high surface area and pore volume. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-1053442-C
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009232728-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2012121500-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101891718-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5409877-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8119558-B2 |
| priorityDate |
1989-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |