| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_53feb99b7e315c5ef337161bc4996718 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-56 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-56 |
| filingDate |
1988-12-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1989-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_995b715dbc95f8c41e2293bb9d445d7a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c0b5530065cc47293903cb81653eac38 |
| publicationDate |
1989-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4874558-A |
| titleOfInvention |
Polymer catalyzed synthesis of acid anhydrides |
| abstract |
Solid-phase copolymers of 4-vinylpyridine or 4-vinylpyridine 1-oxide may be employed as catalysts in the formation of acid anhydrides. A water soluble polymer of 4-vinylpyridine 1-oxide may also be employed as a catalyst in the formation of acid anhydrides. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2005534682-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6927290-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6936734-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5292949-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114213372-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6562977-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114213372-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2018189077-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3636644-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-4726484-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7098363-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5387705-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5491244-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2002161260-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9532940-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0847994-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2008149321-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5360929-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8680298-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010179335-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6753431-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2008149321-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-1073080-C
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2004210059-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0612712-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-1049422-C |
| priorityDate |
1987-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |