Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_da54f7ebbd2d9d8a82f92aca4d1b4e48 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S435-913 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S435-911 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S435-929 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S435-931 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12P33-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12P33-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J1-0096 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P33-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J1-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P33-06 |
filingDate |
1975-10-16^^<http://www.w3.org/2001/XMLSchema#date> |
publicationDate |
1976-04-18^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
IE-42168-L |
titleOfInvention |
1-alpha-hydroxy and alkanoyloxy-steroids |
abstract |
1 alpha -Oxysteroid of the formula <IMAGE> wherein R1 is methyl or ethyl, R2 and R3 each are hydrogen or alkanoyl of 1-8 carbon atoms, and R4 is hydrogen or hydrocarbon of 1-4 carbon atoms, ARE PROGESTESTIONALLY ACTIVE AND USEFUL IN ORAL CONTRACEPTIVE AND MENOPAUSAL COMPOSITIONS.n[US4029779A] |
priorityDate |
1974-10-18^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |