| Title of Invention | 17 ALFA , 21-DIHYDROXYPREGNENE ESTERS AS ANTIANDROGENIC AGENTS. |
|---|---|
| Abstract | THERE IS DISCLOSED COMPOUNDS OF FORMULA (I) WHEREIN: R1 AND R2, WHICH CAN BE THE SAME OR DIFFERENT, ARE HYDROGEN OR A C3-C18 ACYL GROUP; WITH THE PROVISON THAT : - AT LEAST ONE OF R1 AND R2 IS DIFFERENT FROM HYDROGEN; - WHEN R1 IS HYDROGEN , R2 IS DIFFERENT FROM C3-C10 ACYL; - BOTH R1 AND R2 CAN NOTBE PROPIONYL. AND COMPOUNDS OF FORMULA (II) WHEREIN WHEN R1 IS HYDROGEN, R2 CAN BE PROPIONATE OR BUTYRATE; WHEN R1 IS BUTYRATE, R2 IS BUTYRATE. THERE IS ALSO DISCLOSED A PROCESS FOR THE PREPARATION OF COMPOUNDS OF FORMULA (I) OR (II) IN WHICH R1 AND R2 ARE BOTH ACYL GROUPS, WHICH PROCESS COMPRISES REACTING THE CORRESPONDING COMPOUNDS, WHEREIN R1 AND R2 ARE HYDROGEN,WITH CARBOXYLIC ACIDS ANHYDRIDES OR ACTIVE ESTERS, IN INERT SOLVENTS AND AT TEMPERATURES RANGING FROM -5o C TO THE REACTION MIXTURE BOILING TEMPERATURE. |
| Full Text |
|---|
72-KOLNP-2004-(03-01-2012)-FORM-27.pdf
72-KOLNP-2004-CORRESPONDENCE.pdf
72-kolnp-2004-granted-abstract.pdf
72-kolnp-2004-granted-assignment.pdf
72-kolnp-2004-granted-claims.pdf
72-kolnp-2004-granted-correspondence.pdf
72-kolnp-2004-granted-description (complete).pdf
72-kolnp-2004-granted-examination report.pdf
72-kolnp-2004-granted-form 1.pdf
72-kolnp-2004-granted-form 18.pdf
72-kolnp-2004-granted-form 2.pdf
72-kolnp-2004-granted-form 3.pdf
72-kolnp-2004-granted-form 5.pdf
72-kolnp-2004-granted-letter patent.pdf
72-kolnp-2004-granted-reply to examination report.pdf
72-kolnp-2004-granted-specification.pdf
| Patent Number | 214645 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Indian Patent Application Number | 72/KOLNP/2004 | |||||||||
| PG Journal Number | 07/2008 | |||||||||
| Publication Date | 15-Feb-2008 | |||||||||
| Grant Date | 13-Feb-2008 | |||||||||
| Date of Filing | 21-Jan-2004 | |||||||||
| Name of Patentee | COSMO S.P.A. | |||||||||
| Applicant Address | VIA COLOMBO, 1, I-20020 LAINATE, ITALY | |||||||||
Inventors:
|
||||||||||
| PCT International Classification Number | C07J 5/00 | |||||||||
| PCT International Application Number | PCT/EP02/08226 | |||||||||
| PCT International Filing date | 2002-07-24 | |||||||||
PCT Conventions:
|
||||||||||