Inventor

Jean Buendia

Inventor

Le Perreux sur Marne, FR

Overview

1976–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 55 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Jprimary

C07JSteroids26%

C07DHeterocyclic compounds21%

C07CAcyclic or carbocyclic compounds17%

Y02PClimate change mitigation technologies in the production or processing of goods14%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%

C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes4%

C07BGeneral methods of organic chemistry3%

B29CShaping or joining of plastics2%

C07HSugars2%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture2%

PatentTitleYear

6,194,565'Process for preparing 16 .alpha.-methyl-steroids'2001 5,892,028'17, 20-epoxy steroids'1999 5,760,256'Process for the production of 21-acyloxy-4,9 (11),16-pregnatriene-3,20-diones'1998 5,756,722'Intermediates for the preparation of .DELTA..sup.4,9(11),17(20) -pregnatriene-3-ones'1998 5,731,447'Process for preparing 16.alpha.-methyl-steroids'1998 5,633,400'Process for the preparation of biphenyl derivatives'1997 5,618,975'Process for the preparation of biphenyl derivatives'1997 5,594,127'Intermediates for the preparation of .DELTA..sup.4,9(11),17(20) -pregnatriene-3-ones'1997 5,585,482'Preparation of 11-keto steroids'1996 5,556,962'Process for the preparation of hydrocortisone'1996 5,527,919'Process for the preparation of 1-[(1,1\'-biphenyl]-4-YL]-methyl-1H-imidazole-5-carboxylic acids'1996 5,504,203'Process for preparing 17,20-epoxy steroids'1996 5,502,182'Process for the preparation of hydrocortisone'1996 5,502,223'Process for preparation of .DELTA..sup.4,9(11),16 pregnatriene-3,20-diones'1996 5,493,046'Process'1996 5,473,087'Preparation process for 20-keto 21(S) hydroxy steroids compounds and intermediates'1995 5,401,840'Intermediate steroid compounds'1995 5,401,864'Process for preparing 21 acyloxy-.DELTA.4,9(11),16 pregnatrienes 3-20-dione'1995 5,399,727'Preparation of .DELTA..sup.9(11) steroid'1995 5,399,685'Process for the preparation of 20-keto-21 alpha-01-steroids'1995 5,391,732'Process for the preparation of biphenyl-imidazole derivatives'1995 5,384,419'Preparation process for 20-keto-21(S) hydroxy steroid compounds and intermediates'1995 5,352,808'Process for steroid preparation'1994 5,294,704'4,9(11),17(20)-pregnatriene-3-ones'1994 5,260,463'Process for the preparation of hydrocortisone'1993 5,187,273'.DELTA..sup.4,9(11),17(20) -pregnatriene-3-ones'1993 5,095,130'Novel 23-keto-steroids'1992 4,950,428'Novel steroids'1990 4,927,921'Novel 23-keto-steroids'1990 4,879,392'Process for making perhydroindole-2-carbonxylic acid'1989 4,847,014'Novel steroids'1989 4,812,512'Supports and their use'1989 4,780,504'Supports useful in solid phase synthesis of oligonucleotides'1988 4,601,854'Process for the production of prednisone 17.21-diacylates'1986 4,521,331'Method of imparting a pleasant odor'1985 4,501,687'Cyclopentanols'1985 4,447,637'Epimerization of trans chrysanthemates'1984 4,431,576'Perfumant cyclopropane-carboxylic acid derivatives'1984 4,406,829'Novel cyclopropane carboxylate esters'1983 4,308,209'.beta.-Lactones of 2-hydroxy-cyclopentane-carboxylic acids'1981 4,279,919'Novel lactones of cyclopentanols'1981 4,264,623'.beta.-Lactones of 2-hydroxy-cyclopentane-carboxylic acids'1981 4,221,809'.beta.-Lactones of 2-hydroxy-cyclopentanecarboxylic acid'1980 4,206,140'Novel cyclopropanecarboxylic acids and esters'1980 4,119,727'Novel 11-desoxy-prostaglandin F.sub.2 derivatives'1978 4,109,009'Analgesic, relaxant, and anti-inflammatory cyclopentanol derivatives'1978 4,101,574'Cyclopropanecarboxylic acid chlorides'1978 4,097,494'Novel cyclopentanones'1978 4,091,226'Novel cyclopentenecarboxylates'1978 RE029587'Cyclopentanone derivatives'1978 4,072,755'Novel cyclopentanoic acid derivatives'1978 4,061,729'Prostanoic acid derivatives and therapeutic compositions'1977 4,024,172'Preparation of prostanoic acid derivatives'1977 3,997,586'Cyclopropanecarboxylic acids and esters'1976 3,984,442'Process for the preparation of trans-epoxy cis-alkenes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to ROUSSEL UCLAF (51)· patent assignee history

1976–1980Based in Nogent sur Marne, FR· patent location history

1976–1980Based in Fontenay Sous Bois, FR· patent location history

1978–2001Based in Le Perreux sur Marne, FR· patent location history

1985Based in Le Perreux, FR· patent location history

1997Patents assigned to HOECHST AG (2)· patent assignee history

2001Patents assigned to HOECHST MARION ROUSSEL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROUSSEL UCLAF	51	1976–1999
HOECHST AG	2	1997
HOECHST MARION ROUSSEL INC	1	2001

Locations

Location	Patents	Span
Le Perreux sur Marne, FR	42	1978–2001
Nogent sur Marne, FR	8	1976–1980
Fontenay Sous Bois, FR	4	1976–1980
Le Perreux, FR	1	1985