Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PM

Philippe Mackiewicz — 9 Patents

RURoussel Uclaf: 8 patents #52 of 430Top 15%
HRHoechst Marion Roussel: 1 patents #151 of 309Top 50%
Livry-Gargan, FR: #8 of 54 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Philippe Mackiewicz has been granted 9 US patents while listed as an inventor at Roussel Uclaf. The first was granted in 1994 and the most recent in August 2000. Philippe Mackiewicz ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Philippe Mackiewicz in Livry-Gargan, FR.

Patents per Year

Patents granted per year, 1994 to 2000Bar chart with a peak of 5 patents in 1995.peak 51994: 2 patents19941995: 5 patents19951996: 1 patents19962000: 1 patents2000

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6107488 Phenylimidazolidine preparation process Raphael Bouchet, Michel Delthil, Daniel Guilmard 2000-08-22
5556965 Intermediates for the preparation of 6.alpha., 9.alpha.-difluoro steroids Jean-Yves Godard, Denis Prat, Christian Richard 1996-09-17
5478957 Preparation of 6.alpha., 9.alpha.-difluoro steroids Jean-Yves Godard, Denis Prat, Christian Richard 1995-12-26
5473087 Preparation process for 20-keto 21(S) hydroxy steroids compounds and intermediates Jean Buendia, Jean-Yves Godard, Christian Richard 1995-12-05
5451690 Lambda-1,4-pregnadiene-3,20-diones Luc Devocelle 1995-09-19
5434258 .delta..sup.1,4 -pregnadiene-3,20-diones Luc Devocelle 1995-07-18
5384419 Preparation process for 20-keto-21(S) hydroxy steroid compounds and intermediates Jean Buendia, Jean-Yves Godard, Christian Richard 1995-01-24
5310896 Process for preparing .DELTA..sup.1,4 -pregnadiene-3,20-diones Luc Devocelle 1994-05-10
5278180 4,5-bis(aryl) 4H-1,2,4-triazoles derivatives and analgesic use Francois Clemence, Claudine Maushart, Francoise Delevallee 1994-01-11