Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philippe Denis — 30 Patents

RCRhone-Poulenc Chimie: 17 patents #9 of 660Top 2%
ACAcetex Chimie: 3 patents #4 of 12Top 35%
THThales: 3 patents #445 of 2,787Top 20%
RCRhodia Chimie: 1 patents #251 of 584Top 45%
BLBp Chemicals Limited: 1 patents #271 of 566Top 50%
SSSociete Chimique Des Charbonnages S.A.: 1 patents #45 of 111Top 45%
TEThomson Tubes Electroniques: 1 patents #34 of 98Top 35%
FRFramatome: 1 patents #208 of 622Top 35%
Choisy-le-Roi, FR: #1 of 69 inventorsTop 2%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Philippe Denis has been granted 30 US patents while listed as an inventor at Rhone-Poulenc Chimie. The first was granted in 1986 and the most recent in April 2020. Philippe Denis ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Philippe Denis in Choisy-le-Roi, FR.

Patents per Year

Patents granted per year, 1986 to 2020Bar chart with a peak of 5 patents in 1993.peak 51986: 1 patents19861989: 1 patents1991: 1 patents19911992: 2 patents1993: 5 patents19931994: 3 patents1995: 2 patents19951996: 1 patents1997: 2 patents19971998: 2 patents1999: 4 patents19992001: 1 patents2006: 1 patents20062012: 1 patents2017: 1 patents20172018: 1 patents2020: 1 patents2020

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10630302 Optically pumped atomic clock and associated manufacturing process Philippe Favard, Michel Baldy 2020-04-21
10084221 RF window including a prestressing ring that surrounds the periphery of a dielectric disc and applies a radial stress to the dielectric disc 2018-09-25
9666920 Device for transmitting energy across a separating wall, where the wall includes a conductive element with a hole therein which passes through the wall Jean-François Jarno, Jean-Claude Racamier 2017-05-30
8227642 Production of amines by hydrogenation of nitrile compounds Philippe Roccati, Didier Letourneur 2012-07-24
7049909 Ceramic microwave window having a prestressed ring surrounding the window Edmond Boghossian 2006-05-23
6245936 Process for the selective preparation of a 2-hydroxybenzoic acid and a 4-hydroxybenzaldehyde and derivatives thereof Pascal Metivier, Christian Maliverney 2001-06-12 $38,000
6008408 Process for the hydroxycarbonylation of pentenoic acids Francois Klinger, Jean-Claude Laurent, Robert Perron, Joel Schwartz, Francois Vachet 1999-12-28 $6,303,000
5973197 Process for the preparation of carboxylic acids by carbonylation in the presence of rhodium Robert Perron, Joel Schwartz 1999-10-26 $197,273,000
5950719 Fluid-circulation heat exchanger, in particular for an electron tube Alexis Dubrovin, Jean-Jacques Pelletier, Jean-Claude Lixon 1999-09-14
5883289 Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium Dominique Nobel, Robert Perron, Joel Schwartz 1999-03-16
5773642 Process for the preparation of carboxylic acids or the corresponding esters in the presence of a soluble catalyst based on iridium and iodides Dominique Nobel, Robert Perron, Philippe Perrona, Joel Schwartz 1998-06-30
5770768 Method for preparing carboxylic acids by carbonylation in the presence of iridium Robert Perron, Joel Schwartz 1998-06-23
5670701 Preparation of alkyl adipates Jean-Michel Grosselin, Jean Jenck, Francois Metz, Paul Rouyer 1997-09-23 $2,579,000
5625094 Rhodium/iridium catalyzed synthesis of carboxylic acids or esters thereof Dominique Nobel, Robert Perron 1997-04-29 $2,621,000
5587056 Separation of aliphatic diacids from adipic acid admixtures thereof Carl Patois, Robert Perron 1996-12-24 $2,930,000
5420346 Preparation of adipic acid by hydrocarboxylation of pentenic acids Jean-Michel Grosselin, Francois Metz 1995-05-30 $1,011,000
5380938 Preparation of unsaturated carboxylic acids by carbonylation of allylic butenols and/or esters thereof Francois Metz, Carl Patois, Robert Perron 1995-01-10 $565,000
5354887 Preparation of hexene-1,6-dioic acids 1994-10-11 $746,000
5347959 Steam generator supplied with secondary water from the bottom part Georges Slama, Thierry Daffos, Henri Ayme, Yves Pascal, Bernard Cornu 1994-09-20
5312979 Preparation of adipic acid by hydrocarboxylation of pentenoic acids Francois Metz, Robert Perron 1994-05-17 $722,000
5268505 Preparation of adipic acid by hydrocarboxylation of pentenic acids Philippe Delis, Jean-Michel Grosselin, Francois Metz 1993-12-07 $900,000
5227523 Preparation of adipic acid by hydrocarbonylation of pentenic acids Jean-Michel Grosselin 1993-07-13 $605,000
5227522 Preparation of adipic acid by hydrocarboxylation of pentenic acids Jean-Michel Grosselin, Francois Metz 1993-07-13 $605,000
5198577 Preparation of adipic acid by hydrocarbonylation of pentenic acids Jean-Michel Grosselin 1993-03-30 $731,000
5179231 Preparation of hexene-1,6-dioic acids 1993-01-12 $6,832,000