Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GF

Guy Fleche

RFRoquette Freres: 17 patents #8 of 369Top 3%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
SSSolvay Sa: 1 patents #185 of 433Top 45%
Merville, FR: #1 of 24 inventorsTop 5%
Overall (All Time): #211,324 of 4,157,543Top 6%
21 Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
7342050 Method for preparing a lactic acid ester composition and use thereof as solvent Patrick Fuertes, Rodolphe Tamion, Serge Comini 2008-03-11
7122661 Method for purifying a composition containing at least one internal dehydration product of a hydrogenated sugar Patrick Fuertes, Rodolphe Tamion, Herve Wyart 2006-10-17
6500649 Process for the conversion of organic materials, particularly saccharide materials, comprising an enzymatic oxidation step in the presence of ruthenium or palladium Catherine Fouache, Rodolphe Tamion, Didier Moine, Patrick Fuertes 2002-12-31
6476218 Method of preparing a mixture of mannitol and sorbitol by continuous hydrogenation of glucosone Jean-Christophe Choque 2002-11-05
6300494 Process for the manufacture of D-erythrose Rodolphe Tamion 2001-10-09
6297409 Continuous process for the preparation of a high-purity hydrogenated ose by catalytic hydrogenation Jean-Christophe Choque 2001-10-02
5981742 Glucuronyl arabinarates and process for producing them 1999-11-09
5872247 Decarboxylation process for 2-ketoaldonic acids Pierrick Duflot 1999-02-16
5831043 Process for the oxidation of sugars 1998-11-03
5817780 Process for the alkaline oxidative degradation of reducing sugars Pierrick Duflot 1998-10-06
5731467 Process for the manufacture of xylaric acid and uses thereof 1998-03-24
5703160 Biodegradable moulding compositions comprising a starch, a biodegradable polyester, and a salt of a hydroxycarboxylic acid Claude Dehennau, Thierry Depireux, Serge Gosset, Didier Videau 1997-12-30
5360473 Thermoformable compounds, their process of preparation and their use in order to obtain thermoformed articles Serge Gosset, Morand Lambla 1994-11-01
5129989 Manufacturing process for paper Serge Gosset, Pierre Lefer, Jean-Marie Schneider 1992-07-14
5023354 High purity alditol diacetals, free from organic solvent traces and processes for preparing same Jean-Paul Salome 1991-06-11
4985553 Process for the oxidation of di-, tri-, Oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained Patrick Fuertes 1991-01-15
4845208 Process for the oxidation of aldoses, catalyst used in said process and products thus obtained Patrick Fuertes 1989-07-04
4613407 Cationic additive for the manufacture of paper Michel Huchette, Serge Gosset 1986-09-23
4590283 Process for manufacturing 5-hydroxymethylfurfural Antoine Gaset, Luc Rigal, Gilles Paillassa, Jean-Paul Salome 1986-05-20
4543168 Process for the preparation of ketones corresponding to 1,4-3,6-dianhydrohexitols by anodic electrooxidation Antoine Gaset, Jacquet Fabienne 1985-09-24
4339387 Process for manufacturing 5-hydroxymethylfurfural Antoine Gaset, Jean-Pierre Gorrichon, Eric Truchot, Philippe Sicard 1982-07-13