RK

Roland Kotwica

AT Atofina: 4 patents #14 of 359Top 4%
EA E.I. Du Pont De Nemours And: 3 patents #2,942 of 8,010Top 40%
SS Societe Chimique Des Charbonnages S.A.: 2 patents #12 of 111Top 15%
ES Elf Atochem S.A.: 1 patents #238 of 505Top 50%
SC Societe Chimique Des Charbonnages - Cdf Chimie: 1 patents #29 of 32Top 95%
📍 Nogent-sur-Oise, FR: #7 of 81 inventorsTop 9%
Overall (All Time): #663,925 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6579419 Method for purifying norbornene by distillation André Marbach 2003-06-17
6479719 Method and reactor for making norbornene André Marbach 2002-11-12
6437193 Vapor phase oxidation of propylene to acrolein Rashmikant Maganlal Contractor, Mark William Andersen, Daniel Campos, Gerard Hecquet, Charlotte Pham +2 more 2002-08-20
6310240 Vapor phase oxidation of acrolein to acrylic acid Rashmikant Maganlal Contractor, Mark William Andersen, Daniel Campos, Gerard Hecquet, Charlotte Pham +3 more 2001-10-30
6281384 Vapor phase catalytic oxidation of propylene to acrylic acid Rashmikant Maganlal Contracter, Mark William Andersen, Jean B. Myers, Gerard Hecquet, Mireille Stojanovic +2 more 2001-08-28
4659433 Concentrating and dehydrating apparatus for maleic anhydride 1987-04-21
4469169 Distribution device for multitubular exchangers 1984-09-04
4414398 Dehydration of maleic acid to form maleic anhydride 1983-11-08