DB

Derek H. R. Barton

RU Roussel Uclaf: 5 patents #85 of 430Top 20%
FO Fritzsche Dodge & Olcott: 5 patents #5 of 22Top 25%
PO Polaroid: 4 patents #193 of 898Top 25%
RC Research Institute For Medicine And Chemistry: 4 patents #4 of 10Top 40%
QB Quest International B.V.: 2 patents #25 of 168Top 15%
CN CNRS: 2 patents #1,756 of 11,908Top 15%
SC Schering: 1 patents #1,469 of 2,442Top 65%
GL Glaxo Laboratories Limited: 1 patents #6 of 27Top 25%
Hoechst Gmbh: 1 patents #2,248 of 4,020Top 60%
MS Montedison S.P.A.: 1 patents #216 of 455Top 50%
OL Olin: 1 patents #449 of 783Top 60%
📍 London, TX: #8 of 86 inventorsTop 10%
Overall (All Time): #120,072 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
6093812 Process for the stereospecific synthesis of azetidinones Tiruvettipuram K. Thiruvengadam, Chou-Hong Tann, Junning Lee, Timothy L. McAllister, Cesar Colon +2 more 2000-07-25
5756852 Co-oxidation of H.sub.2 S and saturated hydrocarbons 1998-05-26
5472957 Chemical compounds and process Robert Henry Hesse, Ezio Rizzardo 1995-12-05
5473085 Production of (-)dodecahydro-3a,6,6,9a-tetramethyl-naphtho[2,1-b] furan Dennis K. Taylor, Chi-Lam Tse 1995-12-05
5463089 Preparation of ambrox Shyamal I. Parekh, Dennis K. Taylor, Chi-Lam Tse 1995-10-31
5283271 3,5-diphenyl or substituted 3,5-diphenyl-1-hydroxy-1,2-dihydroimidazole-2-thiones Catherine Tachdjian 1994-02-01
4868307 Derivatives of bicyclic aminocarboxylic acids Pierre Potier, Yolande Herve, Josiane Thierry 1989-09-19
4689410 Novel 23-dihydro-oxazolyl steroids Samir Zard, Jocelyne Wozniak 1987-08-25
4670190 1-.alpha.-hydroxy vitamin D compounds and process for preparing same Robert Henry Hesse, Ezzio Rizzardo 1987-06-02
4668356 Photolytic process for the formation of carbon-containing free radicals and its applications to free radical polymerization in particular David Crich, William B. Motherwell 1987-05-26
4621156 Optical filter agents and photographic products and processes containing same Irena Y. Bronstein-Bonte, Lloyd D. Taylor 1986-11-04
4529437 Herbicides Roberto Colle, Franco Gozzo, Ciro Preziuso, Antony G. M. Barrett 1985-07-16
4501701 20-Isocyano-.DELTA..sup.17(20) -steroids William B. Motherwell, Sammir Z. Zard 1985-02-26
4490296 Compositions and method William B. Motherwell, Samir Zard 1984-12-25
4471137 Highly sterically hindered guanidines and process for the production thereof John Daniel Elliott, Stephan Gero 1984-09-11
4468494 Polymeric pH-sensitive optical filter agents having hydrazone moieties attached thereto Irena Y. Bronstein-Bonte, Lloyd D. Taylor 1984-08-28
4434080 Dehydrogenation agents based on derivatives of selenium and their use in the dehydrogenation in the 1,4 positions of steroids William B. Motherwell 1984-02-28
4401596 Novel 17-oxazoline-steroids William B. Motherwell, Samir Zard Zard 1983-08-30
4370497 Oxidation process using tellurium oxide catalysts Steven Ley, Clive A. Meerholz 1983-01-25
4339593 Process for the manufacture of 3,6-dialkyl resorcylic acid esters Brian J. Willis, David Lerner 1982-07-13
4298676 Optical filter agents and photographic products and processes containing same Irena Y. Bronstein-Bonte, Lloyd D. Taylor 1981-11-03
4284558 Chemical process for fluorinating a tertiary carbon atom in the steroid nucleus Robert Henry Hesse 1981-08-18
4269925 Polymeric optical filter agents and photographic products and processes containing same Irena Y. Bronstein-Bonte, Lloyd D. Taylor 1981-05-26
4267111 Process for preparing .beta.-(3-exo-hydroxy-endo-2,3-dimethyl-2-norbornyl)-propionic acid .delta . Brian J. Willis, Philip A. Christenson 1981-05-12
4261866 Spirodienones and spirocyclic ketones Brian J. Willis 1981-04-14