RC

Roger T. Clark

PE Pennwalt: 6 patents #19 of 288Top 7%
EA Elf Atochem North America: 4 patents #20 of 167Top 15%
AT Atochem: 1 patents #34 of 107Top 35%
Overall (All Time): #355,322 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7430968 Folding work platform 2008-10-07
6106372 Tungsten electrode sharpener 2000-08-22
5442123 Process for selectively preparing organic trisulfides Emmanuel Arretz, Glenn T. Carroll 1995-08-15
5405820 Process for the preparation of an alumina trihyorate catalyst James A. Elkins, Jr. 1995-04-11
5312992 Process for removing sulfur from organic sulfides Michael J. Lindstrom, Glenn T. Carroll, Jeffrey H. Yen 1994-05-17
5283369 Selective synthesis of mercaptans and catalyst therefor James A. Elkins, Jr. 1994-02-01
5091593 Process for removing sulfur from organic sulfides Michael J. Lindstrom, Glenn T. Carroll, Jeffrey Hsing-Gan Yen 1992-02-25
4951337 Mechanic's support pillow Harold L. Hull 1990-08-28
4827031 Process for preparing amines from olefins with ammonium halide catalysts David M. Gardner, Paul J. McElligott, Jr. 1989-05-02
4683090 Purification of organosulfonyl halides 1987-07-28
RE32392 Catalyst pellets with resin binder for decomposition of hypochlorite David M. Gardner 1987-04-07
4454321 Preparation of amines from olefins using certain transition metal catalysts David M. Gardner 1984-06-12
4400304 Catalyst pellets with resin binder for decomposition of hypochlorite David M. Gardner 1983-08-23
4255357 Catalytic process for preparing ethyl amines David A. Gardner 1981-03-10