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Robert O. Keys — 24 Patents

WIWitco: 8 patents #4 of 201Top 2%
SCSherex Chemical Co.: 7 patents #2 of 46Top 5%
The Procter & Gamble: 5 patents #2,802 of 10,297Top 30%
GCGoldschmidt Chemical: 3 patents #1 of 21Top 5%
Columbus, OH: #85 of 3,880 inventorsTop 3%
Ohio: #2,530 of 73,341 inventorsTop 4%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Robert O. Keys has been granted 24 US patents while listed as an inventor at Witco. The first was granted in 1985 and the most recent in March 2006. Robert O. Keys ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Robert O. Keys in Columbus, OH, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7015187 Fabric softening compound Hugo Jean Marie Demeyere, Jans-Jurgen Kohle, Johan De Poortere, Errol Hoffman Wahl 2006-03-21 $112,878,000
6784152 Polyquat anionic scavengers for rinse cycle fabric softeners — 2004-08-31
6759383 Fabric softening compound Hugo Jean Marie Demeyere, Jans-Jurgen Kohle, Johan De Poortere, Errol Hoffman Wahl 2004-07-06 $80,493,000
6737392 MDEA ester quats with high content of monoester in blends with tea ester quats Christopher J. Toney, David L. Gefvert 2004-05-18
6521589 Quaternary fatty acid triethanolamine ester salts and their use as fabric softeners Hugo Jean Marie Demeyere, Jans-Jurgen Kohle, Johan De Poortere, Errol Hoffman Wahl 2003-02-18 $73,146,000
6211139 Polyester polyquaternary compounds, compositions containing them, and use thereof Floyd E. Friedli, Damon M. Dalrymple, Monna Manning, Craig Poffenberger, David E. Whittlinger +1 more 2001-04-03
6162453 C.sub.7 -C.sub.12 Diol & Diol alkoxylates as coupling agents for surfactant formulations — 2000-12-19
5977189 C.sub.7 -C.sub.12 diol and diol alkoxylates as coupling agents for surfactant formulations — 1999-11-02
5958863 Cationic compositions containing diol alkoxylate — 1999-09-28
5877145 Concentrated fabric softening composition with good freeze/thaw recovery and highly unsaturated fabric softener compound therefor Errol Hoffman Wahl, Helen Bernardo Tordil, Toan Trinh, Eugene Robert Carr, Laura Marie Meyer +3 more 1999-03-02 $98,656,000
5830842 Hydroxyesters as coupling agents for surfactant formulations — 1998-11-03 $6,736,000
5824635 Cationic compositions containing hydroxyester — 1998-10-20
5759990 Concentrated fabric softening composition with good freeze/thaw recovery and highly unsaturated fabric softener compound therefor Errol Hoffman Wahl, Helen Bernardo Tordil, Toan Trinh, Eugene Robert Carr, Laura Marie Meyer 1998-06-02 $46,145,000
5753079 Obtaining enhanced paper production using cationic compositions containing diol and/or diol alkoxylate Neil A. Jenny 1998-05-19 $3,465,000
5686023 C.sub.7 -C.sub.12 diol and diol alkoxylates as coupling agents for surfactant formulations — 1997-11-11 $6,783,000
5674832 Cationic compositions containing diol and/or diol alkoxylate — 1997-10-07 $13,125,000
5670472 Biodegradable ester diquaternary compounds and compositions containing them — 1997-09-23 $12,968,000
4892663 Coal filtration process and dewatering aids therefor — 1990-01-09 $646,000
4678561 Promoters for froth flotation of coal — 1987-07-07 $187,000
4678562 Promotors for froth floatation of coal — 1987-07-07 $187,000
4678563 Modified alcohol frothers for froth flotation of sulfide ore — 1987-07-07 $187,000
4606818 Modified alcohol frothers for froth flotation of coal — 1986-08-19 $615,000
4589980 Promoters for froth flotation of coal — 1986-05-20 $569,000
4504385 Ester-alcohol frothers for froth flotation of coal — 1985-03-12 $119,000

Nearby-Ranked Inventors

Tracy Helen Fung24
Yang Li24
Bo Ching Jiang24
Shoham DEKEL24
David B. Coulter24
Akiko WATANO24
Walter Nistico24
Thomas W. Chalberg, Jr.24
Alan R. Dombrowski24