DR

Donn Nelton Rubingh

The Procter & Gamble: 21 patents #496 of 10,133Top 5%
AR Arkema: 1 patents #227 of 443Top 55%
📍 Cincinnati, OH: #376 of 8,043 inventorsTop 5%
🗺 Ohio: #2,883 of 73,341 inventorsTop 4%
Overall (All Time): #198,260 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
7431775 Liquid detergent formulation with hydrogen peroxide Xue Wang, Keith Genco 2008-10-07
6946128 Protease conjugates having sterically protected epitope regions David J. Weisgerber, Paul Elliott Correa 2005-09-20
6908757 Serine protease variants having amino acid deletions and substitutions Elizabeth Ellen Sikorski, Paul Elliott Correa 2005-06-21
6599730 Subtilisin 309 variants having decreased adsorption and increased hydrolysis Philip Frederick Brode, III, Bobby Lee Barnett, Chanchal Kamur Ghosh 2003-07-29
6586223 Subtilisin protease variants having amino acid substitutions in defined epitope regions Elizabeth Ellen Sikorski 2003-07-01
6586224 Subtilisin protease variants having amino acid deletions and substitutions in defined epitope regions Elizabeth Ellen Sikorski 2003-07-01
6569663 Serine protease variants having amino acid substitutions Elizabeth Ellen Sikorski, Paul Elliott Correa 2003-05-27
6566115 Protease conjugates having sterically protected clip sites David J. Weisgerber, Paul Elliott Correa 2003-05-20
6495136 Proteases having modified amino acid sequences conjugated to addition moieties David J. Weisgerber, Paul Elliott Correa 2002-12-17
6475765 Subtilisin DY variants having decreased adsorption and increased hydrolysis Philip Frederick Brode, III, Bobby Lee Barnett 2002-11-05
6455295 Subtilisin Carlsberg variants having decreased adsorption and increased hydrolysis Philip Frederick Brode, III, Bobby Lee Barnett 2002-09-24
6451574 Proteinase K variants having decreased adsorption and increased hydrolysis Philip Frederick Brode, III, Bobby Lee Barnett 2002-09-17
6440717 BPN′ variants having decreased adsorption and increased hydrolysis Philip Frederick Brode, III, Bobby Lee Barnett, Chanchal Kumar Ghosh 2002-08-27
6436690 BPN′ variants having decreased adsorption and increased hydrolysis wherein one or more loop regions are substituted Philip Frederick Brode, III, Bobby Lee Barnett, Chanchal Kumar Ghosh 2002-08-20
6284246 Modified polypeptides with high activity and reduced allergenicity David J. Weisgerber 2001-09-04
6066611 Bleaching compositions comprising protease enzymes Chanchal Kumar Ghosh, Michael E. Burns, David Neil DiGiulio, Edward Eugene Getty, Richard Timothy Hartshorn +3 more 2000-05-23
6017871 Protease-containing cleaning compositions Andre Baeck, Chanchal Kumar Ghosh, Thomas P. Graycar, Richard R. Bott, Lori J. Wilson +2 more 2000-01-25
5679630 Protease-containing cleaning compositions Andre Baeck, Chanchal Kumar Ghosh, Thomas P. Graycar, Richard R. Bott, Lori J. Wilson +2 more 1997-10-21
5677272 Bleaching compositions comprising protease enzymes Chanchal Kumar Ghosh, Michael E. Burns, David Neil DiGiulio, Edward Eugene Getty, Richard Timothy Hartshorn +3 more 1997-10-14
4661288 Zwitterionic compounds having clay soil removal/anti/redeposition properties useful in detergent compositions Eugene Paul Gosselink 1987-04-28
4659802 Cationic compounds having clay soil removal/anti-redeposition properties useful in detergent compositions Eugene Paul Gosselink 1987-04-21
4248729 Detergency booster Theodore C. Stephens 1981-02-03