DB

David W. Bjorkquist

The Procter & Gamble: 20 patents #532 of 10,133Top 6%
PP Pur Water Purification Products: 3 patents #19 of 70Top 30%
Overall (All Time): #186,104 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
7749394 Methods of treating water Michael Donovan Mitchell, Dimitris Ioannis Collias, Piyush Narendra Zaveri, Matthew Morgan Woolley 2010-07-06
7740766 Methods for treating water Michael Donovan Mitchell, Dimitris Ioannis Collias, Piyush Narendra Zaveri, Matthew Morgan Woolley 2010-06-22
7740765 Methods for treating water Michael Donovan Mitchell, Dimitris Ioannis Collias, Piyush Narendra Zaveri, Matthew Morgan Woolley 2010-06-22
7614508 Water filter materials, water filters and kits containing silver coated particles and processes for using the same Michael Donovan Mitchell, Dimitris Ioannis Collias, Piyush Narendra Zaveri, Matthew Morgan Woolley 2009-11-10
7614506 Water filter materials and water filters and processes for using the same Michael Donovan Mitchell, Dimitris Ioannis Collias, Piyush Narendra Zaveri, Matthew Morgan Woolley 2009-11-10
7614507 Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same Michael Donovan Mitchell, Dimitris Ioannis Collias, Piyush Narendra Zaveri, Matthew Morgan Woolley 2009-11-10
6753307 Laundry detergent compositions with a cationically charged dye maintenance polymer Rajan Keshav Panandiker, Sherri Lynn Randall, Janet Sue Littig, Eugene Paul Gosselink 2004-06-22
6733538 Laundry detergent compositions with certain cationically charged dye maintenance polymers Rajan Keshav Panandiker, Sherri Lynn Randall, Janet Sue Littig, Eugene Paul Gosselink 2004-05-11
6433245 Flushable fibrous structures Todd Leon Mansfield 2002-08-13
6127593 Flushable fibrous structures Todd Leon Mansfield 2000-10-03
5698074 Fibers and pulps for papermaking based on chemical combination of poly (acrylate-co-itaconate), polyol and cellulosic fiber Robert Lee Barcus 1997-12-16
5488157 .beta.-aminoalkyl and .beta.-N-peptidylaminoalkyl boronic acids Rajan K. Panandiker 1996-01-30
5443899 Fibers and pulps for papermaking based on chemical combination of poly(acrylate-co-itaconate), polyol and cellulosic fiber Robert Lee Barcus 1995-08-22
5442100 .beta.-aminoalkyl and .beta.-N-peptidylaminoalkyl boronic acids Rajan K. Panandiker 1995-08-15
5431842 Liquid detergents with ortho-substituted phenylboronic acids for inhibition of proteolytic enzyme Rajan K. Panandiker 1995-07-11
5354491 Liquid detergent compositions containing protease and certain .beta.-aminoalkylboronic acids and esters Rajan K. Panandiker 1994-10-11
5160789 Fibers and pulps for papermaking based on chemical combination of poly(acrylate-co-itaconate), polyol and cellulosic fiber Robert Lee Barcus 1992-11-03
5138002 Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same 1992-08-11
5085736 Temporary wet strength resins and paper products containing same 1992-02-04
5049235 Poly(methyl vinyl ether-co-maleate) and polyol modified cellulostic fiber Robert Lee Barcus 1991-09-17
5008344 Temporary wet strength resins and paper products containing same 1991-04-16
4981557 Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same 1991-01-01
4603176 Temporary wet strength resins William W. Schmidt 1986-07-29