Inventor
WESSLING RITCHIE A
US86 patents
⚠️ This page may combine multiple inventors who share the name “WESSLING RITCHIE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOW CHEMICAL CO
33 patentsUS4797187AJan 10, 1989
Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
DOW CHEMICAL CO142 citations98
US4704324ANov 3, 1987
Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
DOW CHEMICAL CO154 citations98
US4769148ASep 6, 1988
Novel polyamide reverse osmosis membranes
DOW CHEMICAL CO139 citations97
US4643940AFeb 17, 1987
Low density fiber-reinforced plastic composites
DOW CHEMICAL CO245 citations97
US4957817ASep 18, 1990
Film, fiber, and microporous membranes of poly(etheretherketone)dissolved in high boiling point polar organic solvents
DOW CHEMICAL CO63 citations96
US4868222ASep 19, 1989
Preparation of asymmetric membranes by the solvent extraction of polymer components from polymer blends
DOW CHEMICAL CO52 citations96
US5679133AOct 21, 1997
Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
DOW CHEMICAL CO45 citations95
US5405661AApr 11, 1995
Fire resistant panel
DOW CHEMICAL CO55 citations95
US5352272AOct 4, 1994
Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
DOW CHEMICAL CO66 citations95
US4992485AFeb 12, 1991
Microporous peek membranes and the preparation thereof
DOW CHEMICAL CO66 citations95
US4904385AFeb 27, 1990
Porous filter media and membrane support means
DOW CHEMICAL CO73 citations95
US4839203AJun 13, 1989
Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
DOW CHEMICAL CO87 citations95
US5246647ASep 21, 1993
Process of making microporous hollow fiber or film membrane of poly(phenylene sulfide) (PPS)
DOW CHEMICAL CO66 citations94
US5164131ANov 17, 1992
Methods for synthesizing pulps and short fibers containing polybenzazole polymers
DOW CHEMICAL CO22 citations93
US4426489AJan 17, 1984
Surface active polymeric surfactants containing side chain hydrophobes
DOW CHEMICAL CO38 citations93
US4426470AJan 17, 1984
Aqueous method of making reinforced composite material from latex, solid polymer and reinforcing material
DOW CHEMICAL CO114 citations93
US5552221ASep 3, 1996
Polybenzazole fibers having improved tensile strength retention
DOW CHEMICAL CO40 citations92
US4927540AMay 22, 1990
Ionic complex for enhancing performance of water treatment membranes
DOW CHEMICAL CO41 citations92
US4909943AMar 20, 1990
Rejection enhancing coatings for reverse osmosis membranes
DOW CHEMICAL CO52 citations92
US4894165AJan 16, 1990
Rejection enhancing coatings for reverse osmosis membranes
DOW CHEMICAL CO26 citations92
US4828700AMay 9, 1989
Rejection enhancing coatings for reverse osmosis membranes
DOW CHEMICAL CO25 citations92
US4337185AJun 29, 1982
Process for making cationic structured particle latexes using reactive polymeric surfactants
DOW CHEMICAL CO113 citations92
US4189345AFeb 19, 1980
Fibrous compositions
DOW CHEMICAL CO31 citations92
US4056501ANov 1, 1977
Cationic structured-particle latexes
DOW CHEMICAL CO50 citations92
US5787686AAug 4, 1998
Amphipathic graft copolymer pesticide formulation compositions and methods of their use
DOW CHEMICAL CO20 citations91
US4323531AApr 6, 1982
Process for forming a plastic article
DOW CHEMICAL CO39 citations91
US3965032AJun 22, 1976
Colloidally stable dispersions
DOW CHEMICAL CO37 citations90
US5034026AJul 23, 1991
Polybenzazole polymers containing indan moieties
DOW CHEMICAL CO21 citations82
US4427819AJan 24, 1984
Anionic structured particle latexes
DOW CHEMICAL CO16 citations82
US4225407ASep 30, 1980
Cathodic electrodeposition of polymers onto a conductive surface
DOW CHEMICAL CO22 citations82
US4017442AApr 12, 1977
Structured-particle latexes
DOW CHEMICAL CO29 citations82
US4352766AOct 5, 1982
Scrapless forming of plastic articles
DOW CHEMICAL CO20 citations81
US4002586AJan 11, 1977
Method for preparing cationic latexes
DOW CHEMICAL CO20 citations81
UNIV CALIFORNIA
3 patentsUS6627177B2Sep 30, 2003
Polyhydroxyl-substituted organic molecule sensing optical in vivo method utilizing a boronic acid adduct and the device thereof
UNIV CALIFORNIA81 citations98
US7470420B2Dec 30, 2008
Optical determination of glucose utilizing boronic acid adducts
UNIV CALIFORNIA40 citations96
US6653141B2Nov 25, 2003
Polyhydroxyl-substituted organic molecule sensing method and device
UNIV CALIFORNIA57 citations92
GLUMETRICS INC
3 patentsUS7939664B2May 10, 2011
Pyridinium boronic acid quenchers for use in analyte sensors
GLUMETRICS INC16 citations92
US7829341B2Nov 9, 2010
Polyviologen boronic acid quenchers for use in analyte sensors
GLUMETRICS INC21 citations92
US7751863B2Jul 6, 2010
Optical determination of ph and glucose
GLUMETRICS INC26 citations91
MARKLE DAVID R
3 patentsUS8498682B2Jul 30, 2013
Optical determination of pH and glucose
MARKLE DAVID R18 citations91
US8838195B2Sep 16, 2014
Optical systems and methods for ratiometric measurement of blood glucose concentration
MARKLE DAVID R10 citations84
US8110251B2Feb 7, 2012
Method for polymerizing a monomer solution within a cavity to generate a smooth polymer surface
MARKLE DAVID R14 citations83
DOWELANCO
2 patentsGAMSEY SOYA
2 patentsCYNARA CO
1 patentFILMTEC CORP
1 patentSINGARAM BAKTHAN
1 patentSURI JEFF T
1 patentShowing the top 50 of 86 patents by PatentIndex Score.