Inventor
CHRISTENSON ROGER M
45 patents
⚠️ This page may combine multiple inventors who share the name “CHRISTENSON ROGER M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
44 patentsUS3991216ANov 9, 1976
Beverage containers coated with a water based liner
PPG INDUSTRIES INC61 citations96
US4055607AOct 25, 1977
Acrylic coating compositions
PPG INDUSTRIES INC65 citations95
US4289674ASep 15, 1981
Base-solubilized acrylic polymers and aqueous resinous dispersions of acrylic polymers and epoxy resins
PPG INDUSTRIES INC77 citations94
US4327008AApr 27, 1982
Urethane rheology modifiers and coating compositions containing same
PPG INDUSTRIES INC48 citations93
US4711917ADec 8, 1987
Cationic coating compositions for electrodeposition over rough steel
PPG INDUSTRIES INC29 citations92
US4615779AOct 7, 1986
Cationic coating compositions for electrodeposition over rough steel
PPG INDUSTRIES INC29 citations92
US4339365AJul 13, 1982
Coating compositions containing pigment dispersants
PPG INDUSTRIES INC42 citations92
US4252935AFeb 24, 1981
Esters of diglycidyl polyethers of hydrogenated phenols and coating compositions containing same
PPG INDUSTRIES INC30 citations92
US4591518AMay 27, 1986
Acrylic functional urethane alkyd resin coating compositions
PPG INDUSTRIES INC26 citations91
US4638020AJan 20, 1987
Aqueous composition comprising a phosphated epoxy and non-self dispersible resin
PPG INDUSTRIES INC40 citations90
US4477618AOct 16, 1984
Aminoplast curable coating compositions containing sulfonic acid esters as latent acid catalysts
PPG INDUSTRIES INC23 citations82
US4403085ASep 6, 1983
Polyurethane crosslinkers, and the process for preparing and using the same
PPG INDUSTRIES INC25 citations82
US4248753AFeb 3, 1981
Michael adducts of polymeric materials useful in coating applications
PPG INDUSTRIES INC25 citations82
US4153545AMay 8, 1979
Method for cleaning membrane filter
PPG INDUSTRIES INC28 citations82
US4136025AJan 23, 1979
Method of cleaning membrane filter
PPG INDUSTRIES INC20 citations82
US4129489ADec 12, 1978
Preparation of polymer based powder coatings by ionizing radiation
PPG INDUSTRIES INC22 citations82
US4102863AJul 25, 1978
Cationic electrodeposition using aqueous dispersions of quaternary ammonium carbonate-containing polymers
PPG INDUSTRIES INC14 citations82
US4380601AApr 19, 1983
Thermosetting catonic acrylic latices and their use in coating compositions
PPG INDUSTRIES INC20 citations81
US4302562ANov 24, 1981
Pigment dispersants for coating compositions
PPG INDUSTRIES INC26 citations81
US4693846ASep 15, 1987
Urethane-modified rosin esters
PPG INDUSTRIES INC22 citations80
US4198331AApr 15, 1980
Resinous coating compositions curable by Michael adduct exchange
PPG INDUSTRIES INC28 citations80
US4454274AJun 12, 1984
Aminoplast curable coating compositions containing cycloaliphatic sulfonic acid esters as latent acid catalysts
PPG INDUSTRIES INC16 citations74
US4337184AJun 29, 1982
Urethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing same
PPG INDUSTRIES INC13 citations74
US4335829AJun 22, 1982
Coated metal surfaces and method of coating metal surfaces with aqueous resinous dispersions of epoxy resins and acrylic polymers
PPG INDUSTRIES INC16 citations74
US4316784AFeb 23, 1982
Process for electrodeposition of Michael adducts of polymeric materials
PPG INDUSTRIES INC13 citations74
US4298511ANov 3, 1981
Urethane rheology modifiers and compositions containing same
PPG INDUSTRIES INC16 citations74
US4260716AApr 7, 1981
Polymeric quaternary ammonium hydroxides and their use in coating applications
PPG INDUSTRIES INC15 citations74
US4225480ASep 30, 1980
Addition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxides
PPG INDUSTRIES INC13 citations74
US4222911ASep 16, 1980
Polyester diol extended uralkyd resin and coating compositions containing the same
PPG INDUSTRIES INC18 citations74
US4221885ASep 9, 1980
Addition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxides
PPG INDUSTRIES INC12 citations74
US4097438AJun 27, 1978
Water-based liners for beverage containers
PPG INDUSTRIES INC12 citations74
US4081341AMar 28, 1978
Use of polymeric quaternary ammonium hydroxides in electrodeposition
PPG INDUSTRIES INC16 citations74
US4029621AJun 14, 1977
Reaction products of a polyepoxide with a thiol having a group hydroyzable to carboxyl, and aqueous solubilized products
PPG INDUSTRIES INC16 citations74
US4530945AJul 23, 1985
Pigment grinding vehicle
PPG INDUSTRIES INC10 citations73
US4303764ADec 1, 1981
Pigment dispersants for coating compositions
PPG INDUSTRIES INC17 citations73
US4302561ANov 24, 1981
Pigment dispersants for coating compositions
PPG INDUSTRIES INC19 citations73
US4302560ANov 24, 1981
Pigment dispersants for coating compositions
PPG INDUSTRIES INC15 citations73
US4581111AApr 8, 1986
Treatment of ultrafiltrate by electrodialysis
PPG INDUSTRIES INC9 citations72
US4256560AMar 17, 1981
Curable resinous compositions useful in coating applications
PPG INDUSTRIES INC13 citations72
US4065415ADec 27, 1977
Water-based coatings with improved sagging and popping characteristics
PPG INDUSTRIES INC18 citations70
US4065416ADec 27, 1977
Water-based coatings with reduced solvent or water popping and sagging
PPG INDUSTRIES INC13 citations70
US4141810AFeb 27, 1979
Cationic electrodeposition using aqueous dispersions of quaternary ammonium carbonate-containing polymers
PPG INDUSTRIES INC2 citations63
US4605478AAug 12, 1986
Cationic electrodepositable compositions containing formaldehyde scavenger
PPG INDUSTRIES INC5 citations62
US4560717ADec 24, 1985
Cationic electrodepositable compositions containing formaldehyde scavenger
PPG INDUSTRIES INC6 citations62