Roger M. Christenson
46Patents
16h-index
45Co-inventors
77Inventor score
Filing activity: Aug 5, 1974 → Jun 27, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4289674A | Base-solubilized acrylic polymers and aqueous resinous dispersions of acrylic polymers and epoxy resins | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4055607A | Acrylic coating compositions | Chemistry; Metallurgy | 51 | Expired |
| US3991216A | Beverage containers coated with a water based liner | Chemistry; Metallurgy | 47 | Expired |
| US4339365A | Coating compositions containing pigment dispersants | Chemistry; Metallurgy | 32 | Expired |
| US4638020A | Aqueous composition comprising a phosphated epoxy and non-self dispersible resin | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4252935A | Esters of diglycidyl polyethers of hydrogenated phenols and coating compositions containing same | Chemistry; Metallurgy | 27 | Expired |
| US4198331A | Resinous coating compositions curable by Michael adduct exchange | Chemistry; Metallurgy | 25 | Expired |
| US4327008A | Urethane rheology modifiers and coating compositions containing same | Chemistry; Metallurgy | 25 | Expired |
| US4248753A | Michael adducts of polymeric materials useful in coating applications | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4711917A | Cationic coating compositions for electrodeposition over rough steel | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4615779A | Cationic coating compositions for electrodeposition over rough steel | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4302562A | Pigment dispersants for coating compositions | Chemistry; Metallurgy | 19 | Expired |
| US4302561A | Pigment dispersants for coating compositions | Chemistry; Metallurgy | 17 | Expired |
| US4403085A | Polyurethane crosslinkers, and the process for preparing and using the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4591518A | Acrylic functional urethane alkyd resin coating compositions | Chemistry; Metallurgy | 17 | Expired |
| US4693846A | Urethane-modified rosin esters | Chemistry; Metallurgy | 17 | Expired |
| US4065415A | Water-based coatings with improved sagging and popping characteristics | Chemistry; Metallurgy | 16 | Expired |
| US4222911A | Polyester diol extended uralkyd resin and coating compositions containing the same | Chemistry; Metallurgy | 16 | Expired |
| US4260716A | Polymeric quaternary ammonium hydroxides and their use in coating applications | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4303764A | Pigment dispersants for coating compositions | Chemistry; Metallurgy | 15 | Expired |
| US4380601A | Thermosetting catonic acrylic latices and their use in coating compositions | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4302560A | Pigment dispersants for coating compositions | Chemistry; Metallurgy | 13 | Expired |
| US4477618A | Aminoplast curable coating compositions containing sulfonic acid esters as latent acid catalysts | Chemistry; Metallurgy | 13 | Expired |
| US4335829A | Coated metal surfaces and method of coating metal surfaces with aqueous resinous dispersions of epoxy resins and acrylic polymers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4129489A | Preparation of polymer based powder coatings by ionizing radiation | Chemistry; Metallurgy | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.