Inventor
Ralph C. Gray
Inventor
Butler, PA, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers21%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
C23CCoating metallic material16%
Y10TTechnical subjects covered by former us classification16%
B23KSoldering or unsoldering10%
B05DProcesses for applying fluent materials to surfaces, in general4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C08LCompositions of macromolecular compounds3%
C23FNon-mechanical removal of metallic material from surface3%
PatentTitleYear
7,476,444'Layer of reaction product of epoxy and phosphorus materials and curing agent on substrate'20097,345,101'Aqueous composition of reaction product of epoxy and phosphorus materials with curing agent'20087,282,266'Corrosion and alkali-resistant compositions and methods for using the same'20077,147,897'Weldable compositions comprising a conductive pigment and silicon and methods for using the same'20067,141,619'Corrosion and alkali-resistant compositions and methods for using the same'20066,984,674'Curable, weldable coating compositions'20066,777,034'Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same'20046,750,274'Weldable coating of phosphated epoxy polymer, curing agent and electroconductive pigment'20046,440,580'Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same'20026,410,926'Coating with optical taggent'20026,312,812'Coated metal substrates and methods for preparing and inhibiting corrosion of the same'20016,217,674'Compositions and process for treating metal substrates'20016,187,849'Temporary protective coating'20015,693,739'Phenolic polymers from amino phenols and anhydride or epoxy polymers'19975,653,790'Zinc phosphate tungsten-containing coating compositions using accelerators'19975,360,492'Pretreating composition containing substituted triazine compound'19945,306,526'Method of treating nonferrous metal surfaces by means of an acid activating agent and an organophosphate or organophosphonate and substrates treated by such method'19945,294,265'Non-chrome passivation for metal substrates'19945,149,382'Method of pretreating metal by means of composition containing S-triazine compound'19924,517,322'Acrylated alkyd and polyester resins'19854,346,143'Method of applying zinc-rich primer and product'19824,309,328'Stable aqueous dispersions of particles of vinylidene fluoride polymer'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1997Patents assigned to PPG INDUSTRIES INC (9)· patent assignee history
1982–1992Based in Allison Park, PA, US· patent location history
1994–2009Based in Butler, PA, US· patent location history
2001–2009Patents assigned to PPG IND OHIO INC (13)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PPG IND OHIO INC | 13 | 2001–2009 |
| PPG INDUSTRIES INC | 9 | 1982–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Butler, Pennsylvania, US | 18 | 1994–2009 |
| Allison Park, Pennsylvania, US | 4 | 1982–1992 |