Inventor
Padmanabhan Sundararaman
Inventor
Allison Park, PA, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds28%
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
C07CAcyclic or carbocyclic compounds5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
7,803,415'Methods for coating food cans'20107,745,508'Compositions and methods for coating food cans'20106,200,683'Coil coating compositions with low temperature flexibility and improved stain resistance'20016,159,549'Flexible phosphatized polyester-urethane primers and improved coating systems including the same'20006,136,927'Phosphatized amine chain-extended epoxy polymeric compounds'20005,955,561'Hydroxy esters and amides derived from active ester urethanes and their use in film-forming compositions'19995,905,121'Active ester urethane crosslinking agents and their use in film-forming compositions'19995,552,475'Waterborne polyesters having improved saponification resistance'19965,359,005'Stable, one-package, non-gelled coating composition curable under ambient conditions'19945,349,006'Azetidinol reaction products used as pigment grind and film forming vehicles'19945,324,789'Azetidinol reaction products'19945,288,802'Automotive refinish primer surfacer containing acetoacetate functional polyesterpolyol, a polyacrylate, and an amine functional epoxy resin'19945,241,001'Coating composition of aziridinyl polymer and epoxy polymer(s)'19935,182,355'Polyurethane polyanhydride oligomers and method of preparation'19935,142,019'Oligomers formed from reaction of acrylamidoglycolate alkyl ethers with .beta.-hydroxyalkylamines'19925,136,006'Carbodiimide compounds, polymers containing same and coating compositions containing said polymers'19925,116,922'Polymers containing beta-hydroxyalkylamide groups'19925,105,010'Carbodiimide compounds, polymers containing same and coating compositions containing said polymers'19925,059,655'Polyurethane polyanhydride oligomers and method of preparation'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1999Patents assigned to PPG INDUSTRIES INC (13)· patent assignee history
1991–2010Based in Allison Park, PA, US· patent location history
1996Based in Hampton Township, PA, US· patent location history
1999–2010Patents assigned to PPG IND OHIO INC (6)· patent assignee history
1999Based in McCandless, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PPG INDUSTRIES INC | 13 | 1991–1999 |
| PPG IND OHIO INC | 6 | 1999–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allison Park, Pennsylvania, US | 16 | 1991–2010 |
| McCandless, Pennsylvania, US | 2 | 1999 |
| Hampton Township, Pennsylvania, US | 1 | 1996 |