Inventor
David A. Diehl
Inventor
Pittsburgh, PA, US
Overview
Patents· 10 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 lacquers28%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices12%
Y10TTechnical subjects covered by former us classification8%
B08BCleaning in general4%
B44DPainting or artistic drawing, not otherwise provided for4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
8,133,324'Methods for removal of polymeric coating layers from coated substrates'20127,387,843'Alkyd-based free radical wood coating compositions'20087,090,958'Positive photoresist compositions having enhanced processing time'20067,001,667'Alkyd-based free radical wood coating compositions'20066,054,502'Radiation curable compositons based on unsaturated polyesters and compounds having at least two vinyl ether groups'20005,942,556'Stabilized radiation curable compositions based on unsaturated ester and vinyl ether compounds'19995,585,415'Pigmented compositions and methods for producing radiation curable coatings of very low gloss'19965,536,760'Radiation curable compositions based on unsaturated polyesters and compounds having at least two vinyl ether groups'19965,095,069'Internally-curable water-based polyurethanes'19924,314,923'Coating compositions formulated from polyols modified by reaction with glycidyl ether'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1996Patents assigned to PPG INDUSTRIES INC (4)· patent assignee history
1982Based in South Milwaukee, WI, US· patent location history
1992–2012Based in Pittsburgh, PA, US· patent location history
1996Based in Hazle Township, PA, US· patent location history
1999–2012Patents assigned to PPG IND OHIO INC (6)· patent assignee history
1999Based in Allegheny County, PA, US· patent location history
2012Patents assigned to CLAAR JAMES A (1)· patent assignee history
2012Patents assigned to CUOMO JEROME J (1)· patent assignee history
2012Patents assigned to DIEHL DAVID A (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PPG IND OHIO INC | 6 | 1999–2012 |
| PPG INDUSTRIES INC | 4 | 1982–1996 |
| CLAAR JAMES A | 1 | 2012 |
| CUOMO JEROME J | 1 | 2012 |
| DIEHL DAVID Aself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 7 | 1992–2012 |
| Allegheny County, Pennsylvania, US | 1 | 1999 |
| Hazle Township, Pennsylvania, US | 1 | 1996 |
| South Milwaukee, WI, US | 1 | 1982 |