Inventor
P. Richard Hergenrother
Inventor
Gibsonia, PA, US
Overview
Patents· 6 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 bonds31%
C09DCoating compositions, e.g. paints, varnishes or lacquers31%
Y10TTechnical subjects covered by former us classification31%
C08LCompositions of macromolecular compounds6%
PatentTitleYear
7,057,000'Two-component coating compositions containing silane adhesion promoters'20066,797,799'High 2,4-diphenylmethane diisocyanate content prepolymers'20046,444,325'Two-component coating compositions containing silane adhesion promoters'20026,355,829'Aspartate-terminated urea/urethane prepolymers and their use in coating compositions'20026,183,870'Coating compositions containing polyisocyanates and aspartate-terminated urea/urethane prepolymers'20014,222,916'Rubberized coal tar pitch emulsion'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to KOPPERS CO INC (1)· patent assignee history
1980–2006Based in Gibsonia, PA, US· patent location history
2001–2002Patents assigned to BAYER AG (3)· patent assignee history
2004–2006Patents assigned to BAYER MATERIALSCIENCE LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 3 | 2001–2002 |
| BAYER MATERIALSCIENCE LLC | 2 | 2004–2006 |
| KOPPERS CO INC | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gibsonia, Pennsylvania, US | 6 | 1980–2006 |