Inventor
Richard H. Weese
Inventor
Washington Crossing, PA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds41%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients29%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
C08JWorking-up12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
7,309,729'Aqueous additive systems for polymeric matrices'20077,238,742'Aqueous additive systems for polymeric matrices'20075,919,849'Impact modified polyacetal compositions'19995,599,860'Impact modified polyacetal compositions'19975,451,624'Stabilized modifier and impact modified thermoplastics'19954,617,329'Pigmented thermoplastic resins'19864,217,424'Impact modification of polyglutarimides'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2007Patents assigned to ROHM & HAAS (6)· patent assignee history
1980–2007Based in Washington Crossing, PA, US· patent location history
1999Patents assigned to HOECHST AG (1)· patent assignee history
2007Based in Philadelphia, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS | 6 | 1980–2007 |
| HOECHST AG | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington Crossing, Pennsylvania, US | 6 | 1980–2007 |
| Philadelphia, Pennsylvania, US | 1 | 2007 |