Inventor
Joseph Richard Wetzel
Inventor
Watervliet, NY, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds42%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%
C07JSteroids8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G11BInformation storage based on relative movement between record carrier and transducer8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
6,686,201'Chemically-resistant sensor devices, and systems and methods for using same'20046,414,200'Silylmethanethiols as promoters for bisphenol production'20026,197,916'Method for preparing bisphenol A'20016,001,953'Polycarbonates suitable for use in optical articles'19995,990,362'Method for preparing bisphenol A'19995,723,689'Process for recovering bisphenols'19985,721,280'Method for depolymerizing polyimides and recovering reagents therefrom'19985,134,135'Antiandrogenic sulfonylsteroidooxazoles'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to STERLING DRUG INC (1)· patent assignee history
1992Based in Colonie, NY, US· patent location history
1998–2004Patents assigned to GEN ELECTRIC (7)· patent assignee history
1998–2002Based in Watervliet, NY, US· patent location history
1998–2004Based in Latham, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 7 | 1998–2004 |
| STERLING DRUG INC | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Watervliet, New York, US | 4 | 1998–2002 |
| Latham, New York, US | 3 | 1998–2004 |
| Colonie, New York, US | 1 | 1992 |