Inventor
Lothar S. Sander
Inventor
Princeton, NJ, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material56%
B05DProcesses for applying fluent materials to surfaces, in general22%
C09DCoating compositions, e.g. paints, varnishes or lacquers22%
PatentTitleYear
5,612,421'Methods and compositions for pretreatment of metals'19975,518,770'Methods and compositions for pretreatment of metals'19965,129,967'Composition and method for non-chromate coating of aluminum'19924,921,552'Composition and method for non-chromate coating of aluminum'19904,475,957'Coating composition'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to AMCHEM PROD (1)· patent assignee history
1984–1997Based in Princeton, NJ, US· patent location history
1990–1996Patents assigned to BETZ LABORATORIES (3)· patent assignee history
1997Patents assigned to BETZDEARBORN INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BETZ LABORATORIES | 3 | 1990–1996 |
| AMCHEM PROD | 1 | 1984 |
| BETZDEARBORN INC | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Princeton, New Jersey, US | 5 | 1984–1997 |