Patent US4633010A successfully refreshed from Google Patents.
US4633010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary aralkyl triurethane
Assignee: Wyeth Holdings LLC
•
Filing: 1982-12-27
•
Granted: 1986-12-30
•
Expires: 2002-12-27
Abstract
Abstract 1,3,5-Tris(1-isocyanatomethylethyl)benzene is disclosed as a component in coating formulations and the like.
Inventors
- 👤 Balwant Singh
- 👤 Peter S. Forgione
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:00
CPC Classifications
C; C07; C07C; C07C265/00; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7614; C08G18/7628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A compound of the formula: ##STR3##
Claim 2
Dependent Claim
6 words
A compound of the formula: ##STR3##
References Cited (Backward Citations)
US3290350A
Cited
US3644536A
Cited
US3919278A
Cited
US4276228A
Cited
US4338256A
Cited
US4361518A
Cited
US4399074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-12-29 | 1990-06-30 | 1990-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-29 | 1994-06-30 | 1994-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-29 | 1998-06-30 | 1998-12-30 | $7700.00 | Window Closed / Lapsed |