US2873262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel alkyd resins prepared from indandicarboxylic acids and the process of preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1955-10-10
•
Granted: 1959-02-10
•
Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 John C Petropoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:21
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/181; C08G63/185; C08F; C08F283/00; C08F283/01; C08G63/123; C08G63/127; C08G63/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A PROCESS FOR THE PREPARATION OF AN ALKYD RESIN COMPRISING REACTING A POLYHYDRIC ALCOHOL WITH A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
21 words
A PROCESS FOR THE PREPARATION OF AN ALKYD RESIN COMPRISING REACTING A POLYHYDRIC ALCOHOL WITH A COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |