US3419642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of phosphorus-containing acid, halogenated epoxide, and dicarboxylic acid
Assignee: Union Carbide Corp
•
Filing: 1962-05-31
•
Granted: 1968-12-31
•
Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Mcgary
- 👤 Percy L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:15
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C08F; C08F30/00; C08F30/02; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/46; C08G18/4684; C08G18/67; C08G18/68; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN ESTER OF THE FORMULA
Claim 2
Dependent Claim
5 words
AN ESTER OF THE FORMULA
References Cited (Backward Citations)
US2583356A
Cited
US2796413A
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US2949441A
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US3060137A
Cited
US3067150A
Cited
US3061625A
Cited
US3081331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |