US3467719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycols containing two hydroxymethylcyclohexyl groups
Assignee: EIDP Inc
•
Filing: 1963-03-13
•
Granted: 1969-09-16
•
Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Robert G Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:53
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN ESTER-FORMING GLYCOL SELECTED FROM THE CLASS CONSISTING OF THE GLYCOL, BIS(4-HYDROXYMETHYLCYCLOHEXYL) ETHER; AND COMPOUNDS HAVING THE GENERAL FORMULA,
Claim 2
Dependent Claim
19 words
AN ESTER-FORMING GLYCOL SELECTED FROM THE CLASS CONSISTING OF THE GLYCOL, BIS(4-HYDROXYMETHYLCYCLOHEXYL) ETHER; AND COMPOUNDS HAVING THE GENERAL FORMULA,
References Cited (Backward Citations)
US3227682A
Cited
US3334149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |