US3102874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diglycidyl ethers of 2,2,2-trichloroethylidene bisphenols
Assignee: Dow Chemical Co
•
Filing: 1960-07-15
•
Granted: 1963-09-03
•
Expires: 1980-07-15
Abstract
No abstract record available.
Inventors
- 👤 Bart J Bremmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:47
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07C; C07C37/00; C07C37/11; C07C37/16; C07C37/20; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
AN EPOXY RESIN COMPOSITION CONSISTING OF AT LEAST ONE ISOMER SELECTED FROM THE GROUP CONSISTING OF THE NUCLEAR SUBSTITUTED 2,2,2-TRICHLORO-1,1-BIS(4,4''- 2,3-EPOXYPROPOXY!PHENYL)ETHANE THE NUCLEAR SUBSTITUTED 2,2,2-TRICHLORO - 1,1- BIS(2,2''- 2,3-EPOXYPROPOXY!PHENYL)ETHANE, AND THE NUCLEAR SUBSTITUTED 2,2,2-TRICHLORO-1,1-BIS(2,4'' 2,3-EPOXYPROPOXY!PHENYL)ETHANE REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
40 words
AN EPOXY RESIN COMPOSITION CONSISTING OF AT LEAST ONE ISOMER SELECTED FROM THE GROUP CONSISTING OF THE NUCLEAR SUBSTITUTED 2,2,2-TRICHLORO-1,1-BIS(4,4''- 2,3-EPOXYPROPOXY!PHENYL)ETHANE THE NUCLEAR SUBSTITUTED 2,2,2-TRICHLORO - 1,1- BIS(2,2''- 2,3-EPOXYPROPOXY!PHENYL)ETHANE, AND THE NUCLEAR SUBSTITUTED 2,2,2-TRICHLORO-1,1-BIS(2,4'' 2,3-EPOXYPROPOXY!PHENYL)ETHANE REPRESENTED BY 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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |