Patent US3170959A successfully refreshed from Google Patents.
US3170959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allyloxymethyl diaromatic ethers
Assignee: Dow Chemical Co
•
Filing: 1961-05-01
•
Granted: 1965-02-23
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Walter B Trapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:54
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/23; C07C43/257; C07C43/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF PARA-ALLYLOXYMETHYL DIPHENYL OXIDE, PARA-2METHYLALLYLOXYMETHYL DIPHENYL OXIDE, 4,4''-DI(ALLYLOXYMETHYL) DIPHENYL OXIDE, 4,4''-DI(2-METHYL-ALLYLOXYMETHYL) DIPHENYL OXIDE, 2,4''-DI(ALLYLOXYMETHYL) DIPHENYL OXIDE.
Claim 2
Dependent Claim
25 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF PARA-ALLYLOXYMETHYL DIPHENYL OXIDE, PARA-2METHYLALLYLOXYMETHYL DIPHENYL OXIDE, 4,4''-DI(ALLYLOXYMETHYL) DIPHENYL OXIDE, 4,4''-DI(2-METHYL-ALLYLOXYMETHYL) DIPHENYL OXIDE, 2,4''-DI(ALLYLOXYMETHYL) DIPHENYL OXIDE.
References Cited (Backward Citations)
US2170809A
Cited
US2170989A
Cited
US2493711A
Cited
US2821551A
Cited
US2881150A
Cited
US2875251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |