US3049523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozonolysis of polychloroprene
Assignee: EIDP Inc
•
Filing: 1960-02-15
•
Granted: 1962-08-14
•
Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Philip A Roussel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:15
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/32; C; C08; C08C; C08C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS FOR THE PREPARTION OF A POLYMER HAVING THE FORMULA
Claim 2
Dependent Claim
11 words
A PROCESS FOR THE PREPARTION OF A POLYMER HAVING THE FORMULA
References Cited (Backward Citations)
US2450858A
Cited
US2811551A
Cited
US2870200A
Cited
US2877212A
Cited
US2848478A
Cited
US2858323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |