US2692250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychloroprene stabilized with a hydroxylamine
Assignee: EIDP Inc
•
Filing: 1952-06-14
•
Granted: 1954-10-19
•
Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Henry C Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
POLYCHLOROPRENE CONTAINING MINOR AMOUNTS OF A HYDROXYLAMINE OF THE FORMULA R-O-NH2, WHEREIN R IS A MEMBER OF THE GROUP CONSISTING OF ALKYL AND ARALKYL AND C1 AND BR SUBSTITUTED ARALKYL RADICALS CONTAINING AT LEAST 7 CARBON ATOMS.
Claim 2
Dependent Claim
37 words
POLYCHLOROPRENE CONTAINING MINOR AMOUNTS OF A HYDROXYLAMINE OF THE FORMULA R-O-NH2, WHEREIN R IS A MEMBER OF THE GROUP CONSISTING OF ALKYL AND ARALKYL AND C1 AND BR SUBSTITUTED ARALKYL RADICALS CONTAINING AT LEAST 7 CARBON ATOMS.
References Cited (Backward Citations)
US2013941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |