US2886542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resins
Assignee: Atlantic Richfield Co
•
Filing: 1954-10-06
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Granted: 1959-05-12
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Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 Kremer Charles Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:27
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/04; C08G12/10; C08G12/12; C08L; C08L61/00; C08L61/20; C08L61/22; C08L61/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
A RESIN COMPRISING THE CONDENSATION PRODUCT OF A HYDROCARBON ADDUCT SELECTED FROM THE GROUP CONSISTING OF UREA-NORMAL PARAFFINIC HYDROCARBON, UREA-NORMAL OLEFINIC HYDROCARBON, THIOUREA-ISOPARAFFINIC HYDROCARBON, THIOUREAISOOLEFINIC HYDROCARBON, THIOUREA-NAPTHENIC HYDROCARBON AND THIOUREA-CYCLOPARAFFINIC HYDROCARBON ADDUCTS WITH FORMALDEHYDE, WHEREIN THE HYDROCARBONS FORMING THE AD-
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |