US3376281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated hydroxyl-containing compositions and urethane polymers prepared therefrom
Assignee: Union Carbide Corp
•
Filing: 1965-09-13
•
Granted: 1968-04-02
•
Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Cox
- 👤 Robert J Knopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5003; C08G18/5006; C08G18/5009; C08G18/487; C08G18/4879
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A COMPSOITION OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPSOITION OF THE FORMULA:
Claim 3
Dependent Claim
20 words
THE COMPOSITION OF CLAIM 1 WHEREIN THE ALKYLENE OXIDE ADDUCT OF SUB-PARAGRAPH (A) IS AN ALKYLENE OXIDE ADDUCT OF SUCROSE.
References Cited (Backward Citations)
US3123580A
Cited
US2913499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |