Patent US3847992A successfully refreshed from Google Patents.
US3847992A
Expired / Lapsed
US
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Partially aminated polyoxyalkylene polyols
Assignee: Texaco Inc
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Filing: 1973-03-12
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Granted: 1974-11-12
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Expires: 1993-03-12
Abstract
Abstract 1. A PARTIALLY AMINATED POLYOXYALKYLENE POLYOL HAVING A FUNCTIONALITY OF FROM 2 TO 8 AND A HYDROXYL NUMBER OF ABOUT 20 TO 60 WHEREIN THE REACTIVE GROUPS OF SAID PARTIALLY AMINTED POLYOL COMPRISE FROM ABOUT 15 PERCENT TO ABOUT 55 PERCENT AMINE GROUPS AND FROM ABOUT 45 PERCENT TO ABOUT 85 PERCENT PRIMARY HYDROXYL GROUPS.
Inventors
- 👤 P Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:10
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/321; C08G65/325; C08G65/3255; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4833; C08G18/4837; C08G18/4841; C08G18/50; C08G18/5021; C08G18/5024; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PARTIALLY AMINATED POLYOXYALKYLENE POLYOL HAVING A FUNCTIONALITY OF FROM 2 TO 8 AND A HYDROXYL NUMBER OF ABOUT 20 TO 60 WHEREIN THE REACTIVE GROUPS OF SAID PARTIALLY AMINTED POLYOL COMPRISE FROM ABOUT 15 PERCENT TO ABOUT 55 PERCENT AMINE GROUPS AND FROM ABOUT 45 PERCENT TO ABOUT 85 PERCENT PRIMARY HYDROXYL GROUPS.
Claim 2
Dependent Claim
54 words
A PARTIALLY AMINATED POLYOXYALKYLENE POLYOL HAVING A FUNCTIONALITY OF FROM 2 TO 8 AND A HYDROXYL NUMBER OF ABOUT 20 TO 60 WHEREIN THE REACTIVE GROUPS OF SAID PARTIALLY AMINTED POLYOL COMPRISE FROM ABOUT 15 PERCENT TO ABOUT 55 PERCENT AMINE GROUPS AND FROM ABOUT 45 PERCENT TO ABOUT 85 PERCENT PRIMARY HYDROXYL GROUPS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |