Patent US2965678A successfully refreshed from Google Patents.
US2965678A
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Polyoxyethylene ethers of branched chain alcohols
Assignee: GAF Chemicals Corp
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Filing: 1951-12-28
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Granted: 1960-12-20
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Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Sundberg
- 👤 Cross James Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:02
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30; Y; Y10; Y10S; Y10S260/00; Y10S260/21; Y10S507/00; Y10S507/935; Y10S507/936; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A POLYOXYETHYLENE ETHER OF A PRIMARY MONOHYDRIC SATURATED ALIPHATIC ALCOHOL OF ABOUT 10 TO 20 CARBON ATOMS CONTAINING MORE THAN TWO SIDE CHAINS AND HAVING THE MOLECULAR CONFIGURATION OF AN ALCOHOL PRODUCED BY THE OXO PROCESS FROM A MONO-OLEFINIC HYDROCARBON OF ABOUT 9 TO 19 CARBON ATOMS CONTAINING AT LEAST TWO SIDE CHAINS, SAID ETHER CONTAINING 2 TO 9 OXYETHYLENE GROUPS PER MOLE.
Claim 2
Dependent Claim
63 words
A POLYOXYETHYLENE ETHER OF A PRIMARY MONOHYDRIC SATURATED ALIPHATIC ALCOHOL OF ABOUT 10 TO 20 CARBON ATOMS CONTAINING MORE THAN TWO SIDE CHAINS AND HAVING THE MOLECULAR CONFIGURATION OF AN ALCOHOL PRODUCED BY THE OXO PROCESS FROM A MONO-OLEFINIC HYDROCARBON OF ABOUT 9 TO 19 CARBON ATOMS CONTAINING AT LEAST TWO SIDE CHAINS, SAID ETHER CONTAINING 2 TO 9 OXYETHYLENE GROUPS PER MOLE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |