US3350460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the preparation of glycerol alpha ethers and thio ethers
Assignee: Lever Brothers Co
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Filing: 1966-06-06
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Granted: 1967-10-31
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Lamberti Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:03
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/32; C07; C07C; C07C323/00; C11D3/00; C11D3/16; C11D3/20; C11D3/2093; C11D3/34; C11D3/3427; C11D9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD FOR THE PREPARATION OF ALPHA-SUBSTITUED GLYCEROL ETHERS AND THIOETHERS WHICH COMPRISES: (1) REACTING AN ETHER OF A GLYCEROL ALPHA-CHLOROHYDRIN WITH AN ALKALI METAL OR ALKALINE EARTH METAL SALT OF A LONG CHAIN FATTY ACID AND (2) THEREAFTER HEATING THE PRODUCT WITH AN ALKALINE AGENT TO EFFECT HYDROLYSIS.
Claim 2
Independent Claim
49 words
A METHOD FOR THE PREPARATION OF ALPHA-SUBSTITUED GLYCEROL ETHERS AND THIOETHERS WHICH COMPRISES: (1) REACTING AN ETHER OF A GLYCEROL ALPHA-CHLOROHYDRIN WITH AN ALKALI METAL OR ALKALINE EARTH METAL SALT OF A LONG CHAIN FATTY ACID AND (2) THEREAFTER HEATING THE PRODUCT WITH AN ALKALINE AGENT TO EFFECT HYDROLYSIS.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |