US3033816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of glycidyl ether compositions
Assignee: Individual
•
Filing: 1958-10-03
•
Granted: 1962-05-08
•
Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Price
- 👤 William J Belanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:56
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C07D303/24; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF PRODUCING COMPOSITE GLYCIDYL ETHERS OF ALIPHATIC ALCOHOLS AND PHENOLS WHICH COMPRISES FORMING A MIXTURE OF A CHLOHYDRIN ETHER OF AN ALCOHOL, A PHENOL, AND AN EXCESS OF EPICHLOROHYDRIN, AND SUBJECTING THE MIXTURE TO A DEHYDROHALOGENATING REACTION WITH AN ALKALINE DEHYDROHALOGENATING AGENT, THE AMOUNT OF ALKALINE DEHYDROHALOGENATION AGENT BEING SUFFICIENT TO EFFECT DEHYDROHALOGENATION OF THE CHLOROHYDRIN ETHER AND REACTION OF PART OF THE EXCESS EPICHLOROHYDRIN WITH THE PHENOL, AND THE AMOUNT OF EXCESS EPICHLOROHYDRIN FOR EQUIVALENT TO AT LEAST ONE MOLE OF EPICHLOROHYDRIN FOR EACH MOLE OF EPICHLOROHYDRIN RESIDUE PRESENT IN THE GLYCIDYL ETHERS OF BOTH THE ALIPHATIC ALCOHOLS AND PHENOLS.
Claim 2
Independent Claim
103 words
THE METHOD OF PRODUCING COMPOSITE GLYCIDYL ETHERS OF ALIPHATIC ALCOHOLS AND PHENOLS WHICH COMPRISES FORMING A MIXTURE OF A CHLOHYDRIN ETHER OF AN ALCOHOL, A PHENOL, AND AN EXCESS OF EPICHLOROHYDRIN, AND SUBJECTING THE MIXTURE TO A DEHYDROHALOGENATING REACTION WITH AN ALKALINE DEHYDROHALOGENATING AGENT, THE AMOUNT OF ALKALINE DEHYDROHALOGENATION AGENT BEING SUFFICIENT TO EFFECT DEHYDROHALOGENATION OF THE CHLOROHYDRIN ETHER AND REACTION OF PART OF THE EXCESS EPICHLOROHYDRIN WITH THE PHENOL, AND THE AMOUNT OF EXCESS EPICHLOROHYDRIN FOR EQUIVALENT TO AT LEAST ONE MOLE OF EPICHLOROHYDRIN FOR EACH MOLE OF EPICHLOROHYDRIN RESIDUE PRESENT IN THE GLYCIDYL ETHERS OF BOTH THE ALIPHATIC ALCOHOLS AND PHENOLS.
References Cited (Backward Citations)
US2581464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |