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US2585035A
Expired / Lapsed
US
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Unsaturated ethers of polyhydric alcohols and polymers thereof
Assignee: General Mills Inc
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Filing: 1946-10-24
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Granted: 1952-02-12
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Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 Roach John Robert
- 👤 Wittcoff Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:41
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A NON-HYDROPHILIC, READILY POLYMERIZABLE, UNSATURATED LIQUID ETHER OF A HIGHLY FUNCTIONAL CROSS-LINKED ALCOHOL, SAID HIGHLY FUNCTIONAL ALCOHOL RESULTING FROM THE ALKYLATION OF A POLYHYDROXY COMPOUND WITH AN ALKYLATING AGENT CONTAINING A PLURALITY OF ALKYLATING FUNCTIONS, THE TOTAL NUMBER OF GROUPS CAPABLE OF ENTERING THE ALKYLATION REACTION BEING AT LEAST 5, SAID HIGHLY FUNCTIONAL ALCOHOL BEING AT LEAST ABOUT 75% ETHERIFIED WITH AN UNSATURATED LOW MOLECULAR WEIGHT ALIPHATIC GROUP CONTAINING FROM 2-7 CARBON ATOMS, SAID ALIPHATIC GROUP CONTAINING AT LEAST ONE UNSATURATED CARBON TO CARBON LINKAGE NOT MORE THAN THREE CARBON ATOMS REMOVED FROM THE ETHER LINKAGE.
Claim 2
Dependent Claim
96 words
A NON-HYDROPHILIC, READILY POLYMERIZABLE, UNSATURATED LIQUID ETHER OF A HIGHLY FUNCTIONAL CROSS-LINKED ALCOHOL, SAID HIGHLY FUNCTIONAL ALCOHOL RESULTING FROM THE ALKYLATION OF A POLYHYDROXY COMPOUND WITH AN ALKYLATING AGENT CONTAINING A PLURALITY OF ALKYLATING FUNCTIONS, THE TOTAL NUMBER OF GROUPS CAPABLE OF ENTERING THE ALKYLATION REACTION BEING AT LEAST 5, SAID HIGHLY FUNCTIONAL ALCOHOL BEING AT LEAST ABOUT 75% ETHERIFIED WITH AN UNSATURATED LOW MOLECULAR WEIGHT ALIPHATIC GROUP CONTAINING FROM 2-7 CARBON ATOMS, SAID ALIPHATIC GROUP CONTAINING AT LEAST ONE UNSATURATED CARBON TO CARBON LINKAGE NOT MORE THAN THREE CARBON ATOMS REMOVED FROM THE ETHER LINKAGE.
References Cited (Backward Citations)
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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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |