US4077991A
Expired / Lapsed
US
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Copolymers of glycidol and glycidyl esters
Assignee: Dow Chemical Co
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Filing: 1975-11-19
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Granted: 1978-03-07
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Expires: 1995-11-19
Abstract
Abstract New polymers are copolymers of glycidol, glycidyl esters of fatty acids, and, optionally, alkylene oxides. They are conveniently made by the reaction of a fatty acid with a polymer or copolymer of tert.-butyl glycidyl ether in the presence of an acid catalyst. They are useful as coatings, lubricants, plasticizers, textile antistatic agents and surfactants.
Inventors
- 👤 Violete L. Stevens
- 👤 Arthur R. Sexton
- 👤 Frederick P. Corson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
153 words
A compound of the formula R[(r'o) m X] n wherein R is the residue left by the removal of n active hydrogen atoms from an initiator for alkylene oxide polymerization; each R' independently is an alkylene radical selected from the group consisting of ethylene, trimethylene, tetramethylene, 1,2-butylene, 2,2-bis(halomethyl)-1,3-propylene, phenylethylene and groups of the formula --CH 2 CHCH 2 A each A independently is H, Cl, Br, or OX; each X independently is H or the acyl radical of a carboxylic acid free of α,β-unsaturation with the proviso that at least one R' is 3-hydroxy-1,2-propylene and at least one is a group of the formula --CH 2 , CH CH 2 OX wherein X is the acyl radical of a fatty acid comprised of at least three carbon atoms and free of α,β-unsaturation and m and n are integers such that the total number of R'O groups is at least 2, n being 1-8.
Claim 2
Dependent Claim
153 words
A compound of the formula R[(r'o) m X] n wherein R is the residue left by the removal of n active hydrogen atoms from an initiator for alkylene oxide polymerization; each R' independently is an alkylene radical selected from the group consisting of ethylene, trimethylene, tetramethylene, 1,2-butylene, 2,2-bis(halomethyl)-1,3-propylene, phenylethylene and groups of the formula --CH 2 CHCH 2 A each A independently is H, Cl, Br, or OX; each X independently is H or the acyl radical of a carboxylic acid free of α,β-unsaturation with the proviso that at least one R' is 3-hydroxy-1,2-propylene and at least one is a group of the formula --CH 2 , CH CH 2 OX wherein X is the acyl radical of a fatty acid comprised of at least three carbon atoms and free of α,β-unsaturation and m and n are integers such that the total number of R'O groups is at least 2, n being 1-8.
Claim 3
Dependent Claim
27 words
The compound of claim 1 wherein R is the residue of a hydroxy compound free of groups other than OH that are reactive with an alkylene oxide.
Claim 4
Dependent Claim
15 words
The compound of claim 2 wherein the hydroxy compound is water or an alkylene glycol.
Claim 5
Dependent Claim
39 words
The compound of claim 3 wherein the number of R' groups is at least 10, of which at least 3 are of the formula --CH 2 , CHCH 2 OX and about 20-80% of the X' are acyl radicals.
Claim 6
Dependent Claim
19 words
The compound of claim 4 wherein the acyl radicals are derived from an alkanoic acid of 3-20 carbon atoms.
Claim 7
Dependent Claim
12 words
The compound of claim 5 wherein the acid has 8-18 carbon atoms.
Claim 8
Dependent Claim
29 words
The compound of claim 1 wherein the initiator compound is water, an alkanol, alkenol, aralkanol, phenol, alkylene glycol or higher aliphatic polyol having up to 8 active hydrogen atoms.
Claim 9
Dependent Claim
12 words
The compound of claim 1 wherein n is not more than 3.
References Cited (Backward Citations)
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Cited
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US4014854A
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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) | 1981-03-06 | 1981-09-05 | 1982-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-06 | 1985-09-05 | 1986-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-06 | 1989-09-05 | 1990-03-07 | $7700.00 | Window Closed / Lapsed |