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US4192762A Expired / Lapsed US ⏱️ 0.0 years remaining

Radiation curable urethane compositions

Assignee: Union Carbide Corp
•
Filing: 1978-04-20
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Granted: 1980-03-11
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Expires: 1998-04-20
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Abstract

Abstract Radiation curable urethane compositions obtained by the reaction of an organic polyisocyanate, an hydroxyalkyl acrylyl compound and an hydroxyl compound. The compositions are useful in coatings, inks, adhesives and textile applications.

Inventors

  • 👤 Claiborn L. Osborn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:48
CPC Classifications
C; C09; C09D; C09D4/00; C08; C08F; C08F299/00; C08F299/02; C08F299/06; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/2815; C08G18/283; C08G18/67; C08G18/671; C08G18/672

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 136 words
A radiation curable urethane composition comprising the reaction product of (I) an organic polyisocyanate, (II) an hydroxyalkyl acrylate of the formula ##STR3## wherein Z is hydrogen or methyl and K is a divalent alkylene group of from 2 to 5 carbon atoms and (III) an hydroxyl compound of the formula: R(OC.sub.n H.sub.2n).sub.m OH wherein R is a member of the group of alkyl having from 1 to 25 carbon atoms, alkaryl or aralkyl having from 7 to carbon atoms, aryl having from 6 to 10 carbon atoms, or cycloalkyl having from 5 to 10 ring carbon atoms; n is an integer having a value of from 2 to 4; and m is an integer having a value of from 1 to 70; and wherein the mole percent of (II):(III) is from 50 to 98:50 to 2.
Claim 2
Dependent Claim 136 words
A radiation curable urethane composition comprising the reaction product of (I) an organic polyisocyanate, (II) an hydroxyalkyl acrylate of the formula ##STR3## wherein Z is hydrogen or methyl and K is a divalent alkylene group of from 2 to 5 carbon atoms and (III) an hydroxyl compound of the formula: R(OC.sub.n H.sub.2n).sub.m OH wherein R is a member of the group of alkyl having from 1 to 25 carbon atoms, alkaryl or aralkyl having from 7 to carbon atoms, aryl having from 6 to 10 carbon atoms, or cycloalkyl having from 5 to 10 ring carbon atoms; n is an integer having a value of from 2 to 4; and m is an integer having a value of from 1 to 70; and wherein the mole percent of (II):(III) is from 50 to 98:50 to 2.
Claim 3
Dependent Claim 23 words
A radiation curable urethane composition as claimed in claim 1, wherein the mole percent of (II):(III) is from 60 to 75:40 to 25.
Claim 4
Dependent Claim 16 words
A radiation curable urethane composition as claimed in claim 1, wherein component (I) is a diisocyanate.
Claim 5
Dependent Claim 39 words
A radiation curable urethane composition as claimed in claim 1, wherein component (I) is tolylene diisocyanate, component (II) is 2-hydroxyethyl acrylate and component (III) is an adduct of an alkylphenol with from 3 to 100 moles of ethylene oxide.
Claim 6
Dependent Claim 47 words
A radiation curable urethane composition as claimed in claim 1, wherein component (I) is tolylene diisocyanate, component (II) is 2-hydroxyethyl acrylate and component (III) is an adduct of a mixture of C 11 to C 15 linear alcohols with from 3 to 100 moles of ethylene oxide.

References Cited (Backward Citations)

US3297745A Cited
US3509234A Cited
US3891523A Cited
US3700643A Cited
US4098918A Cited
US4108840A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-03-11 1983-09-10 1984-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-03-11 1987-09-10 1988-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-03-11 1991-09-10 1992-03-11 $7700.00 Window Closed / Lapsed

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