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US4260703A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel urethane-acrylate and radiation curable compositions

Assignee: Union Carbide Corp
•
Filing: 1979-10-26
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Granted: 1981-04-07
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Expires: 1999-10-26
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Abstract

Abstract Novel ester diol alkoxylate urethane-acrylates comprising the reaction products of an ester diol alkoxylate, such as 2,2-dimethyl-3-hydroxypropyl 2,2-dimethyl-3-hydroxypropionate, and an organic polyiosocyanate, capped by an hydroxyalkyl acrylate and curable compositions thereof.

Inventors

  • 👤 Leonard E. Hodakowski
  • 👤 Joseph V. Koleske

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:37
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/671; C08G18/672; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; C08F20/36; Y; Y10; Y10S; Y10S525/00; Y10S525/92

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 114 words
Urethane acrylate ester diol alkoxylates comprising the reaction products of (A) an ester diol alkoxylate of the formula: ##STR4## wherein m is an integer having a value of from 2 to 4; n is an integer having a value of from 1 to 5; x and y are each integers having a value of from 1 to 20; and R is an unsubstituted or substituted, linear or branched alkyl group having from 1 to 8 carbon atoms, (B) an organic polyisocyanate, and (C) a hydroxyalkyl acrylyl compound of the formula: ##STR5## wherein Z is hydrogen or methyl and R' is a linear or branched divalent alkylene group having from 2 to 8 carbon atoms.
Claim 2
Dependent Claim 114 words
Urethane acrylate ester diol alkoxylates comprising the reaction products of (A) an ester diol alkoxylate of the formula: ##STR4## wherein m is an integer having a value of from 2 to 4; n is an integer having a value of from 1 to 5; x and y are each integers having a value of from 1 to 20; and R is an unsubstituted or substituted, linear or branched alkyl group having from 1 to 8 carbon atoms, (B) an organic polyisocyanate, and (C) a hydroxyalkyl acrylyl compound of the formula: ##STR5## wherein Z is hydrogen or methyl and R' is a linear or branched divalent alkylene group having from 2 to 8 carbon atoms.
Claim 3
Dependent Claim 32 words
Urethane acrylate ester diol alkoxylates as claimed in claim 1, wherein component (A) is the adduct of 2,2-dimethyl-3-hydroxypropyl 2,2-dimethyl-3-hydroxypropionate and the average sum of x plus y is from 2 to 20.
Claim 4
Dependent Claim 20 words
Urethane acrylate ester diol alkoxylates as claimed in claim 2 wherein the average sum of x plus y is 2.
Claim 5
Dependent Claim 20 words
Urethane acrylate ester diol alkoxylates as claimed in claim 2 wherein the average sum of x plus y is 4.
Claim 6
Dependent Claim 20 words
Urethane acrylate ester diol alkoxylates as claimed in claim 2 wherein the average sum of x plus y is 6.
Claim 7
Dependent Claim 16 words
Urethane acrylate ester diol alkoxylates as claimed in claim 1 wherein component (B) is tolylene diisocyanate.
Claim 8
Dependent Claim 16 words
Urethane acrylate ester diol alkoxylates as claimed in claim 1 wherein component (B) is isophorone diisocyanate.
Claim 9
Dependent Claim 16 words
Urethane acrylate ester diol alkoxylates as claimed in claim 1 wherein component (C) is 2-hydroxyethyl acrylate.
Claim 10
Dependent Claim 27 words
A radiation curable composition comprising the urethane acrylate ester diol alkoxylate of claim 1 and from about 0.1 to about 10 weight percent thereof of a photoinitiator.

References Cited (Backward Citations)

USRE29131E Cited
US4034017A Cited
US4129709A Cited
US4163114A Cited
US4111769A Cited
US4188455A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-04-06 1984-10-06 1985-04-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-04-06 1988-10-06 1989-04-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-04-06 1992-10-06 1993-04-07 $7700.00 Window Closed / Lapsed

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