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US4325831A Expired / Lapsed US ⏱️ 0.0 years remaining

Foamable composition

Assignee: Union Carbide Corp
•
Filing: 1981-03-12
•
Granted: 1982-04-20
•
Expires: 2001-03-12
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Abstract

Abstract A fast curing foamable composition useful for the production of fabric-like materials comprises a resin or latex formulation and a mixture of a highly ethoxylated alkylphenol, an alkali metal N-alkyl sulfosuccinamate and an alkali metal alkyl sulfate.

Inventors

  • 👤 Stuart L. Watson
  • 👤 Paul M. Westfall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:31
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0043; D06N3/005; C; C08; C08J; C08J9/00; C08J9/30; C09; C09K; C09K23/00; C09K23/017; D06N3/0045; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 145 words
A foamable mixture comprising: (a) 2 to 20 parts of a highly ethoxylated alkylphenol of the formula: ##STR3## wherein R is a saturated or unsaturated, linear or branched alkyl having from 7 to 20 carbon atoms and x has an average value of from 20 to 200; (b) 2 to 20 parts of an alkali metal N-alkyl sulfosuccinamate of the formula: ##STR4## wherein R' is a saturated or unsaturated, linear or branched alkyl having from 16 to 24 carbon atoms and M is hydrogen or an alkali metal atom with the proviso that at least one M group is an alkali metal atom; and (c) 3 to 40 parts of an alkali metal alkyl sulfate of the formula: R"OSO.sub.3 M wherein R" is a saturated or unsaturated, linear or branched alkyl having from 7 to 24 carbon atoms and M' is an alkali metal atom.
Claim 2
Dependent Claim 145 words
A foamable mixture comprising: (a) 2 to 20 parts of a highly ethoxylated alkylphenol of the formula: ##STR3## wherein R is a saturated or unsaturated, linear or branched alkyl having from 7 to 20 carbon atoms and x has an average value of from 20 to 200; (b) 2 to 20 parts of an alkali metal N-alkyl sulfosuccinamate of the formula: ##STR4## wherein R' is a saturated or unsaturated, linear or branched alkyl having from 16 to 24 carbon atoms and M is hydrogen or an alkali metal atom with the proviso that at least one M group is an alkali metal atom; and (c) 3 to 40 parts of an alkali metal alkyl sulfate of the formula: R"OSO.sub.3 M wherein R" is a saturated or unsaturated, linear or branched alkyl having from 7 to 24 carbon atoms and M' is an alkali metal atom.
Claim 3
Dependent Claim 52 words
A foamable mixture as claimed in claim 1, wherein: (i) component (a) is present at a concentration of from 2.25 to 18.5 phr; (ii) component (b) is present at a concentration of from 2.25 to 17 phr; and (iii) component (c) is present at a concentration of from 4.5 to 32.5 phr.
Claim 4
Dependent Claim 52 words
A foamable mixture as claimed in claim 1, wherein (i) component (a) is present at a concentration of from 6 to 12.5 phr; (ii) component (b) is present at a concentration of from 5.4 to 14 phr; and (iii) component (c) is present at a concentration of from 12 to 24 phr.
Claim 5
Dependent Claim 49 words
A foamable mixture as claimed in claim 1, wherein R is a linear alkyl group having from 8 to 12 carbon atoms; R' is a linear alkyl group having from 18 to 20 carbon atoms; and R" is a linear alkyl group havig from 8 to 15 carbon atoms.
Claim 6
Dependent Claim 25 words
A foamable mixture as claimed in claim 1, wherein x has an average value of from 40 to 100 and M is sodium or potassium.
Claim 7
Dependent Claim 26 words
A foamable mixture as claimed in claim 1, wherein component (a) is ethoxylated nonylphenol in which x has an average value of from 40 to 100.
Claim 8
Dependent Claim 15 words
A foamable mixture as claimed in claim 1, wherein component (b) is disodium N-octadecyl sulfosuccinamate.
Claim 9
Dependent Claim 15 words
A foamable mixture as claimed in claim 1, wherein component (c) is sodium hexadecyl sulfate.
Claim 10
Dependent Claim 27 words
A foamable mixture as claimed in claim 1 comprising ethoxylated nonylphenol in which x has an average value of 40; disodium N-octadecyl sulfosuccinamate; and sodium hexadecyl sulfate.

References Cited (Backward Citations)

US3215647A Cited
US3491033A Cited
US3577554A Cited
US3607341A Cited
US4099913A Cited
US4198316A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-04-19 1985-10-19 1986-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-04-19 1989-10-19 1990-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-04-19 1993-10-19 1994-04-20 $7700.00 Window Closed / Lapsed

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