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Polymer composition

Assignee: Dow Mitsui Polychemicals Co Ltd
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Filing: 1984-10-01
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Granted: 1985-07-30
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Expires: 2004-10-01
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Abstract

Abstract A polymer composition comprising an ethylene-vinyl acetate-carbon monoxide copolymer and a nitrogen-containing or an alicyclic epoxy compound, and a foamable polymer composition comprising an ethylene-vinyl acetate-carbon monoxide copolymer, a heat-decomposable organic blowing agent having a decomposition temperature of at least 90° C., and a nitrogen-containing or an alicyclic epoxy compound.

Inventors

  • 👤 Seiichi Tada

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:39
CPC Classifications
C; C08; C08L; C08L73/00; C08J; C08J9/00; C08J9/0061; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08K5/16; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L63/00

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 28 words
A polymer composition comprising an ethylenevinyl acetate-carbon monoxide copolymer and an epoxy compound selected from the group consisting of a nitrogen-containing epoxy compound and an alicyclic epoxy compound.
Claim 2
Dependent Claim 28 words
A polymer composition comprising an ethylenevinyl acetate-carbon monoxide copolymer and an epoxy compound selected from the group consisting of a nitrogen-containing epoxy compound and an alicyclic epoxy compound.
Claim 3
Dependent Claim 20 words
The polymer composition of claim 1 wherein the epoxy compound is an epoxy compound containing a mono- or di-glycidylamino group.
Claim 4
Dependent Claim 13 words
The polymer composition of claim 1 wherein the epoxy compound is triglycidyl isocyanurate.
Claim 5
Dependent Claim 28 words
The polymer composition of claim 1 wherein the amount of the epoxy compound is 0.5 to 5 parts by weight per 100 parts by weight of the copolymer.
Claim 6
Dependent Claim 28 words
The polymer composition of claim 1 wherein the amount of the epoxy compound is 1 to 2 parts by weight per 100 parts by weight of the copolymer.
Claim 7
Dependent Claim 17 words
The polymer composition of claim 1 which further comprises another organic polymer having compatibility with said copolymer.
Claim 8
Dependent Claim 16 words
The polymer composition of claim 6 wherein the other organic polymer is a vinyl chloride polymer.

References Cited (Backward Citations)

US3657202A Cited
US3684778A Cited
US3780140A Cited
US4070532A Cited
US4157428A Cited
US4275181A Cited
US4370423A Cited
US4394459A Cited
US4391922A Cited
US4391923A Cited
US4434253A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-07-29 1989-01-28 1989-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-07-29 1993-01-28 1993-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-07-29 1997-01-28 1997-07-30 $7700.00 Window Closed / Lapsed

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