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US3660152A Expired / Lapsed US ⏱️ 0.0 years remaining

Coated woven materials

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1970-05-21
•
Granted: 1972-05-02
•
Expires: 1990-05-21
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Abstract

Abstract A woven web of tapes made from a blend of from 50 to 90 percent of a crystalline polyolefine and from 10 to 50 percent of another polyolefine coated with a polyolefine based coating composition.

Inventors

  • 👤 Michael Lakin Cooper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:31
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/045; B; B32; B32B; B32B27/00; D03; D03D; D03D25/00; D06N2201/00; D06N2201/02; D06N2201/0254; D06N2201/12; D06N2209/00; D06N2209/12; D06N2209/121; D06N2209/125; D06N2209/126; D06N2209/128; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T442/00; Y10T442/30; Y10T442/3033; Y10T442/3041; Y10T442/3146

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 24 words
A laminated web according to claim 1 in which the polyethylene in the blend from which the tapes are made is a crystalline polyethylene.
Claim 2
Dependent Claim 18 words
A laminated web according to claim 1 in which the coating composition also contains a copolymer of ethylene.
Claim 3
Dependent Claim 17 words
A laminated web according to claim 1 in which the tapes which are interwoven are uniaxially oriented.
Claim 4
Dependent Claim 16 words
A laminated web as in claim 1 wherein the blend contains 10-30 percent by weight polyethylene.

References Cited (Backward Citations)

US2683138A Cited
US3036987A Cited
US2983704A Cited
US3200173A Cited
US3176052A Cited
US3218224A Cited
US3445055A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-02 1975-11-01 1976-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-02 1979-11-01 1980-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-02 1983-11-01 1984-05-02 $7700.00 Window Closed / Lapsed

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