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US2899351A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoplastic paper

Assignee: —
•
Filing: —
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Granted: 1959-08-11
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Expires: 1976-08-11
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 03:35
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 139 words
THERMOPLASTIC PAPER COMPRISING FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF CELLULOSIC FIBERS, FROM ABOUT 60 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SYNTHETIC VINYL RESIN FIBERS, SAID VINYL RESIN BEING A COPOLYMERIZATION PRODUCT OF FROM ABOUT 40% TO ABOUT 60% VINYL CHLORIDE AND FROM ABOUT 60% TO ABOUT 40% ACRYLONITRILE, AND FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF A SECOND VINYL RESIN, SAID SECOND VINYL RESIN BEING A COPOLYMERIZATION PRODUCT COMPRISING VINYL CHLORIDE, VINYL ACETATE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE LOWER ALIPHATIC UNSATURATED DIBASIC ACIDS AND ANHYDRIDES THEREOF, SAID VINYL CHLORIDE AND SAID VINYL ACETATE BEING IN MONOMERIC PROPORTIONS OF FROM ABOUT 4:1 TO ABOUT 40:1 AND SAID DIBASIC ACIDS AND ANHYDRIDES BEING PRESENT IN AN AMOUNT FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT.
Claim 2
Dependent Claim 139 words
THERMOPLASTIC PAPER COMPRISING FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF CELLULOSIC FIBERS, FROM ABOUT 60 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SYNTHETIC VINYL RESIN FIBERS, SAID VINYL RESIN BEING A COPOLYMERIZATION PRODUCT OF FROM ABOUT 40% TO ABOUT 60% VINYL CHLORIDE AND FROM ABOUT 60% TO ABOUT 40% ACRYLONITRILE, AND FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF A SECOND VINYL RESIN, SAID SECOND VINYL RESIN BEING A COPOLYMERIZATION PRODUCT COMPRISING VINYL CHLORIDE, VINYL ACETATE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE LOWER ALIPHATIC UNSATURATED DIBASIC ACIDS AND ANHYDRIDES THEREOF, SAID VINYL CHLORIDE AND SAID VINYL ACETATE BEING IN MONOMERIC PROPORTIONS OF FROM ABOUT 4:1 TO ABOUT 40:1 AND SAID DIBASIC ACIDS AND ANHYDRIDES BEING PRESENT IN AN AMOUNT FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT.

References Cited (Backward Citations)

US2253000A Cited
US2526125A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-10 1963-02-09 1963-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-10 1967-02-09 1967-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-10 1971-02-09 1971-08-11 $7700.00 Window Closed / Lapsed

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