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US3035009A Expired / Lapsed US ⏱️ 0.0 years remaining

Graft copolymers of monomeric acrylates and monomeric organic sulfonic acid compounds upon polyvinyllactams, acrylonitrile polymer compositions obtainable therewith, and method of preparation

Assignee: Dow Chemical Co
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Filing: 1957-11-25
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Granted: 1962-05-15
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Expires: 1977-11-25
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Abstract

No abstract record available.

Inventors

  • 👤 Stanley A Murdock
  • 👤 Clyde W Davis
  • 👤 Forrest A Ehlers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:10
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/08; D06M14/10; C; C08; C08F; C08F271/00; C08F271/02; C08L; C08L33/00; C08L33/18; C08L33/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 106 words
COMPOSITION COMPRISING A MAJOR PROPORTION OF AT LEAST ABOUT 80 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF (A) A FIBER FORMING POLYMER OF AN ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL CONTAINING AT LEAST ABOUT 80 PERCENT BY WEIGHT OF ARCYLONITRILE AND (B) A MINOR PROPORTION OF UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A GRAFT COPOLYMER OF (A) FROM ABOUT 10 TO 90 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE GRAFT COPOLYMER, OF A MIXTURE OF MONOMERS CONSISTING OF (1) FROM ABOUT 10 TO 90 MOLE PERCENT OF AN ACRYLATE MONOMER OF THE FORMULA;
Claim 2
Dependent Claim 106 words
COMPOSITION COMPRISING A MAJOR PROPORTION OF AT LEAST ABOUT 80 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF (A) A FIBER FORMING POLYMER OF AN ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL CONTAINING AT LEAST ABOUT 80 PERCENT BY WEIGHT OF ARCYLONITRILE AND (B) A MINOR PROPORTION OF UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A GRAFT COPOLYMER OF (A) FROM ABOUT 10 TO 90 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE GRAFT COPOLYMER, OF A MIXTURE OF MONOMERS CONSISTING OF (1) FROM ABOUT 10 TO 90 MOLE PERCENT OF AN ACRYLATE MONOMER OF THE FORMULA;

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-14 1965-11-13 1966-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-14 1969-11-13 1970-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-14 1973-11-13 1974-05-15 $7700.00 Window Closed / Lapsed

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