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US3598693A Expired / Lapsed US ⏱️ 0.0 years remaining

Molding composition

Assignee: Monsanto Co
•
Filing: 1967-09-05
•
Granted: 1971-08-10
•
Expires: 1987-09-05
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Abstract

Abstract A MOLDING COMPOSITION COMPRISING GRAINS EACH CONTAINING A PLURALITY OF REINFORCING FIBERS IN PARALLEL ARRANGEMENT AND EMBEDDED IN AND BONDED TOGETHER BY A THERMOSETTABLE RESIN WHICH ALSO ENVELOPS SAID PLURALITY OF BONDED FIBERS; THE METHOD OF PREPARING THE COMPOSITION BY CONTACTING AN AQUEOUS SLURRY OF THE FIBERS WITH A LIQUID, THERMOSETTABLE RESIN AND A CURING AGENTTHEREFOR, ADVANCING THE RESIN TO A SOLID, FUSIBLE STAGE, AND RECOVERING SAID COMPOSITION FROM THE RESULTING REACTION MIXTURE; THE HEAT -CURABLE EXTRUDATE OBTAINED FROM SAID COMPOSITION, AND THE METHOD OF PREPARING THE EXTRUDATE .

Inventors

  • 👤 Harry M Andersen
  • 👤 John D Calfee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:08
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/12; B29B9/14; C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10S273/23; Y10T; Y10T428/00; Y10T428/249921; Y10T428/31504; Y10T428/31511; Y10T428/31652

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-09 1975-02-08 1975-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-09 1979-02-08 1979-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-09 1983-02-08 1983-08-10 $7700.00 Window Closed / Lapsed

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