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US3567671A Expired / Lapsed US ⏱️ 0.0 years remaining

Tack-free impregnated glass fiber reinforcement for elastomeric materials

Assignee: Owens Corning
•
Filing: 1966-11-17
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Granted: 1971-03-02
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Expires: 1986-11-17
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Abstract

Abstract THE INVENTION IS ADDRESSED TO GLASS FIBERS TREATED TO IMPROVE THEIR COMBINATION WITH ELASTOMERIC MATERIALS IN THE MANUFACTURE OF GLASS FIBER REINFORCED ELASTOMERIC PRODUCTS IN WHICH GLASS FIBERS ARE COATED OR BUNDLES OF GLASS FIBERS ARE IMPREGNATED WITH A COMPOSITION FORMULATED OF A RESORCINOL ALDEHYDE RESIN, A BUTADIENE-STYRENEVINYL PYRIDINE TERPOLYMER AND A LATEX OF CARBOXYLATED BUTADIENE-STYRENE, ACRYLIC RESIN OR VINYL CHLORIDEVINYLIDENE CHLORIDE COPOLYMER AND AN INCOMPATIBLE WAX WHICH OPERATES TO REDUCE THE TACKINESS OF THE TREATED OR IMPREGNATED GLASS FIBERS TO ENABLE THE TREATED FIBERS TO BE PROCESSED TO THE FORM DESIRED FOR USE IN THE COMBINATION WITH THE ELASTOMERIC MATERIAL BUT WITHOUT IMPAIRING THE BONDED RELATIONSHIP BETWEEN THE TREATING MATERIAL AND THE GLASS FIBERS OR BETWEEN THE GLASS FIBERS AND THE ELASTOMERIC MATERIAL OF THE CONTINUOUS PHASE.

Inventors

  • 👤 Nicholas S Janetos
  • 👤 Alfred Marzocchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:56
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/27; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249933; Y10T428/249937

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) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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