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US3850872A Expired / Lapsed US ⏱️ 0.0 years remaining

Glass fiber reinforced elastomers

Assignee: Owens Corning
•
Filing: 1972-12-21
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Granted: 1974-11-26
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Expires: 1992-12-21
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Abstract

Abstract 1. A METHOD FOR THE MANUFACTURE OF GLASS FIBER-REINFORCED ELASTOMERIC PRODUCTS IN WHICH AN ELASTOMER CONSTITUTES A CONTINOUS PHASE IN WHICH THE GLASS FIBERS ARE DISTRIBUTED, COMPRISING THE STEPS OF BLENDING AN OILY MATERIAL IN THE FORM OF AN EPOXIDE WITH AN ELASTOMER CONTAINING A VULCANIZING AGENT TO FORM A SUBSTANTIALLY UNIFORM BLEND THEREOF, COMBINING THE BLEND WITH GLASS FIBERS HAVING A THIN COATING ON THE SURFACES THEREOF, SAID COATING COMPRISING A GLASS FIBER ANCHORING AGENT SELECTED FROM THE GROUP CONSISTING OF AN ORGANO SILANE HAVING THE FORMULA (Q-R-)NSIZ(4-N) WHEREIN Q IS A FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF AN AMINO GROUP, A MERCAPTO GROUP, AN EPOXY GROUP AND A HYDROXYL GROUP, R IS A DIVALENT ORGANIC RADICAL, Z IS A READILY HYDROLYZABLE GROUP AND N IS AN INTEGER FROM 1 TO 3, THE CORRESPONDING SILANOLS AND POLYSILOXANES THEREOF AND A WERNER COMPLEX COMPOUND HAVING THE FORMULA R''-C<(-O-CR(-Y2)-O-->CR(-Y2)-O-) WHEREIN Y IS HALOGEN AND R'' IS A FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF AMINO ALKYL, HYDROXY ALKYL AND AN EPOXY GROUP, AND HEATING THE RESULTING COMPOSITE OF GLASS FIBERS AND THE BLEND TO VULCANIZE THE ELASTOMER WHEREBY THE EPOXIDE REACTS WITH THE FUNCTIONAL GROUP TO SECURELY BOND THE GLASS FIBERS TO THE ELASTOMER.

Inventors

  • 👤 A Marzocchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:31
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/156; C08K5/54; C08K7/00; C08K7/02; C08K7/04; C08K7/14; C08K9/00; C08K9/04; C08K9/06; C08L; C08L11/00; C08L21/00; C08L63/00; C08L71/00; C08L71/02; C08L71/03; C08L83/00; C08L83/04; C08L9/00; C08L9/06; C08J2321/00; C08L2205/00; C08L2205/03; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 87 words
A METHOD FOR THE MANUFACTURE OF GLASS FIBER-REINFORCED ELASTOMERIC PRODUCTS IN WHICH AN ELASTOMER CONSTITUTES A CONTINOUS PHASE IN WHICH THE GLASS FIBERS ARE DISTRIBUTED, COMPRISING THE STEPS OF BLENDING AN OILY MATERIAL IN THE FORM OF AN EPOXIDE WITH AN ELASTOMER CONTAINING A VULCANIZING AGENT TO FORM A SUBSTANTIALLY UNIFORM BLEND THEREOF, COMBINING THE BLEND WITH GLASS FIBERS HAVING A THIN COATING ON THE SURFACES THEREOF, SAID COATING COMPRISING A GLASS FIBER ANCHORING AGENT SELECTED FROM THE GROUP CONSISTING OF AN ORGANO SILANE HAVING THE FORMULA
Claim 2
Independent Claim 87 words
A METHOD FOR THE MANUFACTURE OF GLASS FIBER-REINFORCED ELASTOMERIC PRODUCTS IN WHICH AN ELASTOMER CONSTITUTES A CONTINOUS PHASE IN WHICH THE GLASS FIBERS ARE DISTRIBUTED, COMPRISING THE STEPS OF BLENDING AN OILY MATERIAL IN THE FORM OF AN EPOXIDE WITH AN ELASTOMER CONTAINING A VULCANIZING AGENT TO FORM A SUBSTANTIALLY UNIFORM BLEND THEREOF, COMBINING THE BLEND WITH GLASS FIBERS HAVING A THIN COATING ON THE SURFACES THEREOF, SAID COATING COMPRISING A GLASS FIBER ANCHORING AGENT SELECTED FROM THE GROUP CONSISTING OF AN ORGANO SILANE HAVING THE FORMULA

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

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