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US3249461A Expired / Lapsed US ⏱️ 0.0 years remaining

Article having reinforcing coupled to matrix and reinforcing for same

Assignee: Individual
•
Filing: 1962-01-24
•
Granted: 1966-05-03
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Expires: 1982-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Grotenhuis Theodore A Te

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:12
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
A FIBER GLASS REINFORCED COMPOSITE ARTICLE COMPRISING (1) IN SITU POLYMERIZED SOLID POLYMER POLYMERIZED FROM LIQUID COMPRISING A MEMBER OF THE GROUP CONSISTING OF SOLIDIFIABLE EPOXY RESINS, SOLIDIFIABLE PHENOLIC RESINS AND POLYMERIZABLE POLYESTER RESINS AND POLYMERIZABLE OLEFINIC COMPOUNDS, (2) GLASS FIBERS FOR REINFORCING SAID SOLID POLYMER AND (3) AN INTERFACE COMPRISING A REACTION PRODUCT OF COUPLING COMPOUND BONDED TO SAID FIBERS AND IN CHEMICAL COMBINATIONS WITH SAID SOLID POLYMER, SAID INTERFACE BEING DIFFERENT FROM SAID POLYMER AND THE BODY OF SAID FIBERS AND COMPRISING A REACTION PRODUCT OF GROUPS OF SAID COUPLING COMPOUND AND AT LEAST ONE INGREDIENT OF SAID LIQUID, SAID COUPLING COMPOUND BEING AN ALPHA-BETA OLEFINICALLY UNSATURATED CARBOXYLIC ACID AMIDE OF A HYDROXY-REACTIVE AMINOALKYL-SUBSTITUTED SILANE HAVING ALL SILICON VALENCES DIRECTLY CONNECTED TO A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND CARBON, AND HAVING ALL AMINE NITROGEN ATOMS CONNECTED TO SILICON THROUGH A HYDROCARBON CHAIN AT LEAST THREE CARBON ATOMS, WHICH CHAIN IS CONNECTED TO SILICON BY A CARBON-TO-SILICON BOND.
Claim 2
Dependent Claim 162 words
A FIBER GLASS REINFORCED COMPOSITE ARTICLE COMPRISING (1) IN SITU POLYMERIZED SOLID POLYMER POLYMERIZED FROM LIQUID COMPRISING A MEMBER OF THE GROUP CONSISTING OF SOLIDIFIABLE EPOXY RESINS, SOLIDIFIABLE PHENOLIC RESINS AND POLYMERIZABLE POLYESTER RESINS AND POLYMERIZABLE OLEFINIC COMPOUNDS, (2) GLASS FIBERS FOR REINFORCING SAID SOLID POLYMER AND (3) AN INTERFACE COMPRISING A REACTION PRODUCT OF COUPLING COMPOUND BONDED TO SAID FIBERS AND IN CHEMICAL COMBINATIONS WITH SAID SOLID POLYMER, SAID INTERFACE BEING DIFFERENT FROM SAID POLYMER AND THE BODY OF SAID FIBERS AND COMPRISING A REACTION PRODUCT OF GROUPS OF SAID COUPLING COMPOUND AND AT LEAST ONE INGREDIENT OF SAID LIQUID, SAID COUPLING COMPOUND BEING AN ALPHA-BETA OLEFINICALLY UNSATURATED CARBOXYLIC ACID AMIDE OF A HYDROXY-REACTIVE AMINOALKYL-SUBSTITUTED SILANE HAVING ALL SILICON VALENCES DIRECTLY CONNECTED TO A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND CARBON, AND HAVING ALL AMINE NITROGEN ATOMS CONNECTED TO SILICON THROUGH A HYDROCARBON CHAIN AT LEAST THREE CARBON ATOMS, WHICH CHAIN IS CONNECTED TO SILICON BY A CARBON-TO-SILICON BOND.

References Cited (Backward Citations)

US2563288A Cited
US2974062A Cited
US2946710A Cited
US2943103A Cited
US2919173A Cited
US3007957A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-02 1969-11-01 1970-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-02 1973-11-01 1974-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-02 1977-11-01 1978-05-03 $7700.00 Window Closed / Lapsed

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