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
•
Expires: 1982-01-24
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 09:45
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)
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US2974062A
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US2946710A
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US2943103A
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US3007957A
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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) | 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 |