US3115164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced plastic composition and process of preparing the same
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-11-02
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Granted: 1963-12-24
•
Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Byron M Vanderbilt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06; F; F16; F16L; F16L9/00; F16L9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A FIBER REINFORCED PLASTIC PIPE COMPRISING A REINFORCING FIBER LAID UP CIRCUMFERENTIALLY IN SUPERIMPOSED LAYERS TO FORM THE PERIPHERAL SHELL OF THE PIPE; SAID FIBERS BEING BONDED AND LAMINATED WITH A THERMOSETTING RESIN SELECTED FROM THE GROUP CONSISTING OF POLYESTERS FORMED BY ESTERIFYING JALPHA-BETA UNSATURATED DIBASIC CARBOXYLIC ACIDS WITH POLYHYDRIC ALCOHOLS AND REACTING SAID ESTERS WITH UP TO 60% BY WEIGHT, OF THE CURABLE LIQUID MIX, OF A MONOVINYL AROMATIC MONOMER, AS A CROSSLINKING AGENT, AND COPOLYMERS FORMED BY COPOLYMERIZING A MAJOR AMOUNT OF A STYRENE AND A MINOR AMOUNT OF A DIVINYL BENZENE, SAID RESINS BEING CURED IN THE PRESENCE OF A PEROXIDE CATALYST AND BETWEEN ABOUT 0.5 AND ABOUT 15 PARTS BY WT. OF AN ALKENYL ESTER OF A C10 TO C22 FATTY ACID PER HUNDRED PARTS BY WEIGHT OF THE THERMOSETTING RESIN MIX.
Claim 2
Dependent Claim
136 words
A FIBER REINFORCED PLASTIC PIPE COMPRISING A REINFORCING FIBER LAID UP CIRCUMFERENTIALLY IN SUPERIMPOSED LAYERS TO FORM THE PERIPHERAL SHELL OF THE PIPE; SAID FIBERS BEING BONDED AND LAMINATED WITH A THERMOSETTING RESIN SELECTED FROM THE GROUP CONSISTING OF POLYESTERS FORMED BY ESTERIFYING JALPHA-BETA UNSATURATED DIBASIC CARBOXYLIC ACIDS WITH POLYHYDRIC ALCOHOLS AND REACTING SAID ESTERS WITH UP TO 60% BY WEIGHT, OF THE CURABLE LIQUID MIX, OF A MONOVINYL AROMATIC MONOMER, AS A CROSSLINKING AGENT, AND COPOLYMERS FORMED BY COPOLYMERIZING A MAJOR AMOUNT OF A STYRENE AND A MINOR AMOUNT OF A DIVINYL BENZENE, SAID RESINS BEING CURED IN THE PRESENCE OF A PEROXIDE CATALYST AND BETWEEN ABOUT 0.5 AND ABOUT 15 PARTS BY WT. OF AN ALKENYL ESTER OF A C10 TO C22 FATTY ACID PER HUNDRED PARTS BY WEIGHT OF THE THERMOSETTING RESIN MIX.
References Cited (Backward Citations)
US2118864A
Cited
US2473801A
Cited
US2308495A
Cited
US2446121A
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US2873226A
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US2816827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |