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
•
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 22:03
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
Cited
US2873226A
Cited
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 |