US3099293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced plastic from an open cure technique with a graft polymer
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-10-28
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Granted: 1963-07-30
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Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Lakritz Julian
- 👤 Richard G Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:38
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08F; C08F279/00; C08F279/02; C08J; C08J5/00; C08J5/24; C08J5/245; C08J5/249; C08J2351/00; C08J2351/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A PREPREG FIBROUS REINFORCED PLASTIC COMPOSITION COMPRISING REINFORCING FIBERS IMPREGNATED WITH GRAFT POLYMER PREPARED FROM A RESINIFIABLE MIX COMPRISING AN INERT SOLVENT SOLUTION CONTAINING BETWEEN ABOUT 30 AND ABOUT 60WT. PERCENT OF A MONOVINYL CROSSLINKING AGENT, BETWEEN ABOUT 0.5 AND ABOUT 20 WT. PERCENT OF AN ARYL MONOMER CONTAINING AT LEAST TWO VINYL GROUPS ATTACHED TO THE ARYL NUCLEUS, BETWEEN ABOUT 0.5 AND ABOUT 5.0 WT. PERCENT OF A FREE RADICAL ORGANIC PEROXIDE CATALYST, AND THE BALANCE OF SAID MIX BEING A NORMALLY LIQUID POLYMER OF A C4 TO PERATURE BETWEEN ABOUT 200 AND ABOUT 300* F. FOR BETWEEN ABOUT 320 AND ABOUT 15 MINUTES TO FORM SAID GRAFT POLYMER, AIR DRYING SAID IMPREGNATED REINFORCING FIBERS AT FROM ROOM TEMPERATURE TO 350* F. TO FORM A PREPREG FIBROUS REINFORCED PLASTIC COMPOSITION. C6 CONJUGATED DIOLEFIN AND HEATING THE SAID MIX AT A TE
Claim 2
Dependent Claim
142 words
A PREPREG FIBROUS REINFORCED PLASTIC COMPOSITION COMPRISING REINFORCING FIBERS IMPREGNATED WITH GRAFT POLYMER PREPARED FROM A RESINIFIABLE MIX COMPRISING AN INERT SOLVENT SOLUTION CONTAINING BETWEEN ABOUT 30 AND ABOUT 60WT. PERCENT OF A MONOVINYL CROSSLINKING AGENT, BETWEEN ABOUT 0.5 AND ABOUT 20 WT. PERCENT OF AN ARYL MONOMER CONTAINING AT LEAST TWO VINYL GROUPS ATTACHED TO THE ARYL NUCLEUS, BETWEEN ABOUT 0.5 AND ABOUT 5.0 WT. PERCENT OF A FREE RADICAL ORGANIC PEROXIDE CATALYST, AND THE BALANCE OF SAID MIX BEING A NORMALLY LIQUID POLYMER OF A C4 TO PERATURE BETWEEN ABOUT 200 AND ABOUT 300* F. FOR BETWEEN ABOUT 320 AND ABOUT 15 MINUTES TO FORM SAID GRAFT POLYMER, AIR DRYING SAID IMPREGNATED REINFORCING FIBERS AT FROM ROOM TEMPERATURE TO 350* F. TO FORM A PREPREG FIBROUS REINFORCED PLASTIC COMPOSITION. C6 CONJUGATED DIOLEFIN AND HEATING THE SAID MIX AT A TE
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |