US3238077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of bonding a polyolefin layer laminate which has been partially cured to a b-stage product
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-01-18
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Granted: 1966-03-01
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Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 Clark Hadden
- 👤 Richard G Adams
- 👤 William H Smyers
- 👤 Mcculloch William John Gubert
- 👤 Lealia G Slotterbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:35
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C70/00; B29C70/003; B32B15/00; B32B15/04; B32B15/08; C; C08; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; C08J5/249; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10T; Y10T156/00; Y10T156/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS WHICH COMPRISES IMPREGNATING A REINFORCING ELEMENT WITH A RESINIFIABLE MIX CONSISTING ESSENTIALLY OF A LIQUID POLYMER OF A C4 TO C6 CONJUGATED DIOLEFIN, AT LEAST ONE MONOMERIC VINYL AROMATIC CROSSLINKING AGENT, AND A FREE RADICAL PEROXIDE CATALYST, PARTIALLY CURING SAID IMPREGNATED COMPOSITIONS BY HEATING TO A TEMPERATURE OF BETWEEN ABOUT 250 AND ABOUT 350*F. FOR BETWEEN ABOUT TWO HOURS AND ABOUT 1 MINUTE RESPECTIVELY TO FORM A BSTAGE COMPOSITION, APPLYING TO AN EXTERIOR SURFACE OF SAID B-STAGE COMPOSITION A LAYER OF A THERMOPLASTIC POLYOLEFIN PREPARED FROM A C2-C12 ALPHA-OLEFIN, AND FINALLY CURING THE RESULTANT COMPOSITION BY HEATING TO A TEMPERATURE OF BETWEEN ABOUT 250* AND ABOUT 400*F. FOR BETWEEN ABOUT 24 HOURS AND ABOUT 5 MINUTES RESPECTIVELY TO OBTAIN A COMPOSITE UNITARY PRODUCT.
Claim 2
Dependent Claim
125 words
A PROCESS WHICH COMPRISES IMPREGNATING A REINFORCING ELEMENT WITH A RESINIFIABLE MIX CONSISTING ESSENTIALLY OF A LIQUID POLYMER OF A C4 TO C6 CONJUGATED DIOLEFIN, AT LEAST ONE MONOMERIC VINYL AROMATIC CROSSLINKING AGENT, AND A FREE RADICAL PEROXIDE CATALYST, PARTIALLY CURING SAID IMPREGNATED COMPOSITIONS BY HEATING TO A TEMPERATURE OF BETWEEN ABOUT 250 AND ABOUT 350*F. FOR BETWEEN ABOUT TWO HOURS AND ABOUT 1 MINUTE RESPECTIVELY TO FORM A BSTAGE COMPOSITION, APPLYING TO AN EXTERIOR SURFACE OF SAID B-STAGE COMPOSITION A LAYER OF A THERMOPLASTIC POLYOLEFIN PREPARED FROM A C2-C12 ALPHA-OLEFIN, AND FINALLY CURING THE RESULTANT COMPOSITION BY HEATING TO A TEMPERATURE OF BETWEEN ABOUT 250* AND ABOUT 400*F. FOR BETWEEN ABOUT 24 HOURS AND ABOUT 5 MINUTES RESPECTIVELY TO OBTAIN A COMPOSITE UNITARY PRODUCT.
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |