US3636137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(o(carbo - 2 - ethylhexoxy)-benzoyl) peroxide as polyester curing agent
Assignee: Koninklijke Industrieele Noury & Van Der Lande Nv Mij
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Filing: 1969-06-05
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Granted: 1972-01-18
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Expires: 1989-06-05
Abstract
Abstract THE PRESENT INVENTION RELATES TO A NEW ORTHO-SUBSTITUTED DIBENZOYL PEROXIDE, VIZ BIS O - (CARBO - 2 - ETHYLHEXOXY)BENZOYL) PEROXIDE CAPABLE OF USE AS AN INITIATOR IN THE PEROXIDIC POLYMERIZATION OF VINYL MONOMERS AND IN THE COPOLYMERIZATION OF UNSATURATED POLYESTER RESINS CONTAINING VINYL MONOMERS AS COPOLYMERIZABLE MONOMERS; THE INVENTION ALSO RELATES TO A PROCESS FOR PREPARING BIS(O(CARBO-2-ETHYLHEXOXY)-BENZOYL) PEROXIDE AND TO THE USE OF SAID PEROXIDE AS AN INITIATOR IN THE PEROXIDIC POLYMERIZATION OF VINYL MONOMERS AND IN THE COPOLYMERIZATION OF UNSATURATED POLYESTER RESINS CONTAINING VINYL MONOMERS AS COPOLYMERIZABLE MONOMERS.
Inventors
- 👤 Hans G Gerritsen
- 👤 Hans Jaspers
- 👤 Hedrik Hansma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:37
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32; C07; C07C; C07C51/00; C07C51/42; C07C51/487
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |