Process for coloring glass fibers
Abstract
Abstract THIS INVENTION RELATES TO A METHOD OF DYEING TEXTILE FIBERS COMPRISING GLASS FIBERS. THE PROCESS OF THIS INVENTION COMPRISES COATING A GLASS TEXTILE FIBER OR FABRIC WITH AN ADHERENT COATING OF AN INTERPOLYMER COMPRISING A NONRUBBERY INTERPOLYMER OF A POLYUNSATURATED HYDROCARBON MONOMER AND AT LEAST ONE MONOOLEFIN MONOMER HAVING A SINGLE COPOLYMERIZABLE ETHYLENIC GROUP, SAID INTERPOLYMER HAVING AN ESSENTIALLY SATURATED CARBON CHAIN CONTAINING A SUBSTANTIAL PROPORTION OF THE TOTAL CARBON ATOMS IN THE POLYMER MOLECULE AND CONTAINING SUFFICIENT ETHYLENICALLY UNSATURATED GROUPS IN THE POLYMER MOLECULE TO PERMIT SUBSTANTIAL CURING OF FILMS THEREOF BY OXIDATIVE MECHANISM, THEN CONTACTING THE COATED FIBER WITH AN ORGANIC DYE, PREFERABLY A DYE SELECTED FROM THE GROUP CONSISTING OF DISPERSE DYES, CATIONIC DYES, AND PREMETALLIZED DYES.
Inventors
- 👤 Karl F Schimmel
Bibliographic Details
Claims Analysis
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |