US3717608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer compositions containing perchlorofulvalene
Assignee: Hooker Chemical Corp
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Filing: 1968-09-24
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Granted: 1973-02-20
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Expires: 1988-09-24
Abstract
Abstract POLYMERIC USES OF PERCHLOROFULVALENCE INCLUDE HOMOPOLYMERS OF THE COMPOUND, COPOLYMERS WITH UNSATURATED MONOMERS, VULCANIZABLE AND CURED COMPOSITIONS CONTAINING THE COMPOUND, AND POLYMER COMPOSITIONS CONTAINING THE COMPOUND AS AN ADDITIVE. OTHER USES FOR PERCHLOROFULVALENE ARE IN THE PREPARATION OF LIGHT SENSITIVE REPRODUCTION PAPERS, DYESTUFFS AND AS AN INTERMEDIATE IN THE PREPARATION OF INSECTICIDES.
Inventors
- 👤 R Hindersinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:05
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; C; C08; C08F; C08F32/00; C08F32/02; C08F32/06; C08G; C08G61/00; C08G61/02; C08K; C08K3/00; C08K3/02; C08K3/06; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/02; C08K5/03; C08L; C08L23/00; C08L23/02; C08L23/16; C08L2312/00; C08L2666/00; C08L2666/02; C08L2666/04
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |