US3268619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant epoxy resins
Assignee: Great Lakes Chemical Corp
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Filing: 1962-10-12
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Granted: 1966-08-23
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Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
- 👤 Richard C Nametz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:47
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/38; C08G59/22; C08G59/30; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A HARDENABLE RESIN COMPOSITION WHICH COMPRISES A MIXTURE OF: (A) THE BROMINE CONTAINING CONDENSATION PRODUCT TO A NUCLEAR BROMINATED BISPHENOL CONTAINING AT LEAST ONE, AND NO MORE THAN TWO, BROMINE ATOMS ON EACH PHENYL RADICAL, AND A HALOHYDRIN; AND (B) A NOVOLAK EPOXY RESIN,.
Claim 2
Dependent Claim
44 words
A HARDENABLE RESIN COMPOSITION WHICH COMPRISES A MIXTURE OF: (A) THE BROMINE CONTAINING CONDENSATION PRODUCT TO A NUCLEAR BROMINATED BISPHENOL CONTAINING AT LEAST ONE, AND NO MORE THAN TWO, BROMINE ATOMS ON EACH PHENYL RADICAL, AND A HALOHYDRIN; AND (B) A NOVOLAK EPOXY RESIN,.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |