US3850878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tris(haloalkyl)n-hydrocarbylcarbamates as flame retardant agents
Assignee: Phillips Petroleum Co
•
Filing: 1972-08-30
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Granted: 1974-11-26
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Expires: 1992-08-30
Abstract
Abstract 1. A POLYMERIC COMPOSITION COMPRISING A POLYOLEFIN AND AT LEAST ONE OF COMPOUNDS SELECTED FORM (X-CH2)3-C-CH2-OOC-NH-R WHEREIN R REPRESENTS A MONOVALENT ACYLIC RADICAL, A MONOVALENT CYCLIC RADICAL OR COMBINATION THEREOF, AND X REPRESENTS BROMINE, CHLORINE, OR IODINE; AND (X-CH2)3-C-CH2-OOC-NH-R''-NH-COO-CH2-C(-CH2-X)3 WHEREIN R'' REPRESENTS A DIVALENT ACYLIC RADICAL A DIVALEBT CYCLIC RADICAL OR COMBINATION THEREOF, AND X IS AS PREVIOUSLY DEFINED.
Inventors
- 👤 T Murtha
- 👤 E Zuech
- 👤 R Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A POLYMERIC COMPOSITION COMPRISING A POLYOLEFIN AND AT LEAST ONE OF COMPOUNDS SELECTED FORM
Claim 2
Dependent Claim
14 words
A POLYMERIC COMPOSITION COMPRISING A POLYOLEFIN AND AT LEAST ONE OF COMPOUNDS SELECTED FORM
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |