Patent US3843650A successfully refreshed from Google Patents.
US3843650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tris-(polyhalophenoxy)-s-triazine
Assignee: Dow Chemical Co
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Filing: 1972-06-09
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Granted: 1974-10-22
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Expires: 1992-06-09
Abstract
Abstract New organic compounds, comprising tris(polyhalophenoxy)-striazines, e.g., tris-(2,4,6-tribromophenoxy)-s-triazine. These new compounds have demonstrated utility as fire retardant additives for various polymers.
Inventors
- 👤 R Pews
- 👤 J Gunsher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:31
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
TRIS-(PENTABROMOPHENOXY)-S-TRIAZINE.
Claim 2
Dependent Claim
1 words
TRIS-(PENTABROMOPHENOXY)-S-TRIAZINE.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |