Patent US4249004A successfully refreshed from Google Patents.
US4249004A
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US
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Salt of 1,3,6-tris(4,6-diamino-1,3,5-triazin-2-yl)-hexane and cyanuric acid
Assignee: Asahi Kasei Corp
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Filing: 1979-12-18
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Granted: 1981-02-03
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Expires: 1999-12-18
Abstract
Abstract A resin composition comprising as flame retardant 3 to 50% by weight of a reaction product of a polyguanamine compound and a cyanuric or isocyanuric acid compound has excellent flame retardancy, excellent physical properties and excellent molding characteristics (no mold deposit nor bleed out).
Inventors
- 👤 Masazumi Chono
- 👤 Kunio Maeda
- 👤 Kunio Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A salt of 1,3,6-tris(4,6-diamino-1,3,5-triazin-2-yl)-hexane and cyanuric acid.
Claim 2
Dependent Claim
7 words
A salt of 1,3,6-tris(4,6-diamino-1,3,5-triazin-2-yl)-hexane and cyanuric acid.
References Cited (Backward Citations)
US3154545A
Cited
US4122269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |