US4180496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melamine cyanurate as a flame retardant agent
Assignee: Nissan Chemical Corp
•
Filing: 1978-01-03
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Granted: 1979-12-25
•
Expires: 1998-01-03
Abstract
Abstract A flameproof resin composition comprising the admixture of 3 to 30 wt. % of an adduct of 2,4,6-triamino-1,3,5-triazine and 2,4,6-trihydroxy-1,3,5-triazine and/or a tautomer thereof with a linear polyester.
Inventors
- 👤 Akira Yanagimoto
- 👤 Shunichi Kumazawa
- 👤 Yasuo Takakuwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34928
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
A flameproof resin composition, which comprises: the admixture of 3 to 30 wt. % of an adduct of 2,4,6-triamino-1,3,5-triazine and 2,4,6-trihydroxy-1,3,5-triazine and/or a tautomer thereof with a linear polyester.
Claim 2
Dependent Claim
29 words
A flameproof resin composition, which comprises: the admixture of 3 to 30 wt. % of an adduct of 2,4,6-triamino-1,3,5-triazine and 2,4,6-trihydroxy-1,3,5-triazine and/or a tautomer thereof with a linear polyester.
Claim 3
Dependent Claim
13 words
The flameproof resin composition according to claim 1 wherein a polyester is polybutyleneterephthalate.
Claim 4
Dependent Claim
18 words
The flameproof resin composition according to claim 1 wherein the adduct is an equimolar-amount of 2,4,6-triamino-1,3,5-triazine and 2,4,6-trihydroxy-1,3,5-triazine.
Claim 5
Dependent Claim
11 words
The composition of claim 1, wherein the polyester is polyethylene terephthalate.
Claim 6
Dependent Claim
21 words
The composition of claim 1, wherein the amount of said adduct ranges from 5 to 20 wt. % in said composition.
Claim 7
Dependent Claim
21 words
The composition of claim 1, which further comprises an antimony oxide or a halogen containing compound as a flame proofing agent.
Claim 8
Dependent Claim
15 words
The composition of claim 1, which further comprises: a carbon, asbestos, or glass fibrous filler.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-24 | 1983-06-25 | 1983-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-24 | 1987-06-25 | 1987-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-24 | 1991-06-25 | 1991-12-25 | $7700.00 | Window Closed / Lapsed |