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US4180496A Expired / Lapsed US ⏱️ 0.0 years remaining

Melamine cyanurate as a flame retardant agent

Assignee: Nissan Chemical Corp
•
Filing: 1978-01-03
•
Granted: 1979-12-25
•
Expires: 1998-01-03
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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)

US3681281A Cited
US3950306A Cited
US3980616A Cited
US3959219A Cited
US4001177A Cited
US4085283A Cited
US4061605A Cited
US4122269A Cited

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

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