Patent US4053453A successfully refreshed from Google Patents.
US4053453A
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Vinyl halide polymers having improved resistance to burning and smoke formation
Assignee: Goodrich Corp
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Filing: 1977-02-14
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Granted: 1977-10-11
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Expires: 1997-02-14
Abstract
Abstract Copper oxalate and amine molybdates provide an effective combination in vinyl halide polymer compositions to suppress smoke formation when vinyl halide polymers burn, without attendant adverse effects on the properties of the polymer compositions.
Inventors
- 👤 Arthur Watkins McRowe
- 👤 William Joseph Kroenke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34928
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
18 words
A composition comprising a vinyl halide polymer and smoke retardant amounts of copper oxalate and an amine molybdate.
Claim 2
Dependent Claim
18 words
A composition comprising a vinyl halide polymer and smoke retardant amounts of copper oxalate and an amine molybdate.
Claim 3
Dependent Claim
31 words
A composition of claim 1 wherein said vinyl halide polymer is a vinyl chloride polymer containing from about 0 to 50 weight percent of at least one other olefinically unsaturated monomer.
Claim 4
Dependent Claim
32 words
A composition of claim 2 wherein said copper oxlate and amine molybdate are present in amount from about 0.1 to about 20 total weight parts per 100 weight parts of vinyl polymer.
Claim 5
Dependent Claim
26 words
A composition of claim 3 wherein said amine contains from 1 to 40 carbon atoms and from 1 to 10 primary, secondary or tertiary amine groups.
Claim 6
Dependent Claim
14 words
A composition of claim 4 wherein said amine molybdate is a heterocyclic amine molybdate.
Claim 7
Dependent Claim
64 words
A composition of claim 5 wherein said heterocyclic amine is melamine or substituted melamine having the formula ##STR2## X being hydrogen or an alkyl, alicyclic, aralkyl, alkaryl, aryl or heterocyclic group containing from 1 to 10 atoms of carbon, oxygen, sulfur and/or nitrogen, and with two X's on each of one or more nitrogen atoms optionally being joined together to form a heterocyclic ring.
Claim 8
Dependent Claim
11 words
A composition of claim 6 wherein the amine is melamine molybdate.
Claim 9
Dependent Claim
29 words
A composition of claim 7 wherein cupric oxalate and melamine molybdate are present in amount from about 1 to 10 weight parts each per 100 weight parts of polymer.
Claim 10
Dependent Claim
21 words
A composition of claim 4 wherein said amine is an alkyl amine wherein the alkyl contains 1 to 8 carbon atoms.
Claim 11
Dependent Claim
10 words
A composition of claim 4 wherein said amine is piperazine.
Claim 12
Dependent Claim
13 words
A composition of claim 8 wherein said vinyl chloride polymer is poly(vinyl chloride).
Claim 13
Dependent Claim
10 words
A composition of claim 4 wherein said amine is guanidine.
Claim 14
Dependent Claim
10 words
A composition of claim 4 wherein said amine is aniline.
Claim 15
Dependent Claim
10 words
A composition of claim 4 wherein said amine is 2,2,4-trimethyldecahydroquinoline.
Claim 16
Dependent Claim
10 words
A composition of claim 4 wherein said amine is pyridine.
Claim 17
Dependent Claim
11 words
A composition of claim 4 wherein said amine is hexaethyl melamine.
Claim 18
Dependent Claim
10 words
A composition of claim 9 wherein said amine is ethylamine.
Claim 19
Dependent Claim
13 words
A composition of claim 17 wherein said vinyl chloride polymer is poly(vinyl chloride).
References Cited (Backward Citations)
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US3992480A
Cited
US3819577A
Cited
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Cited
US3975356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-10 | 1981-04-11 | 1981-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-10 | 1985-04-11 | 1985-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-10 | 1989-04-11 | 1989-10-11 | $7700.00 | Window Closed / Lapsed |