US3718615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated polymeric compositions containing zinc borate
Assignee: US Borax Inc
•
Filing: 1971-03-05
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Granted: 1973-02-27
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Expires: 1991-03-05
Abstract
Abstract Halogenated polymeric compositions containing a fire retarding amount of zinc borate of the formula 2ZnO.3B2O3.3.5H2O.
Inventors
- 👤 W Woods
- 👤 J Whiten
- 👤 N Nies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:47
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/38
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
13 words
The composition of claim 1 wherein the halogenated polymer is a chlorinated polyester.
Claim 2
Dependent Claim
12 words
The composition of claim 1 wherein the halogenated polymer is polyvinyl chloride.
Claim 3
Dependent Claim
24 words
The composition of claim 1 wherein the zinc borate is present in the amount of 0.2 to 50 percent by weight of the composition.
Claim 4
Dependent Claim
24 words
The composition of claim 1 wherein the zinc borate is present in the amount of 0.5 to 30 percent by weight of the composition.
Claim 5
Dependent Claim
24 words
The composition of claim 1 wherein the zinc borate is present in the amount of 2 to 10 percent by weight of the composition.
Claim 6
Dependent Claim
24 words
The composition of claim 1 wherein antimony oxide is included in an amount up to and including 10 percent by weight of the composition.
Claim 7
Dependent Claim
15 words
The composition of claim 1 wherein the halogenated polymer contains at least 10 percent halogen.
Claim 8
Dependent Claim
25 words
The composition of claim 1 wherein halogenated hydrocarbon wax is included in an amount up to and including 20 percent by weight of the composition.
Claim 9
Dependent Claim
13 words
The composition of claim 1 wherein the zinc borate has the formula 2ZnO.3B2O3.3.5H2O.
Claim 10
Dependent Claim
13 words
A fire-retarding composition comprising zinc borate of the formula 2ZnO.3B2O3.3.5H2O and antimony oxide.
Claim 11
Dependent Claim
21 words
The composition of claim 11 wherein said zinc borate and antimony oxide are present in a weight ratio of about 1:1.
Claim 12
Dependent Claim
12 words
The composition of claim 11 wherein a halogenated hydrocarbon wax is included.
Claim 13
Dependent Claim
14 words
The composition of claim 13 wherein said halogenated hydrocarbon wax is a chlorinated paraffin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |