US4371656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal substituted zeolites as stabilizers for halogen-containing resins
Assignee: Kosei Co Ltd
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Filing: 1980-12-08
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Granted: 1983-02-01
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Expires: 2000-12-08
Abstract
Abstract A stabilizer for use in a halogen-containing resin is described comprising a crystalline aluminosilicate substituted with ions of a metallic element belonging to Group II or Group IVA of the Periodic Table for Group I (M) metal ion contained in said aluminosilicate and containing 10% by weight of less, as M2O, of residual Group I metal ions.
Inventors
- 👤 Kohji Kashiwase
- 👤 Yasuo Machino
- 👤 Muneo Mita
- 👤 Tsunenosuke Hiramatsu
- 👤 Toshihiko Morishita
- 👤 Mitsuo Taniguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
70 words
A stabilizer for a halogen-containing resin which comprises zeolite A wherein the water content is about 8% by weight or less substituted with ions of a metallic element belonging to Group II except for zinc or Group IVA of the Periodic Table for Group I (M) metal ion contained in said zeolite A and containing 10% by weight or less, as M 2 O, of residual Group I metal ions.
Claim 2
Dependent Claim
70 words
A stabilizer for a halogen-containing resin which comprises zeolite A wherein the water content is about 8% by weight or less substituted with ions of a metallic element belonging to Group II except for zinc or Group IVA of the Periodic Table for Group I (M) metal ion contained in said zeolite A and containing 10% by weight or less, as M 2 O, of residual Group I metal ions.
Claim 3
Dependent Claim
34 words
A stabilizer as in claim 1 wherein the metallic element of Group II of the Periodic Table is at least one member selected from the group consisting of magnesium, calcium, strontium, barium, and cadmium.
Claim 4
Dependent Claim
21 words
A stabilizer as in claim 1 wherein the metallic element of Group IVA of the Periodic Table is tin or lead.
Claim 5
Dependent Claim
12 words
A stabilizer as in claim 2 wherein the metallic element is magnesium.
Claim 6
Dependent Claim
18 words
A stabilizer as in claim 1 comprising the metal-substituted zeolite A used in combination with a lead-based stabilizer.
Claim 7
Dependent Claim
19 words
A stabilizer as in claim 1 comprising the metal-substituted zeolite A used in combination with an organic tin-based stabilizer.
Claim 8
Dependent Claim
18 words
A stabilizer as in claim 5 or 6 wherein the metal-substituted zeolite A is a calcium-substituted zeolite A.
Claim 9
Dependent Claim
22 words
A stabilizer as in claim 1 containing 5% by weight or less, as M 2 O, of residual Group I metal ions.
Claim 10
Dependent Claim
16 words
A stabilizer as in claim 1 wherein the water content is 5% by weight or less.
Claim 11
Dependent Claim
26 words
A stabilizer as in claim 1 comprising the metal-substituted zeolite A used in combination with an epoxy compound, a polyvalent alcohol, or a partial ester thereof.
Claim 12
Dependent Claim
65 words
A stabilized halogen-containing resin composition comprising a halogen-containing resin and a stabilizer which is a zeolite A substituted with ions of a metallic element belonging to Group II except for zinc or Group IVA of the Periodic Table for Group I (M) metal ion contained in said aluminosilicate and containing 10% by weight or less, as M 2 O, of residual Group I metal ions.
Claim 13
Dependent Claim
65 words
A stabilized halogen-containing resin composition comprising a halogen-containing resin and a stabilizer which is a zeolite A substituted with ions of a metallic element belonging to Group II except for zinc or Group IVA of the Periodic Table for Group I (M) metal ion contained in said aluminosilicate and containing 10% by weight or less, as M 2 O, of residual Group I metal ions.
Claim 14
Dependent Claim
38 words
A stabilized halogen containing resin composition as in claim 11 wherein the metallic element of Group II of the Periodic Table is at least one member selected from the group consisting of magnesium, calcium, strontium, barium, and cadmium.
Claim 15
Dependent Claim
24 words
A stabilized halogen-containing resin composition as in claim 11 wherein the metallic element of Group IVA of the Periodic Table is tin or lead.
Claim 16
Dependent Claim
15 words
A stabilized halogen-containing resin composition as in claim 12 wherein the metallic element is magnesium.
Claim 17
Dependent Claim
24 words
A stabilized halogen-containing resin composition as in claim 11, wherein the stabilizer comprises the metal-substituted zeolite A used in combination with a lead-based stabilizer.
Claim 18
Dependent Claim
25 words
A stabilized halogen-containing resin composition as in claim 11 wherein the stabilizer comprises the metal-substituted zeolite A used in combination with an organic tin-based stabilizer.
Claim 19
Dependent Claim
21 words
A stabilized halogen-containing resin composition as in claim 15 or 16 wherein the metal-substituted zeolite A is a calcium-substituted zeolite A.
References Cited (Backward Citations)
US2867605A
Cited
US3245946A
Cited
US3730943A
Cited
US4000100A
Cited
US4060508A
Cited
US4307010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |