US3789047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene copolymer dispersions for flame retardation and fibrous articles coated therewith
Assignee: EIDP Inc
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Filing: 1972-10-25
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Granted: 1974-01-29
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Expires: 1992-10-25
Abstract
Abstract AN AQUEOUS DISPERSION OF AN ETHYLENE COPOLYMER, A CHLORINATED PARAFFIN WAX AND ANTIMONY TRIOXIDE IS PROVIDED. THE DISPERSION CONTAINS (1) ABOUT 70 TO 15 PERCENT BY WEIGHT OF AN ETHYLENE/VINYL ACETATE COPOLYMER OR AN ETHYLENE/METHACRYLIC ACID IONOMER COPOLYMER, (2) ABOUT 30 TO 85 PERCENT BY WEIGHT OF A CHLORINATED PARAFFIN WAX HAVING GREATER THAN 50 PERCENT BY WEIGHT CHLORINE, THE TOTAL CHLORINE CONTENT OF (1) AND (2) BEING 20 TO 60 PERCENT BY WEIGHT, AND (3) ANTIMONY TRIOXIDE IN A RATIO OF ANTIMONY TRIOXIDE TO CHLORINATED PARAFFIN WAX OF 0.25:1 TO 3:1. FIBROUS MATERIALS SUCH AS FIBERFILLS OR TEXTILE FABRICS ARE RENDERED FLAME RETARDANT WHEN COATED WITH THE DISPERSIONS.
Inventors
- 👤 G Pruckmayr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:39
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D123/0846; C09D123/0853; D06M11/00; D06M11/32; D06M11/36; D06M11/47; D06M13/00; D06M13/02; C08; C08L; C08L91/00; C08L91/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |