US3821142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable polyolefins
Assignee: Phillips Petroleum Co
•
Filing: 1973-05-02
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Granted: 1974-06-28
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Expires: 1993-05-02
Abstract
Abstract The dyeability of polyolefins is enhanced by incorporating therein calcium stearate and nickel bis(O-ethyl-3,5-di-t-buty-4hydroxybenzylphosphonate).
Inventors
- 👤 J Dix
- 👤 R Mathis
- 👤 J Underwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
10 words
The composition of claim 1 wherein said polyolefin is polypropylene.
Claim 2
Dependent Claim
52 words
The composition of claim 2 wherein said calcium stearatE comprises about 0.3 part per 100 parts of the polypropylene by weight, said nickel stearate comprises about 1.0 part per 100 parts of the polypropylene by weight, and said nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) comprises about 0.3 part per 100 parts of the polypropylene by weight.
Claim 3
Dependent Claim
52 words
The composition of claim 2 wherein said calcium stearate comprises about 0.3 part per 100 parts of the polypropylene by weight, said nickel stearate comprises about 1.3 parts per 100 parts of the polypropylene by weight, and said nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) comprises about 0.3 part per 100 parts of the polypropylene by weight.
Claim 4
Dependent Claim
52 words
The composition of claim 2 wherein said calcium stearate comprises about 0.3 part per 100 parts of the polypropylene by weight, said nickel stearate comprises about 1.0 part per 100 parts of the polypropylene by weight, and said nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) comprises about 0.5 part per 100 parts of the polypropylene by weight.
Claim 5
Independent Claim
113 words
The method of producing a dyed polyolefin fiber which comprises incorporating into a polyolefin calcium stearate, nickel stearate and nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate), said calcium stearate being present in the range of about 0.1 to about 0.5 part per 100 parts of the polyolefin by weight, the total of said nickel stearate and nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) being in the range of about 0.3 to about 2.0 parts per 100 parts of the polyolefin by weight, and said calcium stearate being in the range of about 10 to about 25 weight percent of the total of said calcium stearate, nickel stearate and nickel bis(0-ethyl-3, 5-di-t-butyl-4-hydroxybenzylphosphonate); spinning fiber from the resulting polyolefin composition; and dyeing the resulting fiber.
Claim 6
Dependent Claim
10 words
The method of claim 6 wherein said polyolefin is polypropylene.
Claim 7
Dependent Claim
52 words
The method of claim 7 wherein said calcium stearate comprises about 0.3 part per 100 parts of the polypropylene by weight, said nickel stearate comprises about 1.0 part per 100 parts of the polypropylene by weight, and said nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) comprises about 0.3 part per 100 parts of the polypropylene by weight.
Claim 8
Dependent Claim
52 words
The method of claim 7 wherein said calcium stearate comprises about 0.3 part per 100 parts of the polypropylene by weight, said nickel stearate comprises about 1.3 part per 100 parts of the polypropylene by weight, and said nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) comprises about 0.3 part per 100 parts of the polypropylene by weight.
Claim 9
Dependent Claim
52 words
The method of claim 7 wherein said calcium stearate comprises about 0.3 part per 100 parts of the polypropylene by weight, said nickel stearate comprises about 1.0 part per 100 parts of the polypropylene by weight, and said nickel bis(0-ethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate) comprises about 0.5 part per 100 parts of the polypropylene by weight.
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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |