US3867187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene filaments having improved soiling and crocking characteristics
Assignee: Phillips Petroleum Co
•
Filing: 1973-03-26
•
Granted: 1975-02-18
•
Expires: 1993-03-26
Abstract
Abstract A polypropylene filament having improved soiling and crocking characteristics is melt spun from an admixture of polypropylene and at least one N,N''-alkylenebis(alkanamide), and then coated with a finish coating comprising at least one quaternary ammonium salt compound.
Inventors
- 👤 David E Borenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/463; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/02; D01F6/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
23 words
A FILAMENT MELT SPUN FROM AN ADMIXTURE OF A FILAMENT FORMING POLYMER OF PROPYLENE AND AT LEAST ONE WAX COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
A FILAMENT MELT SPUN FROM AN ADMIXTURE OF A FILAMENT FORMING POLYMER OF PROPYLENE AND AT LEAST ONE WAX COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
18 words
A filament in accordance with claim 1 wherein said finish coating further comprises at least one corrosion inhibitor.
Claim 4
Dependent Claim
61 words
A filament in accordance with claim 1 wherein x and z are integers in the range of 15 to 20, y is an integer in the range of 2 to 6, each R has from 15 to 20 carbon atoms, each R'' has from 1 to 4 carbon atoms, and X is selected from the group consisting of chlorine and bromine.
Claim 5
Dependent Claim
62 words
A filament in accordance -methylpentamethylene)bis(hexodecanamide), claim 1 wherein said wax compound is present in said filament in an amount in the range of about 0.1 to about 10 weight percent of said filament, and wherein said quaternary ammonium salt compound is present in said filament in an amount in the range of about 0.15 to about 0.5 weight percent of said filament.
Claim 6
Dependent Claim
53 words
A filament in accordance with claim 4 wherein x and z are integers in the range of 15 to 20, y is an integer in the range of 2 to 6, each R has from 15 to 20 carbon atoms, each R'' has from 1 to 4 carbon atoms, and X is chlorine.
Claim 7
Dependent Claim
18 words
A filament in accordance with claim 5 wherein said finish coating further comprises at least one corrosion inhibitor.
Claim 8
Dependent Claim
23 words
A filament in accordance with claim 6 wherein said wax compound is N,N''-ethylenebis(stearamide) and said quaternary ammonium salt is dioctadecyl dimethyl ammonium chloride.
Claim 9
Dependent Claim
14 words
A filament in accordance with claim 7 wherein said corrosion inhibitor comprises sodium nitrite.
Claim 10
Dependent Claim
62 words
A filament in accordance with claim 1 wherein said wax compound is present in said filament in an amount in the range of about 0.5 to about 2 weight percent of said filament, and wherein said quaternary ammonium salt compound is present in said filament in an amount in the range of about 0.2 to about 0.4 weight percent of said filament.
Claim 11
Dependent Claim
23 words
A filament in accordance with claim 9 wherein said wax compound is N,N''-ethylenebis(stearamide) and said quaternary ammonium salt is dioctadecyl dimethyl ammonium chloride.
Claim 12
Dependent Claim
30 words
A filament in accordance with claim 10 wherein said finish coating consists essentially of said quaternary ammonium salt compound, at least one wetting agent and at least one corrosion inhibitor.
Claim 13
Dependent Claim
26 words
A process comprising melt spinning a filament from an admixture of a filament forming polymer of propylene and at least one wax compound having the formula
Claim 14
Dependent Claim
26 words
A process comprising melt spinning a filament from an admixture of a filament forming polymer of propylene and at least one wax compound having the formula
Claim 15
Dependent Claim
62 words
A process in accordance with claim 12 wherein said wax compound is present in said admixture in an amount in the range of about 0.1 to about 10 weight percent of said admixture, and wherein said quaternary ammmonium salt compound is applied to said filament in an amount in the range of about 0.15 to about 0.5 weight percent of said filament.
Claim 16
Dependent Claim
23 words
A process in accordance with claim 13 wherein said wax compound is N,N''-ethylenebis(stearamide) and said quaternary ammonium salt is dioctadecyl dimethyl ammonium chloride.
Claim 17
Dependent Claim
17 words
A filament in accordance with claim 1 wherein said polymer of propylene comprises a homopolymer of propylene.
Claim 18
Dependent Claim
17 words
A filament in accordance with claim 10 wherein said polymer of propylene comprises a homopolymer of propylene.
Claim 19
Dependent Claim
17 words
A process in accordance with claim 12 wherein said polymer of propylene comprises a homopolymer of propylene.
Claim 20
Dependent Claim
17 words
A process in accordance with claim 14 wherein said polymer of propylene comprises a homopolymer of propylene.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |