US4496632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for lubricating synthetic fibers
Assignee: BASF Corp
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Filing: 1982-12-16
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Granted: 1985-01-29
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Expires: 2002-12-16
Abstract
Abstract Relates to lubricating thermoplastic synthetic fibers comprising the application to said fibers of a modified polyoxyalkylene polyol which polyol is modified by capping all of the hydroxyl groups with benzyl, aryl, substituted benzyl or aryl groups or alkyl groups having 1 to 4 carbon atoms.
Inventors
- 👤 Ronald L. Camp
- 👤 Edward M. Dexheimer
- 👤 Basil Thir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:50
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/165; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
69 words
The process of lubricating thermoplastic synthetic fibers wherein problems presented by interaction of the lubricant with the polyurethane elastomers used in fiber processing machines are eliminated or substantially reduced comprising the application to said fibers of a modified polyoxyalkylene polyol which polyol is modified by capping all of the hydroxyl groups with benzyl, aryl, substituted benzyl, or substituted aryl groups or alkyl groups having 1 to 4 carbon atoms.
Claim 2
Dependent Claim
69 words
The process of lubricating thermoplastic synthetic fibers wherein problems presented by interaction of the lubricant with the polyurethane elastomers used in fiber processing machines are eliminated or substantially reduced comprising the application to said fibers of a modified polyoxyalkylene polyol which polyol is modified by capping all of the hydroxyl groups with benzyl, aryl, substituted benzyl, or substituted aryl groups or alkyl groups having 1 to 4 carbon atoms.
Claim 3
Dependent Claim
12 words
The process of claim 1 wherein said polyoxyalkylene polyol is polyoxyethylene glycol.
Claim 4
Dependent Claim
33 words
The process of claim 1 wherein said modified polyoxyalkylene polyol is applied in an aqueous or organic solvent solution containing from about 0.5 to 100 percent by weight of said modified polyoxyalkylene polyol.
Claim 5
Dependent Claim
37 words
The process of claim 3 wherein said aqueous solution comprises 0.5 to 95. percent by weight of the modified polyoxyalkylene polyol, 98 to 5.0 percent by weight water or organic solvent, balance conventional additives in normal amounts.
Claim 6
Dependent Claim
12 words
The process of claim 4 wherein said polyoxyalkylene polyol is polyoxyethylene glycol.
Claim 7
Dependent Claim
23 words
The process of claim 1 wherein said polyoxyalkylene polyol is a copolymer of ethylene oxide and a C 3 -C 4 alkylene oxide.
Claim 8
Dependent Claim
41 words
The process of claim 6 wherein said modified polyoxyalkylene polyol has a molecular weight ranging from about 500 to 15,000 and the ratio of ethylene oxide groups to C 3 -C 4 alkylene oxide groups is from about 1:9 to 9:1.
Claim 9
Dependent Claim
30 words
The process of claim 7 wherein said modified polyoxyalkylene polyol is applied in an aqueous solution containing from about 0.5 to 100 percent by weight of said modified polyoxyalkylene polyol.
Claim 10
Dependent Claim
37 words
The process of claim 7 wherein said aqueous solution comprises 0.5 to 100 percent by weight of the modified polyoxyalkylene polyol, 98 to 5.0 percent by weight water or organic solvent, balance conventional additives in normal amounts.
Claim 11
Dependent Claim
16 words
The process of claim 7 wherein said C 3 -C 4 alkylene oxide is propylene oxide.
Claim 12
Dependent Claim
12 words
The process of claim 10 wherein said copolymer is a heteric copolymer.
Claim 13
Dependent Claim
12 words
The process of claim 10 wherein said copolymer is a block copolymer.
Claim 14
Dependent Claim
16 words
The process of claim 7 wherein said C 3 -C 4 alkylene oxide is butylene oxide.
Claim 15
Dependent Claim
12 words
The process of claim 13 wherein said copolymer is a heteric copolymer.
Claim 16
Dependent Claim
12 words
The process of claim 13 wherein said copolymer is a block copolymer.
Claim 17
Dependent Claim
77 words
A lubricated thermoplastic, synthetic fiber selected from the group consisting of polyester, nylon, poly(benzimidazole), carbon or glass fiber wherein the lubricant is one which eliminates or substantially reduces problems presented by interacting of the lubricant with the polyurethane elastomers used in the fiber processing machinery and comprises a modified polyoxyalkylene polyol which is modified by capping all hydroxyl groups with benzyl, aryl, substituted benzyl or substituted aryl groups or alkyl groups having 1 to 4 carbon atoms.
Claim 18
Dependent Claim
77 words
A lubricated thermoplastic, synthetic fiber selected from the group consisting of polyester, nylon, poly(benzimidazole), carbon or glass fiber wherein the lubricant is one which eliminates or substantially reduces problems presented by interacting of the lubricant with the polyurethane elastomers used in the fiber processing machinery and comprises a modified polyoxyalkylene polyol which is modified by capping all hydroxyl groups with benzyl, aryl, substituted benzyl or substituted aryl groups or alkyl groups having 1 to 4 carbon atoms.
Claim 19
Dependent Claim
12 words
The product of claim 16 wherein said polyoxyalkylene polyol is polyoxyethylene glycol.
Claim 20
Dependent Claim
23 words
The product of claim 16 wherein said polyoxyalkylene polyol is a copolymer of ethylene oxide and a C 3 -C 4 alkylene oxide.
Claim 21
Dependent Claim
41 words
The product of claim 18 wherein said modified polyoxyalkylene polyol has a molecular weight ranging from about 500 to 15,000 and the ratio of ethylene oxide groups to C 3 -C 4 alkylene oxide groups is from about 1:9 to 9:1.
Claim 22
Dependent Claim
16 words
The product of claim 19 wherein said C 3 -C 4 alkylene oxide is propylene oxide.
Claim 23
Dependent Claim
12 words
The product of claim 20 wherein said copolymer is a heteric copolymer.
Claim 24
Dependent Claim
12 words
The product of claim 20 wherein said copolymer is a block copolymer.
Claim 25
Dependent Claim
16 words
The product of claim 19 wherein said C 3 -C 4 alkylene oxide is butylene oxide.
Claim 26
Dependent Claim
12 words
The product of claim 23 wherein said copolymer is a heteric copolymer.
Claim 27
Dependent Claim
12 words
The product of claim 23 wherein said copolymer is a block copolymer.
Claim 28
Dependent Claim
25 words
The process of claim 1 wherein said substituted benzyl groups and said substituted aryl groups are 1 to 10 carbon atom alkyl or halogen substituted.
Claim 29
Dependent Claim
25 words
The fiber of claim 16 wherein said substituted benzyl groups and said substituted aryl groups are 1 to 10 carbon atom alkyl or halogen substituted.
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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) | 1988-01-29 | 1988-07-30 | 1989-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-29 | 1992-07-30 | 1993-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-29 | 1996-07-30 | 1997-01-29 | $7700.00 | Window Closed / Lapsed |