Patent US4605587A successfully refreshed from Google Patents.
US4605587A
Expired / Lapsed
US
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Fluorochemical composition for coating soil resistant yarn
Assignee: Honeywell International Inc
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Filing: 1982-02-19
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Granted: 1986-08-12
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Expires: 2002-02-19
Abstract
Abstract Improved retention on yarn and processing properties have been discovered in a composition of matter comprising meta and para pyromellitates ##STR1## and 2 to 50 percent by weight of specific dimers of I. and II., wherein A is (CH 2 ) 2 (CF 2 ) n CF 3 , where n is 5 to 13 and B is CH 2 CHOHCH 2 Cl.
Inventors
- 👤 Robert H. Thomas
- 👤 Willis B. Hammond
- 👤 Michael P. Friedberger
- 👤 William A. Archie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:14
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/207; D06M13/21; D06M13/213; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2907; Y10T428/2909; Y10T428/2913; Y10T428/2915
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
86 words
A composition of matter comprising 90 to 50 percent by weight of fluorocarbon compounds of a mixture of meta and para pyromellitates having the structure ##STR6## and 10 to 50 percent by weight of fluorocarbon compounds of a dimer of the same pyromellitates selected from the group consisting of ##STR7## and mixtures thereof, wherein Q is ##STR8## wherein A is (CH 2 ) 2 (CF 2 ) n CF 3 where n is 5 to 13 and B is CH 2 CHOHCH 2 Cl, and/or ##STR9##
Claim 2
Dependent Claim
86 words
A composition of matter comprising 90 to 50 percent by weight of fluorocarbon compounds of a mixture of meta and para pyromellitates having the structure ##STR6## and 10 to 50 percent by weight of fluorocarbon compounds of a dimer of the same pyromellitates selected from the group consisting of ##STR7## and mixtures thereof, wherein Q is ##STR8## wherein A is (CH 2 ) 2 (CF 2 ) n CF 3 where n is 5 to 13 and B is CH 2 CHOHCH 2 Cl, and/or ##STR9##
Claim 3
Dependent Claim
8 words
The composition of claim 1 in an emulsion.
Claim 4
Dependent Claim
9 words
A yarn finish containing the emulsion of claim 2.
Claim 5
Dependent Claim
8 words
Yarn coated with the finish of claim 3.
Claim 6
Dependent Claim
10 words
The yarn of claim 4 wherein the yarn is nylon.
Claim 7
Dependent Claim
10 words
The yarn of claim 4 wherein the yarn is polyester.
Claim 8
Dependent Claim
31 words
A yarn finish composition comprising a. about 15 to 80 weight percent of a solution of a salt of dioctyl sulfosuccinate, propylene glycol and water, b. the composition of claim 1.
Claim 9
Dependent Claim
8 words
Yarn coated with the finish of claim 7.
Claim 10
Dependent Claim
10 words
The yarn of claim 8 wherein the yarn is nylon.
Claim 11
Dependent Claim
10 words
The yarn of claim 8 wherein the yarn is polyester.
Claim 12
Dependent Claim
9 words
A yarn finish containing the composition of claim 1.
Claim 13
Dependent Claim
8 words
Yarn coated with the finish of claim 11.
Claim 14
Dependent Claim
10 words
The yarn of claim 12 wherein the yarn is nylon.
Claim 15
Dependent Claim
10 words
The yarn of claim 12 wherein the yarn is polyester.
Claim 16
Dependent Claim
7 words
Yarn containing the composition of claim 1.
Claim 17
Dependent Claim
9 words
Yarn of claim 15 wherein the yarn is nylon.
Claim 18
Dependent Claim
9 words
Yarn of claim 15 wherein the yarn is polyester.
References Cited (Backward Citations)
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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) | 1989-08-11 | 1990-02-10 | 1990-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-11 | 1994-02-10 | 1994-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-11 | 1998-02-10 | 1998-08-12 | $7700.00 | Window Closed / Lapsed |