US4168142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen-containing esters as pH regulators in textile finishing processes
Assignee: Fidelity Union Bank
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Filing: 1978-02-02
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Granted: 1979-09-18
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Expires: 1998-02-02
Abstract
Abstract Disclosed is a textile finishing process in which there is employed, as pH regulator, a compound or mixture of compounds of formula I, ##STR1## in which N IS 0 OR 1, P is 0 or an integer from 1 to 6, Q is 2 or 3, X is a halogen, Each of Y and Z, independently, is hydrogen or halogen, and A is hydrogen, phenyl, C 1-12 alkyl, or a radical of formula (a), (b) or (c), ##STR2## WHERE R IS 1 TO 4, S is 0 or an integer from 1 to 4, X, y z and n are as defined above, With the proviso that p is other than 0 when A is hydrogen or a radical of formula (c).
Inventors
- 👤 Emmanuel Hervot
- 👤 Yves Rene
- 👤 Alain Verdoucq
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:37
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/65106; D06P1/65125; C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2093; D06L; D06L4/00; D06L4/10; D06L4/12; D06M; D06M13/00; D06M13/10; D06M13/224; D06P1/60; D06P1/613
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
88 words
In a textile finishing process in which there is employed a pH regulator, the improvement comprising employing as pH regulator a compound of the formula I' x--ch.sub.2 --co--o--(ch.sub.2).sub.2 ].sub.p' O--A' I' wherein either p' is O and A' is C 4-8 alkyl, a radical ##STR10## or a radical ##STR11## or p' is 1 to 4 and A' is hydrogen, methyl, ethyl, butyl, phenyl, a radical --CH.sub.2 --CH.sub.2).sub.r --OH, a radical --CH.sub.2 --(CH.sub.2).sub.r --O--CO--CH.sub.2 X or a radical --CO--CH.sub.2 X X is halogen, and r is 1 to 4.
Claim 2
Dependent Claim
88 words
In a textile finishing process in which there is employed a pH regulator, the improvement comprising employing as pH regulator a compound of the formula I' x--ch.sub.2 --co--o--(ch.sub.2).sub.2 ].sub.p' O--A' I' wherein either p' is O and A' is C 4-8 alkyl, a radical ##STR10## or a radical ##STR11## or p' is 1 to 4 and A' is hydrogen, methyl, ethyl, butyl, phenyl, a radical --CH.sub.2 --CH.sub.2).sub.r --OH, a radical --CH.sub.2 --(CH.sub.2).sub.r --O--CO--CH.sub.2 X or a radical --CO--CH.sub.2 X X is halogen, and r is 1 to 4.
Claim 3
Dependent Claim
24 words
A process according to claim 1 wherein the pH of the treatment bath is decreased by 1 to 4 units between commencement and termination.
Claim 4
Dependent Claim
13 words
The process of claim 2, wherein A' is hydrogen or --CO--CH 2 X.
Claim 5
Dependent Claim
40 words
The process of claim 2, wherein the compound of formula I' is a compound of formula I", cl--CH.sub.2 --CO--O--(CH.sub.2).sub.2 ].sub.p" O--A" I" where p" is 1 or 2 and A" is hydrogen, ethyl, phenyl or a radical --CO--CH 2 Cl.
Claim 6
Dependent Claim
13 words
A process of claim 4, wherein A" is hydrogen or --CO--CH 2 Cl.
Claim 7
Dependent Claim
14 words
The process of claim 2, which is a dyeing, optical brightening or bleach-oxidising process.
Claim 8
Dependent Claim
10 words
The process of claim 6, which is a dyeing process.
Claim 9
Dependent Claim
48 words
The process of claim 3, wherein the pH at commencement of the process is between 5 and 10 and at the end thereof is between 3 and 6.5, there having been a drop in pH caused at least partially by the use of the compound of formula I'.
Claim 10
Dependent Claim
23 words
The process of claim 8, wherein the pH at commencement is between 6 and 9 and at termination is between 4 and 6.
Claim 11
Dependent Claim
56 words
The process of claim 3, wherein the temperature of the finishing medium is raised during the process, the compound of formula I' being added whilst the medium is at the relatively low commencement temperature, during the period the temperature of the medium is being raised or during any temperature holding stage at the terminal elevated temperature.
Claim 12
Dependent Claim
22 words
The process of claim 3, wherein the compound of formula I' is employed in a composition form together with an emulsifying agent.
Claim 13
Dependent Claim
23 words
The process of claim 11, wherein said emulsifying agent is non-ionic or anionic or a mixture of a non-ionic and anionic emulsifying agent.
Claim 14
Dependent Claim
49 words
The process of claim 12, wherein the emulsifying agent is an addition product of ethylene oxide with a mono- or di-alkylphenol, a polyethoxylated vegetable oil, a fatty acid ester of a polyethylene glycol, a fatty acid alcohol sulphate, an alkyl sulpho-succinate, or a mixture of two or more thereof.
Claim 15
Dependent Claim
25 words
A composition, for use in the process of claim 4, comprising a compound of formula I", stated in claim 4, together with an emulsifying agent.
Claim 16
Dependent Claim
10 words
A process according to claim 5 wherein A" is hydrogen.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-09-17 | 1983-03-19 | 1983-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-09-17 | 1987-03-19 | 1987-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-09-17 | 1991-03-19 | 1991-09-18 | $7700.00 | Window Closed / Lapsed |