US4361611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for providing synthetic textile fabrics with an antistatic finish
Assignee: BASF Corp
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Filing: 1980-12-10
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Granted: 1982-11-30
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Expires: 2000-12-10
Abstract
Abstract A process for providing textile fabrics, especially polyamide carpeting, with an antistatic finish. The process comprises treating the fabrics with an aqueous film-forming preparation which contains an acid ester of phosphoric acid or phosphorous acid, said ester being derived from an aliphatic diol having an average molecular weight of 400 to 2600, wherein the diol is unetherified or etherified by C1-C4-alkoxy.
Inventors
- 👤 Paul Schafer
- 👤 Fritz Mayer
- 👤 Jurg Kundig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:59
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/524; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; D06N2201/00; D06N2201/02; D06N2201/0245; D06N2201/0254; D06N2201/0263; D06N2203/00; D06N2203/04; D06N2203/041; D06N2203/042; D06N2203/045; D06N2203/047; D06N2207/00; D06N2207/12; D06N2207/123; D06N2209/00; D06N2209/04; D06N2209/046; D06N2209/10; D06N2209/105; D06N2209/16; D06N2209/1628; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23986; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2451
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
60 words
A process for providing a synthetic textile fabric with an antistatic finish, comprising the step of coating said fabric with an aqueous film-forming preparation which contains a phosphoric or phosphorous acid ester of an alcohol of the formula HO--(CH.sub.2 CH.sub.2 O).sub.n Z wherein Z is hydrogen or alkyl of 1 to 4 carbon atoms, and n is 10 to 50.
Claim 2
Dependent Claim
60 words
A process for providing a synthetic textile fabric with an antistatic finish, comprising the step of coating said fabric with an aqueous film-forming preparation which contains a phosphoric or phosphorous acid ester of an alcohol of the formula HO--(CH.sub.2 CH.sub.2 O).sub.n Z wherein Z is hydrogen or alkyl of 1 to 4 carbon atoms, and n is 10 to 50.
Claim 3
Dependent Claim
24 words
A process according to claim 1, wherein the acid ester is in the form of an alkali metal salt or of an ammonium salt.
Claim 4
Dependent Claim
10 words
A process according to claim 1, wherein Z is hydrogen.
Claim 5
Dependent Claim
22 words
A process according to claim 3, wherein the alcohol is a polyethylene glycol having an average molecular weight of 550 to 1800.
Claim 6
Dependent Claim
17 words
A process according to claim 1, wherein the acid ester is an acid ester of phosphoric acid.
Claim 7
Dependent Claim
35 words
A process according to claim 5, wherein the acid ester of phosphoric acid has been obtained with 0.5 to 2 moles of phosphoric acid, or the corresponding equivalent of phosphoric anhydride per mole of alcohol.
Claim 8
Dependent Claim
33 words
A process according to claim 1, wherein the acid ester is present in the aqueous preparation in an amount of 0.2 to 10% by weight, based on the solids content of said preparation.
Claim 9
Dependent Claim
20 words
A process according to claim 1, wherein the aqueous preparation additionally contains a latex of synthetic polymers, and a filler.
Claim 10
Dependent Claim
20 words
A process according to claim 1, wherein the aqueous preparation has a solids content of 50 to 90% by weight.
Claim 11
Dependent Claim
22 words
A process according to claim 1, wherein the treated textile fabric is dried in the temperature range from 80° to 130° C.
Claim 12
Dependent Claim
16 words
A process according to claim 1, wherein the textile fabric is carpeting made of synthetic polyamide.
References Cited (Backward Citations)
US2974066A
Cited
GB869086A
Cited
CH369255A
Cited
GB1042904A
Cited
DE1469427A1
Cited
US3689355A
Cited
FR2264121A1
Cited
US4135879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-11-29 | 1986-05-31 | 1986-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-29 | 1990-05-31 | 1990-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-29 | 1994-05-31 | 1994-11-30 | $7700.00 | Window Closed / Lapsed |