Patent US4240943A successfully refreshed from Google Patents.
US4240943A
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Textile finishing composition
Assignee: Dainichiseika Color and Chemicals Mfg Co Ltd
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Filing: 1978-02-27
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Granted: 1980-12-23
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Expires: 1998-02-27
Abstract
Abstract A textile finishing composition comprises a water dispersible urethane prepolymer and a water soluble methylol compound, a glyoxalamide adduct, or bis(β-hydroxyethyl) sulfone.
Inventors
- 👤 Eiichi Sugawara
- 👤 Takao Endoh
- 👤 Satoshi Shioume
- 👤 Tomio Kuroki
- 👤 Kazuhiro Teramae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:18
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; C; C08; C08G; C08G12/00; C08G12/02; C08G18/00; C08G18/06; C08G18/08; C08G18/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591; Y10T428/31594
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
37 words
A textile finishing composition which comprises (i) a water dispersible urethane prepolymer having free or heat-activatable masked terminal isocyanate groups (ii) a glyoxal-amide adduct or bis (ε-hydroxyethyl) slfone at a ratio of 80 to 5:20 to 95.
Claim 2
Dependent Claim
37 words
A textile finishing composition which comprises (i) a water dispersible urethane prepolymer having free or heat-activatable masked terminal isocyanate groups (ii) a glyoxal-amide adduct or bis (ε-hydroxyethyl) slfone at a ratio of 80 to 5:20 to 95.
Claim 3
Dependent Claim
30 words
A textile finishing composition according to claim 1 wherein the ratio of the water dispersible urethane prepolymer to the glyoxal-amide adduct or bis(ε-hydroxyethyl) sulfone is 40 to 50:60 to 95.
Claim 4
Dependent Claim
19 words
A textile finishing composition according to claim 1 wherein the free isocyanate groups are reacted with the glyoxal-amide adduct.
Claim 5
Dependent Claim
22 words
A textile finishing composition according to claim 1 wherein the water dispersible urethane prepolymer comprises a self-emulsifiable urethane prepolymer having hydrophilic units.
Claim 6
Dependent Claim
27 words
A textile finishing composition according to claim 1 wherein the aqueous dispersion of urethane prepolymer is prepared by using at least part of a self-emulsifiable urethane prepolymer.
Claim 7
Dependent Claim
20 words
A textile finishing composition according to claim 1 wherein a catalyst of a borofluoride or a zinc compound is added.
Claim 8
Dependent Claim
22 words
A textile finishing composition according to claim 1 wherein the water soluble glyoxal-amide adduct is combined with the water dispersible urethane prepolymer.
Claim 9
Dependent Claim
24 words
The textile finishing composition of claim 1 wherein the amount of said free or blocked isocyanate groups is 2-10% weight of said urethane prepolymer.
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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) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |