US4225311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye composition containing a copolymer of ethylene oxide and propylene oxide as nonionic surfactant
Assignee: Kao Corp
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Filing: 1977-12-16
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Granted: 1980-09-30
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Expires: 1997-12-16
Abstract
Abstract A dye composition contains as indispensable ingredients a water-insoluble dye and 10-150% by weight, based on the dye, of a nonionic surfactant of the general formula: HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O) n H wherein l, m and n each represent an integer of one or more l+m+n being in the range of 100-350 and (l+n)/m being two or more.
Inventors
- 👤 Yukihisa Niimi
- 👤 Junko Kakuse
- 👤 Toshio Sato
- 👤 Hideo Kawanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0084
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
134 words
A dye composition which is an aqueous dispersion consisting essentially of (a) from 10 to 50 parts by weight of water-insoluble dye, (b) from 10 to 150% by weight, based on the weight of said dye, of nonionic surfactant having the formula HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O).sub.n H wherein l, m and n each is an integer of one or more, the sum of l plus m plus n is in the range of from 100 to 350, and ((l+n)/m) is 2 or more, and (c) from 89 to 30 parts by weight of water, said composition having been prepared by pulverizing a mixture of (a), (b) and (c) until the average particle diameter of said dye is reduced to a size in the range of 0.1 to 1.0 micron.
Claim 2
Dependent Claim
134 words
A dye composition which is an aqueous dispersion consisting essentially of (a) from 10 to 50 parts by weight of water-insoluble dye, (b) from 10 to 150% by weight, based on the weight of said dye, of nonionic surfactant having the formula HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O).sub.n H wherein l, m and n each is an integer of one or more, the sum of l plus m plus n is in the range of from 100 to 350, and ((l+n)/m) is 2 or more, and (c) from 89 to 30 parts by weight of water, said composition having been prepared by pulverizing a mixture of (a), (b) and (c) until the average particle diameter of said dye is reduced to a size in the range of 0.1 to 1.0 micron.
Claim 3
Dependent Claim
32 words
A dye composition as claimed in claim 1 wherein the nonionic surfactant is HO-- 2 H 4 O) 90 (C 3 H 6 O) 80 (C 2 H 4 O) 90 H.
Claim 4
Dependent Claim
26 words
A dye composition as claimed in claim 1, wherein said water-insoluble dye is selected from the group consisting of disperse dyes, vat dyes and oil-soluble dyes.
Claim 5
Dependent Claim
157 words
A dye composition which is an aqueous dispersion consisting essentially of (a) from 10 to 50 parts by weight of water-insoluble dye, (b) from 10 to 150% by weight, based on the weight of said dye, of a mixture of (i) nonionic surfactant having the formula HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O).sub.n H wherein l, m and n each is an integer of one or more, the sum of l plus m plus n is in the range of from 100 to 350, and ((l+n)/m) is 2 or more, and (ii) formalin condensate of an aromatic sulfonate, wherein the weight ratio of (i):(ii) is from 2:8 to 8:2, and (c) from 89 to 30 parts by weight of water, said composition having been prepared by pulverizing a mixture of (a), (b) and (c) until the average particle diameter of said dye is reduced to a size in the range of 0.1 to 1.0 micron.
Claim 6
Dependent Claim
157 words
A dye composition which is an aqueous dispersion consisting essentially of (a) from 10 to 50 parts by weight of water-insoluble dye, (b) from 10 to 150% by weight, based on the weight of said dye, of a mixture of (i) nonionic surfactant having the formula HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O).sub.n H wherein l, m and n each is an integer of one or more, the sum of l plus m plus n is in the range of from 100 to 350, and ((l+n)/m) is 2 or more, and (ii) formalin condensate of an aromatic sulfonate, wherein the weight ratio of (i):(ii) is from 2:8 to 8:2, and (c) from 89 to 30 parts by weight of water, said composition having been prepared by pulverizing a mixture of (a), (b) and (c) until the average particle diameter of said dye is reduced to a size in the range of 0.1 to 1.0 micron.
Claim 7
Dependent Claim
39 words
A dye composition as claimed in claim 4 wherein said aromatic sulfonate is selected from the group consisting of sodium β-naphthalene sulfonate, sodium cresolsulfonate, sodium creosote oil sulfonate, sodium phenolsulfonate and sodium lower (C 1 -C 3 ) alkylphenolsulfonate.
Claim 8
Dependent Claim
35 words
A dye composition as claimed in claim 4 wherein the formalin condensate of an aromatic sulfonate is selected from the group consisting of formalin condensate of sodium β-naphthalene sulfonate and formalin condensate of sodium cresolsulfonate.
Claim 9
Dependent Claim
120 words
A process for preparing a dye composition, which consists essentially of finely dividing 10 to 50 parts by weight of a water-insoluble dye, in the presence of from 10 to 150% by weight, based on the weight of said dye, of a nonionic surfactant having the formula: HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O).sub.n H wherein l, m and n each is an integer of one or more, the sum of l plus m plus n is in the range of 100 to 350 and the ratio (l+n)/m is two or more, and 30 to 89 parts by weight of water, until the average particle size of said dye is in the range of 0.1 to 1 micron.
Claim 10
Dependent Claim
120 words
A process for preparing a dye composition, which consists essentially of finely dividing 10 to 50 parts by weight of a water-insoluble dye, in the presence of from 10 to 150% by weight, based on the weight of said dye, of a nonionic surfactant having the formula: HO--C.sub.2 H.sub.4 O).sub.l (C.sub.3 H.sub.6 O).sub.m (C.sub.2 H.sub.4 O).sub.n H wherein l, m and n each is an integer of one or more, the sum of l plus m plus n is in the range of 100 to 350 and the ratio (l+n)/m is two or more, and 30 to 89 parts by weight of water, until the average particle size of said dye is in the range of 0.1 to 1 micron.
Claim 11
Dependent Claim
23 words
A process as claimed in claim 7 wherein there is further added a formalin condensate of an aromatic sulfonate in the dividing step.
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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) | 1983-09-30 | 1984-03-31 | 1984-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-30 | 1988-03-31 | 1988-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-30 | 1992-03-31 | 1992-09-30 | $7700.00 | Window Closed / Lapsed |