US4043752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenylazoaminophenylpyrazole acid dye solutions containing two nonionic surfactants
Assignee: EIDP Inc
•
Filing: 1975-12-17
•
Granted: 1977-08-23
•
Expires: 1995-12-17
Abstract
Abstract Dye solutions having excellent Kusters dye bath stability comprising, by weight, I. 10% to 20% of a dye of the formula ##STR1## wherein R is H or Cl, and X is a mixture of di- and tri-C 1-4 alkanolammonium, Ii. 15% to 30% of n-butanol, Iii. 10% to 20% of ethyleneglycol, Iv. 10% to 20% of nonionic polyethylene oxide-polypropylene oxide copolymer surfactant, V. 5% to 10% of nonionic polyethoxylated aliphatic amine surfactant, and Vi. 0 to 50% water.
Inventors
- 👤 Lindsay Kilmurry
- 👤 Howard Kirby Urion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:43
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/241; C; C09; C09B; C09B29/00; C09B29/34; C09B29/36; C09B29/3604; C09B29/3647; C09B29/3652; C09B29/3656; C09B67/00; C09B67/0071; C09B67/0072; C09B67/0073; C09B69/00; C09B69/02; C09B69/04; C09B69/045; D06P1/00; D06P1/44; D06P1/60
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
74 words
the dye solution comprising by weight, i. 10% to 20% of a dye of the formula ##STR5## wherein R is H or Cl, and X is a mixture of di- and tri- C 1-4 alkanolammonium, ii. 15% to 30% of n-butanol, iii. 10% to 20% of ethyleneglycol, iv. 10% to 20% of nonionic polyethylene oxide-polypropylene oxide copolymer surfactant, v. 5% to 10% of nonionic polyethoxylated aliphatic amine surfactant, and vi. 0 to 50% water.
Claim 2
Dependent Claim
74 words
the dye solution comprising by weight, i. 10% to 20% of a dye of the formula ##STR5## wherein R is H or Cl, and X is a mixture of di- and tri- C 1-4 alkanolammonium, ii. 15% to 30% of n-butanol, iii. 10% to 20% of ethyleneglycol, iv. 10% to 20% of nonionic polyethylene oxide-polypropylene oxide copolymer surfactant, v. 5% to 10% of nonionic polyethoxylated aliphatic amine surfactant, and vi. 0 to 50% water.
Claim 3
Dependent Claim
55 words
The dye solution of claim 1 comprising, by weight, i. 15% to 17% of dye, ii. 18% to 20% of n-butanol, iii. 13% to 15% of ethyleneglycol, iv. 10% to 12% of nonionic polyethylene oxide-polypropylene oxide copolymer surfactant, v. 5% to 7% of nonionic polyethoxylated aliphatic amine surfactant, and vi. 30% to 35% of water.
Claim 4
Dependent Claim
41 words
The dye solution of claim 1 wherein the nonionic surfactant (iv) is the polyethylene oxide-polypropylene oxide copolymer having a hydrophobic polypropylene oxide molecular weight of 1750, amd containing 10% by weight of ethylene oxide and 90% by weight of propylene oxide.
Claim 5
Dependent Claim
26 words
The dye solution of claim 1 wherein the nonionic surfactant (v) is obtained by reacting tallowamine with 16 moles of ethylene oxide per mole of amine.
Claim 6
Dependent Claim
62 words
The dye solution of claim 1 wherein the nonionic surfactant (iv) is polyethylene oxide - polypropylene oxide copolymer having a hydrophobic polypropylene oxide molecular weight of 1750, and containing 10% by weight of ethylene oxide and 90% by weight of propylene oxide, and the nonionic surfactant (v) is obtained by reacting tallowamine with 16 moles of ethylene oxide per mole of amine.
Claim 7
Dependent Claim
43 words
The dye solution of claim 2 wherein the non-ionic surfactant (iv) is the polyethylene oxide - polypropylene oxide copolymer having a hydrophobic polypropylene oxide molecular weight of 1750, and containing 10% by weight of ethylene oxide and 90% by weight of propylene oxide.
Claim 8
Dependent Claim
26 words
The dye solution of claim 2 wherein the non-ionic surfactant (v) is obtained by reacting tallowamine with 16 moles of ethylene oxide per mole of amine.
Claim 9
Dependent Claim
62 words
The dye solution of claim 2 wherein the non-ionic surfactant (iv) is polyethylene oxide - polypropylene oxide copolymer having a hydrophobic polypropylene oxide molecular weight of 1750, and containing 10% by weight of ethylene oxide and 90% by weight of propylene oxide, and the nonionic surfactant (v) is obtained by reacting tallowamnine with 16 moles of ethylene oxide per mole of amine.
Claim 10
Dependent Claim
11 words
The dye solution of claim 1 wherein the dye is 5-amino-4-(2',5'-dichloro-4'-sulfophenylazo)-3-methyl-1-phenylpyrazole.
Claim 11
Dependent Claim
11 words
The dye solution of claim 1 wherein the dye is 5-amino-4-(2',5'-dichloro-4'-sulfophenylazo)-3-methyl-1-p-chlorophenylpyrazole.
Claim 12
Dependent Claim
11 words
The dye solution of claim 2 wherein the dye is 5-amino-4-(2',5'-dichloro-4'-sulfophenylazo)-3-methyl-1-phenylpyrazole.
Claim 13
Dependent Claim
11 words
The dye solution of claim 2 wherein the dye is 5-amino-4-(2',5'-dichloro-4'-sulfophenylazo)-3-methyl-1-p-chlorophenylpyrazole.
Claim 14
Dependent Claim
11 words
The dye solution of claim 8 wherein the dye is 5-amino-4(2',5'-dichloro-4'-sulfonphenylazo)-3-methyl-1-p-chlorophenylpyrazole.
Claim 15
Dependent Claim
51 words
The dye solution of claim 2 comprising, by weight, 16% of the dye wherein R is Cl and X is a mixture of di- and triethanolammonium, 19% of n-butanol, 14% of ethyleneglycol, 10% of nonionic polyethylene oxide-polypropylene oxide copolymer surfactant, 6% of nonionic polyethoxylated aliphatic amine surfactant, and 35% of water.
References Cited (Backward Citations)
US1982045A
Cited
US2674619A
Cited
US3012843A
Cited
US3071427A
Cited
US3324106A
Cited
US3549612A
Cited
US3803122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-22 | 1981-02-21 | 1981-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-22 | 1985-02-21 | 1985-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-22 | 1989-02-21 | 1989-08-23 | $7700.00 | Window Closed / Lapsed |