US4282000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyestuff solutions, their preparation and their use for dyeing paper
Assignee: Bayer AG
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Filing: 1980-01-25
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Granted: 1981-08-04
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Expires: 2000-01-25
Abstract
Abstract Aqueous solutions of copper phthalocyanine-sulphonic acid salts of the formula ##STR1## in which Cu--Pc a copper phthalocyanine radical, m a number from 1.8 to 3.0, q a number from 1.0 to 2.0, with the proviso that the sum m+q is a number from 2.8 to 4.0, and M.sup.⊕ a mixture of A n .sup.⊕ and an ammonium ion of the formula ##STR2## wherein A.sup.⊕ represents an alkali metal ion or NH 4 ion, n represents a number from 0.8 to 2.0, m has the meaning indicated above, R 1 and R 2 designate hydrogen, C 1 --C 4 --alkyl or a radical --(CH 2 --CH 2 --O) p --H and R 3 designates the radical --(CH 2 --CH 2 --O) p --H, wherein p is 1, 2, 3, 4, 5 or 6, process for the preparation of these solutions and their use for dyeing paper.
Inventors
- 👤 Manfred Groll
- 👤 Friedhelm Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:59
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/02; C09B69/04; C09B47/00; C09B47/04; C09B47/08; C09B47/24; C09B47/26; C09B67/00; C09B67/0071; C09B67/0072; C09B67/0073; D; D21; D21H; D21H21/00; D21H21/14; D21H21/28; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/919
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
132 words
Aqueous solutions of copper phthalocyaninesulphonic acid salts of the formula ##STR6## in which Cu-Pc a copper phthalocyanine radical, m a number from 1.8 to 3.0, q a number from 1.0 to 2.0, with the proviso that the sum m+q is a number from 2.8 to 4.0, and M.sup.⊕ a mixture of A n .sup.⊕ and an ammonium ion of the formula ##STR7## wherein A.sup.⊕ represents an alkali metal ion or NH 4 ion, n represents a number from 0.8 to 2.0, m has the meaning indicated above, R 1 and R 2 designate hydrogen, C 1 --C 4 --alkyl or a radical --(CH 2 --CH 2 --O) p --H and R 3 designates the radical --(CH 2 --CH 2 --O) p --H, wherein p is 1, 2, 3, 4, 5 or 6.
Claim 2
Dependent Claim
132 words
Aqueous solutions of copper phthalocyaninesulphonic acid salts of the formula ##STR6## in which Cu-Pc a copper phthalocyanine radical, m a number from 1.8 to 3.0, q a number from 1.0 to 2.0, with the proviso that the sum m+q is a number from 2.8 to 4.0, and M.sup.⊕ a mixture of A n .sup.⊕ and an ammonium ion of the formula ##STR7## wherein A.sup.⊕ represents an alkali metal ion or NH 4 ion, n represents a number from 0.8 to 2.0, m has the meaning indicated above, R 1 and R 2 designate hydrogen, C 1 --C 4 --alkyl or a radical --(CH 2 --CH 2 --O) p --H and R 3 designates the radical --(CH 2 --CH 2 --O) p --H, wherein p is 1, 2, 3, 4, 5 or 6.
Claim 3
Dependent Claim
25 words
Aqueous solutions according to claim 1, wherein R 1 , R 2 and R 3 designate --CH 2 --CH 2 --O--CH 2 --CH 2 --OH.
Claim 4
Dependent Claim
65 words
Process for the preparation of solutions according to claim 1, characterised in that copper phthalocyanine-(sulphonyl chloride)-sulphonic acids with 2.8 to 4.0 sulpho groups, of which 0.7 to 1.5 groups are present in the form of sulphonic acid groups, are reacted with ammonia and an amine of the formula ##STR8## wherein R 1 , R 2 and R 3 have the meaning indicated in claim 1.
Claim 5
Dependent Claim
16 words
Process according to claim 3 wherein an alkali metal hydroxide is added as an acid-binding agent.
Claim 6
Dependent Claim
24 words
An aqueous solution according to claim 1, wherein R 1 designates C 2 H 5 and R 3 is --CH 2 CH 2 OH.
Claim 7
Dependent Claim
22 words
An aqueous solution according to claim 1, wherein R 2 designates CH 3 and R 3 designates --CH 2 CH 2 OH.
Claim 8
Dependent Claim
30 words
An aqueous solution according to claim 1, wherein R 1 designates C 2 H 5 , R 2 designates CH 3 and R 3 designates --CH 2 CH 2 OH.
Claim 9
Dependent Claim
15 words
Process for dyeing paper, characterised in that dyestuff solutions according to claim 1 are used.
Claim 10
Dependent Claim
130 words
A copper phthalocyanine-sulphonic acid salt of the formula ##STR9## in which Cu-Pc a copper phthalocyanine radical, m a number from 1.8 to 3.0, q a number from 1.0 to 2.0, with the proviso that the sum m+q is a number from 2.8 to 4.0, and M.sup.⊕ a mixture of A n .sup.⊕ and an ammoniun ion of the formula ##STR10## wherein A.sup.⊕ represents an alkali metal ion or NH 4 ion, n represents a number from 0.8 to 2.0, m has the meaning indicated above, R 1 and R 2 designate hydrogen, C 1 --C 4 --alkyl or a radical --(CH 2 --CH 2 --O) p --H and R 3 designates the radical --(CH 2 --CH 2 --O) p --H, wherein p is 1, 2, 3, 4, 5 or 6.
Claim 11
Dependent Claim
130 words
A copper phthalocyanine-sulphonic acid salt of the formula ##STR9## in which Cu-Pc a copper phthalocyanine radical, m a number from 1.8 to 3.0, q a number from 1.0 to 2.0, with the proviso that the sum m+q is a number from 2.8 to 4.0, and M.sup.⊕ a mixture of A n .sup.⊕ and an ammoniun ion of the formula ##STR10## wherein A.sup.⊕ represents an alkali metal ion or NH 4 ion, n represents a number from 0.8 to 2.0, m has the meaning indicated above, R 1 and R 2 designate hydrogen, C 1 --C 4 --alkyl or a radical --(CH 2 --CH 2 --O) p --H and R 3 designates the radical --(CH 2 --CH 2 --O) p --H, wherein p is 1, 2, 3, 4, 5 or 6.
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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) | 1984-08-03 | 1985-02-02 | 1985-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-03 | 1989-02-02 | 1989-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-03 | 1993-02-02 | 1993-08-04 | $7700.00 | Window Closed / Lapsed |