US4347173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opaque black dye for color coding of wire enamels, varnishes and synthetic resins
Assignee: Ranbar Electrical Materials Inc
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Filing: 1980-06-06
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Granted: 1982-08-31
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Expires: 2000-06-06
Abstract
Abstract Disclosed is an opaque black dye which can be used to color wire enamels, varnishes and resins. The dye is a mixture of a blue dye and a red dye. The blue dye is a phthalocyanine, preferably a copper phthalocyanine and the red dye is a mixture of a rhodamine dye and a chromium complex.
Inventors
- 👤 Jacques S. Merian
- 👤 Gerald J. Schiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:04
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/308; C; C09; C09B; C09B67/00; C09B67/0033; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
33 words
An organic wire enamel, varnish, or synthetic resin containing a phthalocyanine blue dye and a red dye which is a mixture of a rhodamine violet dye and a monoazo chromium complex yellow dye.
Claim 2
Dependent Claim
33 words
An organic wire enamel, varnish, or synthetic resin containing a phthalocyanine blue dye and a red dye which is a mixture of a rhodamine violet dye and a monoazo chromium complex yellow dye.
Claim 3
Dependent Claim
31 words
An organic wire enamel, varnish, or synthetic resin according to claim 1, wherein the blue dye has the general formula: ##STR7## where M is copper, magnesium, aluminum, chromium, nickel or iron.
Claim 4
Dependent Claim
15 words
An organic wire enamel, varnish, or resin according to claim 2 wherein M is copper.
Claim 5
Dependent Claim
58 words
An organic wire enamel, varnish, or synthetic resin according to claim 3, wherein said blue dye has the general formula: ##STR8## where R is --SO 2 NHCH 2 CH 2 CH 2 CH(CH 3 ) 2 , SO 3 --N + H 2 CH 2 CH 2 CH 2 CH(CH 3 ) 2 , or synthetic mixtures thereof.
Claim 6
Dependent Claim
47 words
An organic wire enamel, varnish, or synthetic resin according to claim 4, wherein said violet dye has the general formula: ##STR9## where R 1 is alkyl from C 1 to C 6 and X - is an anion, and said yellow dye has the general formula: ##STR10##
Claim 7
Dependent Claim
29 words
An organic wire enamel, varnish, or synthetic resin according to claim 5, wherein said violet dye has the formula: ##STR11## and said yellow dye has the general formula: ##STR12##
Claim 8
Independent Claim
47 words
A method of coloring an organic wire enamel, varnish, or synthetic resin an opaque jet black color comprising adding thereto a mixture of a phthalocyanine blue dye and a red dye which is a mixture of a rhodamine violet dye and a monoazo chromium complex yellow dye.
Claim 9
Independent Claim
47 words
A method of coloring an organic wire enamel, varnish, or synthetic resin an opaque jet black color comprising adding thereto a mixture of a phthalocyanine blue dye and a red dye which is a mixture of a rhodamine violet dye and a monoazo chromium complex yellow dye.
Claim 10
Dependent Claim
29 words
An organic wire enamel, varnish, or resin according to claim 1 wherein the weight ratio of said blue dye to said red dye is about 1:1 to about 3:1.
Claim 11
Dependent Claim
19 words
An organic wire enamel, varnish, or resin according to claim 1, which contains about 1% to about 4% dye.
Claim 12
Dependent Claim
31 words
An organic wire enamel, varnish, or resin according to claim 1 wherein said red dye is about 40% to about 60% yellow dye and about 40% to about 60% violet dye.
Claim 13
Dependent Claim
23 words
An organic wire enamel, varnish or synthetic resin according to claim 1 wherein said wire enamel, varnish, or synthetic resin is a polyester-amide-imide.
Claim 14
Dependent Claim
26 words
An organic wire enamel, varnish, or synthetic resin according to claim 1 wherein said wire enamel, varnish, or synthetic resin is an alkyd modified phenolic resin.
References Cited (Backward Citations)
US2348536A
Cited
US3594228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-30 | 1986-03-01 | 1986-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-30 | 1990-03-01 | 1990-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-30 | 1994-03-01 | 1994-08-31 | $7700.00 | Window Closed / Lapsed |