US128027A - Improvement in dyeing with madder colors - Google Patents

Improvement in dyeing with madder colors Download PDF

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Publication number
US128027A
US128027A US128027DA US128027A US 128027 A US128027 A US 128027A US 128027D A US128027D A US 128027DA US 128027 A US128027 A US 128027A
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dyeing
madder
colors
improvement
duncan
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16Amino-anthraquinones
    • C09B1/20Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/28Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups

Definitions

  • This invention has reference to the dyeing of goods or fabrics with the coloring-matter of madder, or with the so-called artificial a-lizarine; and consists: instead of dyeing the goods with the liquor at a lower temperature at the commencement, and gradually increasing its intensity, as now done, we pass the goods through the hot water, saturated with the coloring-matter of madder or artificial alizarine, heated and kept at as high a temperature as throughout, instead of as at present adopted,

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

UNITED STATES PATENT OFFICE.
ALEXANDER CAMPBELL DUNCAN'AND ARCHIBALB DUNCAN, OF MAN- CHESTER, ENGLAND.
IMPROVEMENT IN DYEING WITH MADDER COLORS.
Specification forming part of Letters Patent No. 128,027, dated J une 18, 1872.
To all whom it may concern:
Be it known that we, ALEXANDER CAMP- BELL DUNCAN and AROHIBALD DUNcAN, of the city of Manchester, in the county of Lancaster, in that part of the United Kingdom of Great Britain and Ireland called England, have invented or discovered certain Improvements in Dyeing: and We do hereby declare that the following is a full and exact description thereof-that is to say:
This invention has reference to the dyeing of goods or fabrics with the coloring-matter of madder, or with the so-called artificial a-lizarine; and consists: instead of dyeing the goods with the liquor at a lower temperature at the commencement, and gradually increasing its intensity, as now done, we pass the goods through the hot water, saturated with the coloring-matter of madder or artificial alizarine, heated and kept at as high a temperature as throughout, instead of as at present adopted,
as herein described.
Witness our hands this eighth day of March, one thousand eight hundred and seventy-two.
ALEXR. C; DUNCAN. Witnesses: ARCH. DUNCAN.
G. SEPTIMUS HUGHES, CHAS. W. COLLINS.
US128027D Improvement in dyeing with madder colors Expired - Lifetime US128027A (en)

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US128027A true US128027A (en) 1872-06-18

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