CA1274506A - Methode de preparation de solutions de colorants rouges anioniques en concentration - Google Patents

Methode de preparation de solutions de colorants rouges anioniques en concentration

Info

Publication number
CA1274506A
CA1274506A CA000527134A CA527134A CA1274506A CA 1274506 A CA1274506 A CA 1274506A CA 000527134 A CA000527134 A CA 000527134A CA 527134 A CA527134 A CA 527134A CA 1274506 A CA1274506 A CA 1274506A
Authority
CA
Canada
Prior art keywords
dye
so2n
water soluble
lower alkyl
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA000527134A
Other languages
English (en)
Inventor
Jay E. Rowe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crompton and Knowles Corp
Original Assignee
Crompton and Knowles Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/824,306 external-priority patent/US4654045A/en
Application filed by Crompton and Knowles Corp filed Critical Crompton and Knowles Corp
Application granted granted Critical
Publication of CA1274506A publication Critical patent/CA1274506A/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Coloring (AREA)
CA000527134A 1986-01-30 1987-01-12 Methode de preparation de solutions de colorants rouges anioniques en concentration Expired - Fee Related CA1274506A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/824,306 US4654045A (en) 1985-05-03 1986-01-30 Process for preparation of concentrated anionic red dye solutions
US824,306 1986-01-30

Publications (1)

Publication Number Publication Date
CA1274506A true CA1274506A (fr) 1990-09-25

Family

ID=25241068

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000527134A Expired - Fee Related CA1274506A (fr) 1986-01-30 1987-01-12 Methode de preparation de solutions de colorants rouges anioniques en concentration

Country Status (2)

Country Link
JP (1) JPS63189470A (fr)
CA (1) CA1274506A (fr)

Also Published As

Publication number Publication date
JPS63189470A (ja) 1988-08-05

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Legal Events

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