FR578435A - Production of new dyestuffs and the resulting products - Google Patents

Production of new dyestuffs and the resulting products

Info

Publication number
FR578435A
FR578435A FR578435DA FR578435A FR 578435 A FR578435 A FR 578435A FR 578435D A FR578435D A FR 578435DA FR 578435 A FR578435 A FR 578435A
Authority
FR
France
Prior art keywords
production
resulting products
new dyestuffs
dyestuffs
new
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
Application number
Other languages
French (fr)
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.)
Bayer AG
Original Assignee
Farbenfabriken Vorm Friedr Bayer and Co
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
Application filed by Farbenfabriken Vorm Friedr Bayer and Co filed Critical Farbenfabriken Vorm Friedr Bayer and Co
Application granted granted Critical
Publication of FR578435A publication Critical patent/FR578435A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
FR578435D 1924-03-11 1924-03-11 Production of new dyestuffs and the resulting products Expired FR578435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB624124A GB232740A (en) 1924-03-11 1924-03-11 The manufacture of polymethine dyestuffs

Publications (1)

Publication Number Publication Date
FR578435A true FR578435A (en) 1924-09-25

Family

ID=9810960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578435D Expired FR578435A (en) 1924-03-11 1924-03-11 Production of new dyestuffs and the resulting products

Country Status (3)

Country Link
DE (1) DE415534C (en)
FR (1) FR578435A (en)
GB (1) GB232740A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120858A (en) * 1991-03-25 1992-06-09 Miles Inc. Process for the preparation of trimethine dyestuffs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105778A1 (en) * 1981-02-17 1982-09-02 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING TRIMETHINE DYES
DE19911421A1 (en) * 1999-03-11 2000-10-05 Dyomics Gmbh Laser compatible NIR marker dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120858A (en) * 1991-03-25 1992-06-09 Miles Inc. Process for the preparation of trimethine dyestuffs

Also Published As

Publication number Publication date
GB232740A (en) 1925-04-30
DE415534C (en) 1925-06-22

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