CS189881B1 - Optical brighteners based upon dimethylaminocoumarine - Google Patents

Optical brighteners based upon dimethylaminocoumarine

Info

Publication number
CS189881B1
CS189881B1 CS492974A CS492974A CS189881B1 CS 189881 B1 CS189881 B1 CS 189881B1 CS 492974 A CS492974 A CS 492974A CS 492974 A CS492974 A CS 492974A CS 189881 B1 CS189881 B1 CS 189881B1
Authority
CS
Czechoslovakia
Prior art keywords
dimethylaminocoumarine
optical brighteners
brighteners based
optical
brighteners
Prior art date
Application number
CS492974A
Other languages
English (en)
Inventor
Josef Arient
Ladislav Brabenec
Jaromir Pirkl
Jiri Podstata
Original Assignee
Josef Arient
Ladislav Brabenec
Jaromir Pirkl
Jiri Podstata
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 Josef Arient, Ladislav Brabenec, Jaromir Pirkl, Jiri Podstata filed Critical Josef Arient
Priority to CS492974A priority Critical patent/CS189881B1/cs
Publication of CS189881B1 publication Critical patent/CS189881B1/cs

Links

CS492974A 1974-07-11 1974-07-11 Optical brighteners based upon dimethylaminocoumarine CS189881B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS492974A CS189881B1 (en) 1974-07-11 1974-07-11 Optical brighteners based upon dimethylaminocoumarine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS492974A CS189881B1 (en) 1974-07-11 1974-07-11 Optical brighteners based upon dimethylaminocoumarine

Publications (1)

Publication Number Publication Date
CS189881B1 true CS189881B1 (en) 1979-05-31

Family

ID=5393118

Family Applications (1)

Application Number Title Priority Date Filing Date
CS492974A CS189881B1 (en) 1974-07-11 1974-07-11 Optical brighteners based upon dimethylaminocoumarine

Country Status (1)

Country Link
CS (1) CS189881B1 (cs)

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