USRE30199E - Oxidation hair dyes based upon tetraaminopyrimidine developers - Google Patents

Oxidation hair dyes based upon tetraaminopyrimidine developers Download PDF

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Publication number
USRE30199E
USRE30199E US05/953,688 US95368878A USRE30199E US RE30199 E USRE30199 E US RE30199E US 95368878 A US95368878 A US 95368878A US RE30199 E USRE30199 E US RE30199E
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US
United States
Prior art keywords
group consisting
triamino
selected
pyrimidine
carbon atoms
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 - Lifetime
Application number
US05/953,688
Inventor
David Rose
Ferdi Saygin
Erwin Weinrich
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 to DE2359399 priority Critical
Priority to DE19732359399 priority patent/DE2359399C3/de
Priority to DE19742447017 priority patent/DE2447017C2/de
Priority to DE2447017 priority
Priority to US05/526,232 priority patent/US4003699A/en
Priority to US05/953,688 priority patent/USRE30199E/en
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Application granted granted Critical
Publication of USRE30199E publication Critical patent/USRE30199E/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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