Blue dye and methods of manufacture and use thereof

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专利权人:

发明人:

Eric Stroud,Gary J. Pieringer

申请号：

US13857632

公开号：

US08979987B1

申请日:

2013.04.05

申请国别(地区):

US

年份:

2015

代理人:

摘要：

Provided, amongst other things, are dyes of formula II:wherein R1, R2, R3 and R4 are independently H or alkyl, so long as one or more is alkyl, and salts of the compound of formula II. Methods of making, inks, surgical markers and methods of marking tissue and the like are further provided.

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