Description
Class C09B : ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES
Subclass 1/18: Dyes with an anthracene nucleus not condensed with any other ring Amino anthraquinones Preparation by synthesis of the nucleus
C09B 1/18
Sub-Class
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 0 Total Patent Owners
- 0 TOTAL INVENTORS
Recent Patents
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Patents Issued To Date - By Filing Year
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