Patents
Sitemap
›
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; Mordants; Lakes
›
C09B 1 - Dyes with an anthracene nucleus not condensed with any other ring
Patents for C09B 1 - Dyes with an anthracene nucleus not condensed with any other ring (1,801)
01/1976
01/06/1976
US3931215
Optical brighteners
1
...
9
10
11
12
13
14
15
16
17
18
19