Invention Grant
- Patent Title: Preparation of pigments
- Patent Title (中): 颜料的制备
-
Application No.: US64670932Application Date: 1932-12-10
-
Publication No.: US2000003APublication Date: 1935-04-30
- Inventor: VERBYLA ALBERT E
- Applicant: STANDARD VARNISH WORKS
- Assignee: Standard Varnish Works
- Current Assignee: Standard Varnish Works
- Priority: US64670932 1932-12-10
- Main IPC: C09B67/20
- IPC: C09B67/20
Information query