Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for making alpha-phase phthalocyanine blue pigment comprising substantially 100 percent isometric crystals

Process for making alpha-phase phthalocyanine blue pigment comprising substantially 100 percent isometric crystals

US Patent 4859770 · Granted Aug 22, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fault diagnosis apparatus and method2025
Integration gateway2013
Method and device incorporating granular particles and disc-shaped plastic pelle2011
Granular filtration device for water2007
Bacteriostatic filter cartridge2005
Method of making an antimicrobial sintered porous plastic filter2005
Antimicrobial semi-permeable membranes2003
Antimicrobial sintered porous plastic filter2003
Antimicrobial synthetic ion exchange resins2003
Bacteriostatic filter cartridge2001
Antimicrobial treatment of enclosed systems having continuous or intermittent fl2001
Antimicrobial filter cartridge2001