Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polyamide from diamino-t-butylbenzene

Polyamide from diamino-t-butylbenzene

US Patent 4973659 · Granted Nov 27, 1990

Estimated economic value: $47,539,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Sulfided fischer-tropsch catalyst2013
Photoimageable compositions and films for printed wiring board manufacture2002
Polyanhydride crosslinked fibrous cellulosic products and process for their prep2001
Polyanhydride crosslinked fibrous cellulosic products and process for their prep1999
Polymide optical waveguide structures1997
Concentrate for use in the melt fabrication of polyester1996
Concentrate for use in the melt fabrication of polyester1996
Increased throughput in melt fabrication and foaming of polyester1995
Increased throughput in melt fabrication and foaming of polyester1994
Polyimide copolymers containing 3,3',4,4'-tetracarboxybiphenyl dianhydride (BPDA1994
Wet-etch process and composition1994
Increased throughput in foaming and other melt fabrication of polyester1994