Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of polyarylene ether from activated dihalo benzenoid monomer, dihydroxy benzenoid monomer and Bis(hydroxyphenyl) monomer

Production of polyarylene ether from activated dihalo benzenoid monomer, dihydroxy benzenoid monomer and Bis(hydroxyphenyl) monomer

US Patent 4777235 · Granted Oct 11, 1988

Estimated economic value: $12,801,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for screening of polycondensation catalysts2010
Polytrimethylene terephthalate having a low level of acrolein and a process for 2008
Process for producing polytrimethylene terephthalate2007
Process for producing polytrimethylene terephthalate (PTT)2004
Process for making polytrimethylene terephthalate2003
Process for recycling polytrimethylene terephthalate cyclic dimer2003
Process of producing polytrimethylene terephthalate (PTT)2003
Optimum dipropylene glycol content polytrimethylene terephthalate compositions2003
Process of producing polytrimethylene terephthalate (PTT)2001
Process of producing polytrimethylene terephthalate (PTT)2001
Purification of 1,3-propanediol in carbonyl-containing stream2001
Modified polytrimethylene terephthalate2001