Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for producing polyesters from aliphatic dicarboxylic acids and polyalkylpiperidyldiols

Process for producing polyesters from aliphatic dicarboxylic acids and polyalkylpiperidyldiols

US Patent 4507463 · Granted Mar 26, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl grou2002
Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl grou2002
Process for the preparation of 2-(2,4-dihydroxylphenyl)-4,6-bis(2,4-dimehylpheny1998
Process for the preparation of thiophene-2-5-dicarboxylic acid and the dichlorid1997
Process for the preparation of alkylated aromatic carboxylic acids and acyl hali1997
Azo coupling of 2-nitroanilines with 2,4,-disbustituted phenols1995
Process for the methylation of triazine compounds containing 2,2,6,6-tetramethyl1992
Process for the preparation of sterically hindered hydroxyphenylcarboxylic acid 1987
Ortho cyclohexyl, para hydroxy aralkanoic acid esters and amide antioxidants1987
Solvent-free crystallization of pentaerythritol tetrakis-[3-(3,5-di-tert-butyl-41987
Process for the preparation of sterically hindered hydroxyphenylcarboxylic acid 1986
Process for the preparation of sterically hindered hydroxphenylcarboxylic acid e1985