Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of preparing 3,4-dihydro-alpha-pyrones

Method of preparing 3,4-dihydro-alpha-pyrones

US Patent 4673751 · Granted Jun 16, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for preparing n, n'-disubstituted p-quinonediimines, their use and organ2000
Process for the preparation of methoxyacetic acid esters2000
Process for preparing malonic acid and alkylmalonic acids1999
Process for the preparation of cyclopropane-1, 1-dicarboxylic acid derivatives1999
Process for preparing N,N'-disubstituted P-quinonediimines, their use and organo1999
Process for preparing alkyl- and arylmalonic acids1998
Dialkyl 2-haloethyl malonates1996
Preparation of esters of cyclopropane-1,1-dicarboxylic acid1996
Process for preparing n-alkyllactams1996
Process for preparing dialkyl 2-haloethyl malonates1995
Process for the preparation of ketals1995
Method of preparing substituted malonic ester anilides and malonic acid mono-ani1994