Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Substituted .alpha.-pyrones and process for their preparation

Substituted .alpha.-pyrones and process for their preparation

US Patent 5004814 · Granted Apr 2, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Substituted naphthacene-5,12-diones and their use1995
Substituted benzocyclobutenes, a process for their preparation and their use1993
Substituted naphthacene-5,12-diones1992
Substituted .alpha.-pyrones1991
Substituted naphthacene-5, 12-diones1991
Substituted tetrathiotetracenes and tetraselenotetracenes1991
Process for the preparation of the 2-substituted-5-vinylpyrimidines1988
2- or 2,3-substituted 5,6,11,12-tetrathiotetracene and 5,6,11,12-tetraselenotetr1986
Phthalic acid derivatives which are substituted by 2-propynyloxy groups, process1986
Thioxanthonecarboxylic acids, esters thioesters and amides with reactive functio1986
2-substituted 5-vinylpyrimidines, polymer obtainable therefrom and preparation t1986
Thioxanthonecarboxylic acid esters, thioesters and amides1985