Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process and catalyst for the orthomethylation of phenols

Process and catalyst for the orthomethylation of phenols

US Patent 4644086 · Granted Feb 17, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Use of substituted diphenyls as heat transfer fluids1995
Method for the cyclooligomerization of 3-hydroxy-1 alkynes1994
Polyethers, their production and use1993
Liquid dehalogenating agents1992
Ultrasound method of reactivating deactivated hydrogenation catalyts1992
Method of manufacturing dihydromyrcenol from dihydromyrcenyl chloride1992
Esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxylphenyl(alkane) carboxyl1990
Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carbox1990
Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carbox1989
Catalyst for the orthomethylation of phenols1988
Catalyst for the orthomethylation of phenols1988
Method for preparing lactams having 8 to 15 carbon atoms from the corresponding 1987