Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process and catalyst for the selective hydrogenation of butynediol to butenediol

Process and catalyst for the selective hydrogenation of butynediol to butenediol

US Patent 5714644 · Granted Feb 3, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for preparing aminoalkyl nitriles and diamines from such nitriles2013
Process for preparing aminoalkylnitriles and diamines from such nitriles2011
Method for obtaining oligomers of polytetrahydofurane or tetrahydrofurane2010
Catalysts containing copper and zinc for the purification of ethylene2008
Method for the continuous production of N-methyl-2-pyrrolidone (NMP)2007
Method for the production of 2-pyrrolidone2007
Catalysts or carriers which consist essentially of monoclinic zirconium dioxide2007
Method for producing polytetrahydrofurane having a low color indices2006
Method for producing tetrahydrofuran2006
Method of producing an alcoholic solutions of polyetrahydrofurane that comprises2005
Method for the production of polytetrahydrofuran with low color index2005
Method for processing pTHF polymerization catalysts2004