Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for regenerating waste sulfuric acid

Process for regenerating waste sulfuric acid

US Patent 4194952 · Granted Mar 25, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the recovery of valuable materials during the work-up of polyvinyl c1995
Process for conditioning waste sulfuric acid1994
Process for the preparation of a dioxane adduct of 2-hydroxynaphthalene-6-carbox1991
Dioxane adduct of 2-hydroxynaphthalene-6-carboxylic acid and process for the pre1990
Process for the purification of 2-hydroxynaphthalene-6-carboxylic acid1990
Process for the removal of dimethyl ether in methyl chloride1988
Process for the separation of heavy metal compounds from phosphoric acid1984
Process for the purification of effluent1982
Process and device for the introduction of explosive gases into a combustion cha1981