{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Process for crystallizing chroman-I from an impure mixture", "item": "https://www.patentleaderboard.com/patent/5773633"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for crystallizing chroman-I from an impure mixture

Process for crystallizing chroman-I from an impure mixture

US Patent 5773633 · Granted Jun 30, 1998

Estimated economic value: $40,123,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Chemical reactor system and process2005
Chemical reactor system and process2004
Regeneration of catalysts used in the manufacture of bisphenols2004
Production of low-particulate bisphenol and use thereof in the manufacturing of 2003
Combination ion exchange resin bed for the synthesis of bisphenol A2002
Process for the manufacture of bisphenol-A2001
Liquid vacuum pump seal to reduce contamination in bisphenol-A2000
Method for making tris(hydroxyphenyl) compounds using ion exchange resins1999
Process for manufacture of bisphenol1998
Method for making tris(hydroxyphenyl) compounds using ion exchange1998
Process and composition1995
Purification of bisphenol-A1995