Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Intermediates for the preparation of vitamin A and carotenoids and process for their preparation

Intermediates for the preparation of vitamin A and carotenoids and process for their preparation

US Patent 5639919 · Granted Jun 17, 1997

Estimated economic value: $55,138,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Oral suspension of temozolomide2023
Pyrazolopyridine derivatives as anticancer agent2014
Pyrroloquinoline derivatives and their use as protein kinases inhibitors2013
Process for the preparation of substituted phenols1998
Intermediates for the preparation of vitamin A and carotenoids and process for t1997
Process for the preparation of vitamin A and new intermediates1997
Intermediates for the preparation of vitamin A and carotenoids and process for t1996
Intermediates for the preparation of vitamin A and carotenoids and process for t1996
Chiral reaction medium for organic reactions1992