P

Inventor

RAGHUNATHAN YEGNASWAMI

US6 patents
⚠️ This page may combine multiple inventors who share the name “RAGHUNATHAN YEGNASWAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PENNWALT CORP

3 patents
US4221778ASep 9, 1980

Prolonged release pharmaceutical preparations

PENNWALT CORP324 citations97
US4847077AJul 11, 1989

Controlled release pharmaceutical preparations

PENNWALT CORP80 citations94
US4522818AJun 11, 1985

Diuretic/antihypertensive compositions

PENNWALT CORP4 citations61

FISONS CORP

3 patents
US4959219ASep 25, 1990

Coating barriers comprising ethyl cellulose

FISONS CORP98 citations94
US4859461AAug 22, 1989

Coatable ion exchange resins

FISONS CORP66 citations94
US4859462AAug 22, 1989

Polymer-treated ion exchange resins

FISONS CORP27 citations91