Inventor
PENHALE DONALD W H
US8 patents
⚠️ This page may combine multiple inventors who share the name “PENHALE DONALD W H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHARMACEUTICAL DELIVERY SYSTEM
3 patentsUS4946931AAug 7, 1990
Polymers containing carboxy-ortho ester and ortho ester linkages
PHARMACEUTICAL DELIVERY SYSTEM162 citations98
US4957998ASep 18, 1990
Polymers containing acetal, carboxy-acetal, ortho ester and carboxyortho ester linkages
PHARMACEUTICAL DELIVERY SYSTEM85 citations95
US5013821AMay 7, 1991
Ortho and thio-ortho ester polymer
PHARMACEUTICAL DELIVERY SYSTEM24 citations92
SANDOZ PHARMACEUTICALS CORP
3 patentsUS4898928AFeb 6, 1990
Polyacetal and polyketal hydrogels formed from acetals or ketals and polyols
SANDOZ PHARMACEUTICALS CORP34 citations92
US4713441ADec 15, 1987
Polyacetal hydrogels formed from divinyl ethers and polyols
SANDOZ PHARMACEUTICALS CORP47 citations92
US4801457AJan 31, 1989
Polyacetal hydrogels formed from divinyl ethers and polyols
SANDOZ PHARMACEUTICALS CORP18 citations81
STANFORD RES INST INT
2 patentsUS4855132AAug 8, 1989
Method of preparing bioerodible polymers having pH sensitivity in the acid range and resulting product
STANFORD RES INST INT60 citations96
US4764364AAug 16, 1988
Method of preparing bioerodible polymers having pH sensitivity in the acid range and resulting product
STANFORD RES INST INT83 citations96