Inventor

SHEN CHAH M

US6 patents

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

JESSEN INC WESLEY

4 patents

US4228269AOct 14, 1980

SCHERING CORP

1 patent

US4405773ASep 20, 1983

Hydrophylic contact lenses and methods for making same

SCHERING CORP54 citations95

LOSHAEK SAMUEL

1 patent

US4182802AJan 8, 1980

Hydrophilic polymers and contact lenses of high water content

LOSHAEK SAMUEL33 citations88

SHEN CHAH M

JESSEN INC WESLEY

Contact lenses of high gas permeability

Contact lenses of high gas permeability and method

Gas-permeable lens

Method of producing optically clear hydrophilic copolymers and contact lenses

SCHERING CORP

Hydrophylic contact lenses and methods for making same

LOSHAEK SAMUEL

Hydrophilic polymers and contact lenses of high water content