Inventor

ZHANG HONG J

US4 patents

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

POLYMER TECHNOLOGY CORP

2 patents

US5773396AJun 30, 1998

Contact lens cleaning and wetting solutions containing a non-amine polyethyleneocy adduct having a HLB value of at least about 18, a surface active agent having a HLB of less than 18, and wetting agent

POLYMER TECHNOLOGY CORP84 citations95

US5500144AMar 19, 1996

Composition for cleaning and wetting contact lenses

POLYMER TECHNOLOGY CORP39 citations91

(unassigned)

2 patents

US5604189AFeb 18, 1997

Composition for cleaning and wetting contact lenses

72 citations94

US5635982AJun 3, 1997

System for automatic video segmentation and key frame extraction for video sequences having both sharp and gradual transitions

337 citations93