Inventor

HUNG WILLIAM M

US71 patents

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

HUNG WILLIAM M

HILTON DAVIS CHEMICAL CO

Bis{[1-(2-A-2-B)ethenyl]}[2-R2 -4-X-phenyl-or 1-(2-R2 -4-X-phenyl)ethenyl]methanes

Electrochromic marking systems

Electrochromic marking systems

Marking systems

3(Ether and thioether) 3-(4-dialkylaminophenyl) phthalides

Triphenylmethane dyestuffs

Method for sanitizing toilets

Triphenylmethane dyestuff

Method for sanitizing toilets

3-substituted carbonyloxy-7-disubstituted amino-10-substituted carbonylphenothiazines

Electrochromic marking systems

Electrochromic and marking systems

Indole-phthalide derivatives

Imaging systems containing 3-(indol-3-yl)-3-(4-substituted aminophenyl)phthalides

3-amido-7-disubstituted amino-10-carbonylphenothiazines

9-julolidinyl derivatives and process of preparing them

3-(ether and thioether)-3-(indolyl)-phthalides

Substituted indoles

STERLING DRUG INC

Novel compounds, processes and marking systems

Carbonless duplicating and marking systems

3-(9-Julolidinyl)-3-(diphenylamino)phthalides

4-Aryl-bis 2,6-(aminophenyl)pyridines

3-(Pyrrolo and 3-indolyl)-3-diphenylamino substituted phthalides

Carbonless duplicating and marking systems

3-[(Substituted-amino)(aryl)methyl]-1H-indoles

Pyridine color formers

Duplicating and marking systems

Processes for preparing substituted furopyridinones and furopyrazinones

Carbonless duplicating and marking systems

Carbonless duplicating systems

3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalides

Carbazole containing phthalides

CIBA GEIGY CORP

Ultraviolet radiation absorbing agent for bonding to an ocular lens

Ultraviolet absorbing lenses and method of making the same

Ultraviolet absorbing lenses and methods of manufacture thereof

Ultraviolet absorbing benzophenone sulfonic acid derivatives

Process for tinting contact lens

Ultraviolet absorbing lenses and methods of manufacturing thereof

Reactive uv absorbing compositions and method of preparing lenses therefrom

Tinted contact lens and method of tinting with reactive dye and quaternary ammonium salt

Method and container for sterilizing and disinfecting

Tinted contact lens and method of manufacture thereof: reactive dye and quaternary phosphonium salt

ADJUVANT PHARMACEUTICALS LLC

Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof

Water-soluble chitosan having low endotoxin concentration and methods for making and using the same

Water soluble, randomly substituted partial N-, partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof

HILTON DAVIS CO

Novel compounds, process and marking systems

Novel compounds, processes and marking systems

HILTON DAVIS CHEMICAL

Compositions, process and systems

TECHNOLOGY RESOURCE INT CORP

Polymerizable composition and optical articles using the same

HUNG WILLIAM M

Substituted furopyridinones and furopyrazinones