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Water soluble, randomly substituted partial N-, partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof
Grant 7,683,039 - Hung , et al. March 23, 2 | 2010-03-23 |
Water-soluble chitosan having low endotoxin concentration and methods for making and using the same
App 20060293509 - Hung; William M. ; et al. | 2006-12-28 |
Water-soluble chitosan having low endotoxin concentration and methods for making and using the same
Grant 7,125,967 - Hung , et al. October 24, 2 | 2006-10-24 |
Water-soluble chitosan having low endotoxin concentration and methods for making and using the same
App 20050080245 - Hung, William M. ; et al. | 2005-04-14 |
Water soluble, randomly substituted partial N-, partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof
App 20040127461 - Hung, William M. ; et al. | 2004-07-01 |
Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof
Grant 6,716,970 - Hung , et al. April 6, 2 | 2004-04-06 |
Methods of applying a coating to an optical surface
App 20030152693 - Su, Kai C. ; et al. | 2003-08-14 |
Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof
App 20020177577 - Hung, William M. ; et al. | 2002-11-28 |
Preserving compositions containing chitosan and processes for making water soluble O-acetylated chitosan and chitosan
App 20020018732 - Hung, William M. ; et al. | 2002-02-14 |
Polymerizable Composition And Optical Articles Using The Same
App 20020004574 - HUNG, WILLIAM M. ; et al. | 2002-01-10 |
Ultraviolet absorbing lenses and methods of manufacture thereof
Grant 5,500,024 - Hung , et al. March 19, 1 | 1996-03-19 |
Bis{[1-(2-A-2-B)ethenyl]}[2-R.sup.2 -4-X-phenyl-or 1-(2-R.sup.2 -4-X-phenyl)ethenyl]methanes
Grant 5,491,262 - Hung February 13, 1 | 1996-02-13 |
Ultraviolet absorbing lenses and methods of manufacturing thereof
Grant 5,298,033 - Hung , et al. March 29, 1 | 1994-03-29 |
Ultraviolet radiation absorbing agent for bonding to an ocular lens
Grant 5,098,445 - Hung , et al. March 24, 1 | 1992-03-24 |
Tinted contact lens and method of manufacture thereof: reactive dye and quaternary phosphonium salt
Grant 5,021,068 - Hung , et al. June 4, 1 | 1991-06-04 |
Reactive uv absorbing compositions and method of preparing lenses therefrom
Grant 4,963,160 - Hung , et al. October 16, 1 | 1990-10-16 |
Tinted contact lens and method of tinting with reactive dye and quaternary ammonium salt
Grant 4,954,132 - Hung , et al. September 4, 1 | 1990-09-04 |
Ultraviolet absorbing lenses and method of making the same
Grant 4,929,250 - Hung , et al. May 29, 1 | 1990-05-29 |
3-amido-7-disubstituted amino-10-carbonylphenothiazines
Grant 4,652,643 - Gunn , et al. March 24, 1 | 1987-03-24 |
Electrochromic marking systems
Grant 4,561,001 - Gunn , et al. December 24, 1 | 1985-12-24 |
Electrochromic and marking systems
Grant 4,551,740 - Hung November 5, 1 | 1985-11-05 |
Method for sanitizing toilets
Grant 4,536,368 - Hung , et al. August 20, 1 | 1985-08-20 |
Method for sanitizing toilets
Grant 4,536,367 - Hung , et al. August 20, 1 | 1985-08-20 |
3-[(Substituted-amino)(aryl)methyl]-1H-indoles
Grant 4,398,030 - Schmidt , et al. August 9, 1 | 1983-08-09 |
Duplicating and marking systems
Grant 4,343,493 - Schmidt , et al. August 10, 1 | 1982-08-10 |
Processes for preparing substituted furopyridinones and furopyrazinones
Grant 4,337,340 - Schmidt , et al. June 29, 1 | 1982-06-29 |
Carbonless duplicating and marking systems
Grant 4,307,898 - Schmidt , et al. December 29, 1 | 1981-12-29 |
Novel compounds, processes and marking systems
Grant 4,257,954 - Schmidt , et al. March 24, 1 | 1981-03-24 |
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