loadpatents
Patent applications and USPTO patent grants for Zhang; Hong J..The latest application filed is for "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".
Patent | Date |
---|---|
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 Grant 5,773,396 - Zhang , et al. June 30, 1 | 1998-06-30 |
System for automatic video segmentation and key frame extraction for video sequences having both sharp and gradual transitions Grant 5,635,982 - Zhang , et al. June 3, 1 | 1997-06-03 |
Composition for cleaning and wetting contact lenses Grant 5,604,189 - Zhang , et al. February 18, 1 | 1997-02-18 |
Composition for cleaning and wetting contact lenses Grant 5,500,144 - Potini , et al. March 19, 1 | 1996-03-19 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.