Lu; Chin H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lu; Chin H..The latest application filed is for "organic sulfate and sulfonate compositions".

Company Profile

0.21.0

Lu; Chin H. - Webster NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Organic sulfate and sulfonate compositions Grant 4,654,175 - Lu , et al. March 31, 1	1987-03-31
Toner compositions containing negative charge enhancing additives Grant 4,480,021 - Lu , et al. October 30, 1	1984-10-30
Toner compositions containing polyanhydride resins Grant 4,442,189 - Lu , et al. April 10, 1	1984-04-10
Ortho-halo phenyl carboxylic acid charge enhancing additives Grant 4,411,974 - Lu , et al. October 25, 1	1983-10-25
Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser Grant 4,338,390 - Lu July 6, 1	1982-07-06
Positive color toners Grant 4,324,851 - Lu , et al. April 13, 1	1982-04-13
Method of imaging using nitrogen-containing additives for magnetic toners Grant 4,312,933 - Lu January 26, 1	1982-01-26
Emulsion polymerization process for dry positive toner compositions employs charge control agent as wetting agent Grant 4,299,903 - AuClair , et al. November 10, 1	1981-11-10
Toners containing alkyl pyridinium compounds and their hydrates Grant 4,298,672 - Lu November 3, 1	1981-11-03
Modification of pigment charge characteristics Grant 4,291,112 - Lu September 22, 1	1981-09-22
Nitrogen-containing additives for magnetic toners having hydrophobic and hydrophilic moiety Grant 4,291,111 - Lu September 22, 1	1981-09-22
Electrographic toner containing resin-compatible quaternary ammonium compound Grant 4,221,856 - Lu September 9, 1	1980-09-09
Single component magnetic toner Grant 4,218,530 - Lu August 19, 1	1980-08-19
In situ coating then spray drying of magnetic toner Grant 4,192,902 - Lu March 11, 1	1980-03-11
Electrostatographic developer with smooth surfaced carrier Grant 4,179,388 - Rahn , et al. December 18, 1	1979-12-18
Field dependent toner having chrome complex coated magnetic particles Grant 4,176,078 - Lu November 27, 1	1979-11-27
Coating magnetite with polyacid Grant 4,161,454 - Lu July 17, 1	1979-07-17
Magnetic toner particle coating process Grant 4,097,620 - Lu June 27, 1	1978-06-27
Conductive inks containing quaternary ammonium compounds Grant 3,985,663 - Lu , et al. October 12, 1	1976-10-12
Electrostatic printing inks Grant 3,954,640 - Lu , et al. May 4, 1	1976-05-04
Non-volatile conductive inks Grant 3,907,694 - Lu September 23, 1	1975-09-23

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.