Pan; Yuh-Guo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pan; Yuh-Guo.The latest application filed is for "primary intermediate for oxidative coloration of hair".

Company Profile

0.29.29

Pan; Yuh-Guo - Stamford CT

*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
Primary intermediate for oxidative coloration of hair App 20060260072 - Lim; Mu-Ill ; et al.	2006-11-23
Primary intermediates for oxidative coloration of hair Grant 7,070,630 - Lim , et al. July 4, 2	2006-07-04
Primary intermediates for oxidative coloration of hair Grant 6,951,574 - Lim , et al. October 4, 2	2005-10-04
Primary intermediates for oxidative coloration of hair Grant 6,916,346 - Lim , et al. July 12, 2	2005-07-12
Primary intermediates for oxidative coloration of hair Grant 6,916,347 - Lim , et al. July 12, 2	2005-07-12
Couplers for use in oxidative hair dyeing Grant 6,908,493 - Lim , et al. June 21, 2	2005-06-21
Primary intermediate for oxidative coloration of hair App 20050091762 - Lim, Mu-Ill ; et al.	2005-05-05
Hair coloring compositions for use in oxidative hair dyeing Grant 6,887,280 - Lim , et al. May 3, 2	2005-05-03
Coupler for use in oxidative hair dyeing Grant 6,861,556 - Lim , et al. March 1, 2	2005-03-01
Couplers for use in oxidative hair dyeing Grant 6,855,174 - Lim , et al. February 15, 2	2005-02-15
Primary intermediates for oxidative coloration of hair Grant 6,838,561 - Lim , et al. January 4, 2	2005-01-04
Primary intermediates for oxidative coloration of hair App 20040255403 - Lim, Mu-Ill ; et al.	2004-12-23
Primary intermediates for oxidative coloration of hair App 20040211011 - Lim, Mu-Iii ; et al.	2004-10-28
Novel coupler for use in oxidative hair dyeing App 20040211012 - Lim, Mu-Ill ; et al.	2004-10-28
Novel couplers for use in oxidative hair dyeing App 20040205909 - Lim, Mu-Ill ; et al.	2004-10-21
Primary intermediates for oxidative coloration of hair App 20040205907 - Lim, Mu-Ill ; et al.	2004-10-21
Primary intermediates for oxidative coloration of hair App 20040205908 - Lim, Mu-Ill ; et al.	2004-10-21
Coupler for use in oxidative hair dyeing Grant 6,806,372 - Lim , et al. October 19, 2	2004-10-19
Novel couplers for use in oxidative hair dyeing App 20040204583 - Lim, Mu-Ill ; et al.	2004-10-14
Primary intermediates for oxidative coloration of hair Grant 6,780,999 - Lim , et al. August 24, 2	2004-08-24
Coupler for use in oxidative hair dyeing Grant 6,776,802 - Lim , et al. August 17, 2	2004-08-17
Primary intermediates for oxidative coloration of hair Grant 6,774,244 - Lim , et al. August 10, 2	2004-08-10
Couplers for use in oxidative hair dyeing Grant 6,765,093 - Lim , et al. July 20, 2	2004-07-20
Primary intermediates for oxidative coloration of hair Grant 6,750,355 - Lim , et al. June 15, 2	2004-06-15
Primary intermediates for oxidative coloration of hair Grant 6,750,339 - Lim , et al. June 15, 2	2004-06-15
Couplers for use in oxidative hair dyeing Grant 6,750,337 - Lim , et al. June 15, 2	2004-06-15
Coupler for use in oxidative hair dyeing Grant 6,703,526 - Lim , et al. March 9, 2	2004-03-09
Couplers for use in oxidative hair dyeing Grant 6,693,196 - Lim , et al. February 17, 2	2004-02-17
Primary intermediates for oxidative coloration of hair Grant 6,673,934 - Lim , et al. January 6, 2	2004-01-06
Primary intermediates for oxidative coloration of hair Grant 6,673,932 - Lim , et al. January 6, 2	2004-01-06
Coupler for use in oxidative hair dyeing Grant 6,673,966 - Lim , et al. January 6, 2	2004-01-06
Novel hair coloring compositions for use in oxidative hair dyeing App 20030196280 - Lim, Mu-Ill ; et al.	2003-10-23
Primary intermediates for oxidative coloration of hair App 20030131422 - Lim, Mu-Iii ; et al.	2003-07-17
Novel couplers for use in oxidative hair dyeing App 20030061667 - Lim, Mu-III ; et al.	2003-04-03
Primary intermediate for oxidative coloration of hair App 20030056303 - Lim, Mu-III ; et al.	2003-03-27
Primary intermediates for oxidative coloration of hair App 20020170124 - Lim, Mu-III ; et al.	2002-11-21
Primary intermediates for oxidative coloration of hair App 20020157192 - Lim, Mu-Ill ; et al.	2002-10-31
Primary intermediates for oxidative coloration of hair App 20020148052 - Lim, Mu-lll ; et al.	2002-10-17
Primary intermediates for oxidative coloration of hair App 20020144359 - Lim, Mu-lll ; et al.	2002-10-10
Novel couplers for use in oxidative hair dyeing App 20020144361 - Lim, Mu-lll ; et al.	2002-10-10
Couplers for oxidative coloration of hair App 20020144700 - Lim, Mu-lll ; et al.	2002-10-10
Primary intermediates for oxidative coloration of hair App 20020144355 - Lim, Mu-lll ; et al.	2002-10-10
Primary intermediates for oxidative coloration of hair App 20020144358 - Lim, Mu-Ill ; et al.	2002-10-10
Novel couplers for use in oxidative hair dyeing App 20020147193 - Lim, Mu-III ; et al.	2002-10-10
Primary intermediates for oxidative coloration of hair App 20020144357 - Lim, Mu-Ill ; et al.	2002-10-10
Primary intermediates for oxidative coloration of hair Grant 6,461,391 - Lim , et al. October 8, 2	2002-10-08
Novel couplers for use in oxidative hair dyeing App 20020138919 - Lim, Mu-Ill ; et al.	2002-10-03
Novel coupler for use in oxidative hair dyeing App 20020108187 - Lim, Mu-Ill ; et al.	2002-08-15
Primary Intermediates For Oxidative Coloration Of Hair App 20020106341 - Lim, Mu-III ; et al.	2002-08-08
Novel coupler for use in oxidative hair dyeing App 20020102224 - Lim, Mu-Iii ; et al.	2002-08-01
Novel coupler for use in oxidative hair dyeing App 20020100126 - Lim, Mu-III ; et al.	2002-08-01
Novel coupler for use in oxidative hair dyeing App 20020100127 - Lim, Mu-lll ; et al.	2002-08-01
Oxidative hair dye compositions and methods containing 1-(4-aminophenyl)-2-pyrrolidinemethanols Grant 5,993,491 - Lim , et al. November 30, 1	1999-11-30
Substituted p-aminophenol, process of preparation and use in dyeing hair Grant 5,980,584 - Lim , et al. November 9, 1	1999-11-09
Hair dye compositions containing 2,3 dialkyl-4-aminophenol and a 2-alkyl-1-naphthol Grant 5,849,042 - Lim , et al. December 15, 1	1998-12-15
Aminoan thraquinone dyes having a quaternary center with a long aliphatic chain Grant 5,314,505 - Chan , et al. May 24, 1	1994-05-24
Quarternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers Grant 5,256,823 - Chan , et al. October 26, 1	1993-10-26
Quaternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers Grant 5,135,543 - Chan , et al. August 4, 1	1992-08-04