Chassot; Laurent

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chassot; Laurent.The latest application filed is for "novel o-aminophenol derivatives and colorants containing said compounds".

Company Profile

0.29.26

Chassot; Laurent - Praroman CH
Chassot; Laurent - La Chapellenie CH

*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
Dyes for keratin fibers, the dyes containing n-benzyl-p-phenylenediamine derivatives and novel n-benzyl-p-phenylenediamine derivatives Grant RE41,549 - Chassot , et al. August 24, 2	2010-08-24
O-Aminophenol derivatives and colorants containing said compounds Grant 7,641,702 - Chassot , et al. January 5, 2	2010-01-05
Oxidizing hair coloring agents containing m-aminophenol derivatives Grant 7,491,244 - Chassot , et al. February 17, 2	2009-02-17
Cationic dyes and dyestuff for keratin fibres containing said compounds Grant 7,455,698 - Chassot , et al. November 25, 2	2008-11-25
Novel O-Aminophenol Derivatives and Colorants Containing Said Compounds App 20080235882 - Chassot; Laurent ; et al.	2008-10-02
Cationic Dyes and Dyestuff for Keratin Fibres Containing Said Compounds App 20070258929 - Chassot; Laurent ; et al.	2007-11-08
P-diaminobenzene derivatives and dyes containing these compounds App 20070169287 - Chassot; Laurent ; et al.	2007-07-26
Oxidizing hair coloring agents containing m-aminophenol derivatives App 20070033745 - Chassot; Laurent ; et al.	2007-02-15
Compositions and methods for dyeing keratinous fibers Grant 7,156,884 - Rozzell , et al. January 2, 2	2007-01-02
1,3-Dihydroxybenzene derivatives and colorants containing said compounds Grant 7,125,428 - Chassot , et al. October 24, 2	2006-10-24
Agents for dyeing keratin fibers, containing 4-aminobiphenyl-3-ol-derivatives Grant 7,122,061 - Chassot , et al. October 17, 2	2006-10-17
N-benzyl-m-phenylenediamine derivatives and dyes containing said compounds Grant 7,074,243 - Chassot , et al. July 11, 2	2006-07-11
(P-amino-hydroxyphenyl)-acrylamide derivatives and dyes containing said compounds Grant 7,070,626 - Chassot , et al. July 4, 2	2006-07-04
Coloring agents for keratin fibers containing (1,1'-biphenyl)-2,4-diamine derivatives in addition to novel (1,1'-biphenyl)-2,4-diamine-derivatives Grant 7,056,347 - Chassot , et al. June 6, 2	2006-06-06
N-heteroarylmethyl-m-phenylenediamine derivatives-containing dyes for keratin fibers and novel n-heteroarylmethyl-m-phenylenediamine derivatives Grant 6,997,961 - Chassot , et al. February 14, 2	2006-02-14
Agents for dyeing keratin fibers, containing 4-amino-biphenyl-3-ol-derivat- ives App 20050155160 - Chassot, Laurent ; et al.	2005-07-21
N-heteroarylmethyl-p-phenylenediamine derivatives as well as oxidation dyeing agents containing these compounds Grant 6,887,281 - Chassot , et al. May 3, 2	2005-05-03
N-heteroarylmethyl-m-phenylenediamine derivatives-containing dyes for keratin fibers and novel n-heteroarylmethyl-m-phenylenediamine derivatives App 20050081310 - Chassot, Laurent ; et al.	2005-04-21
1,4-Diamino-2-(thiazol-2-yl)benzene derivatives, and dyes containing said compounds Grant 6,875,873 - Chassot , et al. April 5, 2	2005-04-05
1,4-diamino-2-alkenylbenzene derivatives, and dyes containing these compounds Grant 6,849,766 - Chassot , et al. February 1, 2	2005-02-01
N-heteroarylmethyl-p-phnylendiamine derivatives and compounds containing oxidationcoloring agents Grant 6,849,097 - Chassot , et al. February 1, 2	2005-02-01
N-heteroarylmethyl-p-phenylenediamine derivatives as well as oxidation dyeing agents containing these compounds App 20050015898 - Chassot, Laurent ; et al.	2005-01-27
P-aminophenols and colorants containing said compounds Grant 6,840,965 - Chassot , et al. January 11, 2	2005-01-11
Dyes for keratin fibres containing 1,3-diamino-4-heteroarylbenzene derivatives and novel 1,3-diamino-4-heteroarylbenzene derivatives Grant 6,811,573 - Chassot , et al. November 2, 2	2004-11-02
Substituted 2-aminoalkyl-1,4-Diaminobenzene compounds and oxidation dye precursor compositions containing same Grant 6,800,097 - Chassot , et al. October 5, 2	2004-10-05
Substituted 2-aminoalkyl-1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same Grant 6,780,998 - Chassot , et al. August 24, 2	2004-08-24
Compositions and methods for dyeing keratinous fibers App 20040158936 - Rozzell, David ; et al.	2004-08-19
2-hydroxy-5-amino-biphenyl-derivatives and oxidative hair coloring agents containing said compounds Grant 6,749,644 - Chassot , et al. June 15, 2	2004-06-15
3-(2,5-diaminophenyl)-acrylamide derivatives and coloring agents containing said compounds Grant 6,699,990 - Chassot , et al. March 2, 2	2004-03-02
P-diaminobenzene derivatives and dyes containing said compounds Grant 6,699,296 - Chassot March 2, 2	2004-03-02
N-benzyl-p-phenylenediamine-derivatives containing coloring agents for keratin fibres and novel n-benzyl-p-phenylenediamine-derivatives Grant 6,689,174 - Chassot , et al. February 10, 2	2004-02-10
Substituted 1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same Grant 6,685,751 - Chassot , et al. February 3, 2	2004-02-03
1,3-Dihydroxybenzene derivatives and colorants containing said compounds App 20040016063 - Chassot, Laurent ; et al.	2004-01-29
(P-amino-hydroxyphenyl)-acrylamide derivatives and dyes containing said compounds App 20030192132 - Chassot, Laurent ; et al.	2003-10-16
N-benzyl-m-phenylenediamine derivatives and dyes containing said compounds App 20030182735 - Chassot, Laurent ; et al.	2003-10-02
Colouring agents for keratin fibres containing (1.1'-biphenyl)-2.4-diamine derivatives in addition to novel (1.1'-biphenyl)-2.4-diamine-derivatives App 20030172470 - Chassot, Laurent ; et al.	2003-09-18
1,3-diamino-4-(aminomethyl) - benzene derivatives and colorants containing the said compounds App 20030172471 - Chassot, Laurent ; et al.	2003-09-18
P-diaminobenzene derivatives and dyes containing said compounds App 20030145764 - Chassot, Laurent	2003-08-07
Substituted 1,4 diaminobenzene compounds and oxidation dye precursor compositions containing same Grant 6,602,302 - Chassot , et al. August 5, 2	2003-08-05
3-(2,5-Diaminophenyl)-acrylamide derivatives and colouring agents containing said compounds App 20030140431 - Chassot, Laurent ; et al.	2003-07-31
Diaminopyrazole derivatives and dyes containing said compounds Grant 6,600,050 - Chassot , et al. July 29, 2	2003-07-29
Novel 1,4-diamino-2-alkenylbenzene derivatives , and dyes containing these compounds App 20030121110 - Chassot, Laurent ; et al.	2003-07-03
Novel 1,4-diamino-2-(thiazol-2-yl)benzene derivatives and dyes containing said compounds App 20030115683 - Chassot, Laurent ; et al.	2003-06-26
Novel diaminopyrazole derivatives and dyes containing said compounds App 20030115684 - Chassot, Laurent ; et al.	2003-06-26
Novel p-aminophenols and colorants containing said compounds App 20030110577 - Chassot, Laurent ; et al.	2003-06-19
Substituted 1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same App 20030110578 - Chassot, Laurent ; et al.	2003-06-19
Dyes for keratin fibres containing 1,3-diamino-4-heteroarylbenzene derivatives and novel 1,3-diamino-4-heteroarylbenzene derivatives App 20030093867 - Chassot, Laurent ; et al.	2003-05-22
Substituted 2-aminoalkyl-1,4-Diaminobenzene compounds and oxidation dye precursor compositions containing same App 20030070241 - Chassot, Laurent ; et al.	2003-04-17
N-heteroarylmethyl-p-phnylendiamine derivatives and compounds containing oxidationcoloring agents App 20030070240 - Chassot, Laurent ; et al.	2003-04-17
Substituted 2-aminoalkyl-1,4diaminobenzene compounds and oxidation dye precursor compositions containing same App 20020189033 - Chassot, Laurent ; et al.	2002-12-19
N-benzyl-p-phenylenediamine-derivatives containing colouring agents for keratin fibres and novel n-benzyl-p-phenylenediamine-derivatives App 20020166181 - Chassot, Laurent ; et al.	2002-11-14
p-aminophenol derivative compounds and dye compositions containing same App 20010054207 - Chassot, Laurent ; et al.	2001-12-27
Stabilization of pyrrolopyrrole pigments Grant 5,389,141 - Chassot February 14, 1	1995-02-14
Stabilization of organic pigments Grant 5,348,580 - Chassot September 20, 1	1994-09-20
Stabilization Grant 5,346,545 - Chassot September 13, 1	1994-09-13

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