Inventor
Laurent Chassot
Inventor
Praroman, CH
Overview
Patents· 42 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes21%
A61QSpecific use of cosmetics or similar toiletry preparations21%
C07DHeterocyclic compounds19%
C07CAcyclic or carbocyclic compounds13%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties3%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
C03CChemical composition of glasses, glazes or vitreous enamels2%
PatentTitleYear
RE041549'Dyes for keratin fibers, the dyes containing n-benzyl-p-phenylenediamine derivatives and novel n-benzyl-p-phenylenediamine derivatives'20107,641,702'O-Aminophenol derivatives and colorants containing said compounds'20107,491,244'Oxidizing hair coloring agents containing m-aminophenol derivatives'20097,455,698'Cationic dyes and dyestuff for keratin fibres containing said compounds'20087,156,884'Compositions and methods for dyeing keratinous fibers'20077,125,428'1,3-Dihydroxybenzene derivatives and colorants containing said compounds'20067,122,061'Agents for dyeing keratin fibers, containing 4-aminobiphenyl-3-ol-derivatives'20067,074,243'N-benzyl-m-phenylenediamine derivatives and dyes containing said compounds'20067,070,626'(P-amino-hydroxyphenyl)-acrylamide derivatives and dyes containing said compounds'20067,056,347'Coloring agents for keratin fibers containing (1,1′-biphenyl)-2,4-diamine derivatives in addition to novel (1,1′-biphenyl)-2,4-diamine-derivatives'20066,997,961'N-heteroarylmethyl-m-phenylenediamine derivatives-containing dyes for keratin fibers and novel n-heteroarylmethyl-m-phenylenediamine derivatives'20066,936,077'1,3-diamino-4-(aminomethyl)—benzene derivatives and colorants containing the said compounds'20056,887,281'N-heteroarylmethyl-p-phenylenediamine derivatives as well as oxidation dyeing agents containing these compounds'20056,875,873'1,4-Diamino-2-(thiazol-2-yl)benzene derivatives, and dyes containing said compounds'20056,849,097'N-heteroarylmethyl-p-phnylendiamine derivatives and compounds containing oxidationcoloring agents'20056,849,766'1,4-diamino-2-alkenylbenzene derivatives, and dyes containing these compounds'20056,840,965'P-aminophenols and colorants containing said compounds'20056,811,573'Dyes for keratin fibres containing 1,3-diamino-4-heteroarylbenzene derivatives and novel 1,3-diamino-4-heteroarylbenzene derivatives'20046,800,097'Substituted 2-aminoalkyl-1,4-Diaminobenzene compounds and oxidation dye precursor compositions containing same'20046,780,998'Substituted 2-aminoalkyl-1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same'20046,749,644'2-hydroxy-5-amino-biphenyl-derivatives and oxidative hair coloring agents containing said compounds'20046,699,296'P-diaminobenzene derivatives and dyes containing said compounds'20046,699,990'3-(2,5-diaminophenyl)-acrylamide derivatives and coloring agents containing said compounds'20046,689,174'N-benzyl-p-phenylenediamine-derivatives containing coloring agents for keratin fibres and novel n-benzyl-p-phenylenediamine-derivatives'20046,685,751'Substituted 1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same'20046,602,302'Substituted 1,4 diaminobenzene compounds and oxidation dye precursor compositions containing same'20036,600,050'Diaminopyrazole derivatives and dyes containing said compounds'20036,592,631'p-Aminophenol derivative compounds and dye compositions containing same'20036,500,213'Oxidizing hair coloring agents containing 2,5-diamino-1-phenylbenzene derivatives and novel 2,5-diamino-1-phenylbenzene derivatives'20026,461,388'Diaminobenzene derivative compounds and dye compositions containing same'20026,436,152'Substituted 2-aminoalky-1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same'20026,231,622'Dye compositions, especially for dyeing hair, containing indane derivative compounds'20016,203,909'Composite pigment'20016,132,475'Diaminobenzene derivative compounds and dye compositions containing same'20006,042,620'p-diaminobenzene derivative compounds and dye compositions containing same'20005,968,242'Colourant-loaded molecular sieve'19995,641,350'Organic pigments coated with metal phosphate complexes and amines'19975,522,925'Organic pigments coated with Zr or Ti phosphate complexes'19965,389,141'Stabilization of pyrrolopyrrole pigments'19955,378,276'Diketopyrrolopyrroles containing nitroxyl groups'19955,348,580'Stabilization of organic pigments'19945,346,545'Stabilization'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1997Patents assigned to CIBA GEIGY CORP (6)· patent assignee history
1994–2010Based in Praroman, CH· patent location history
1999–2001Patents assigned to CIBA SC HOLDING AG (2)· patent assignee history
2000–2010Patents assigned to WELLA AG (33)· patent assignee history
2005–2010Based in La Neuveville, CH· patent location history
2009Patents assigned to PROCTER & GAMBLE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WELLA AG | 33 | 2000–2010 |
| CIBA GEIGY CORP | 6 | 1994–1997 |
| CIBA SC HOLDING AG | 2 | 1999–2001 |
| PROCTER & GAMBLE | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Praroman, CH | 40 | 1994–2010 |
| La Neuveville, CH | 2 | 2005–2010 |