US Patent 7435269 Bismuth dye system for human hair
Patent 7435269 was granted and assigned to Combe Incorporated on October, 2008 by the United States Patent and Trademark Office.
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Patent abstract
A progressive hair dyeing composition which comprises the following ingredients:(a) from 0.1 to 5 wt % of a bismuth salt;(b) from 0.1 to 5 wt % of a thiosulfate compound;(c) from 1 to 20 wt % of a delta-valerolactam;(d) from 0.25 to 2.5 wt % of an alkaline agent;(e) from 0 to 5 wt % of elemental sulfur; and(e) from 50 to 90 wt % of water.
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US Patent 07435269 Bismuth dye system for human hair US Patent 7435269 Bismuth dye system for human hair
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Patent Number
0743526900
Patent Number
743526900
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074352690
Date of Patent
October 14, 2008
0Patent Application Number
112668580
Date Filed
November 4, 2005
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074352690
Date of Patent
October 14, 2008
0Patent Application Number
112668580
Date Filed
November 4, 2005
0Official Website
Patent Primary Examiner
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US Patent 07435269 Bismuth dye system for human hair
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07435269
Date of patent
October 14, 2008
Patent application number
11266858
Date Filed
November 4, 2005
Patent primary examiner
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