Inventor
WENDEL HARALD
DE18 patents
⚠️ This page may combine multiple inventors who share the name “WENDEL HARALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WELLA AG
16 patentsUS4976952ADec 11, 1990
Macromolecular, surface-active, quaternary, N-substituted chitosan derivatives as well as cosmetic composition based on these new chitosan derivatives
WELLA AG56 citations96
US4822598AApr 18, 1989
Cosmetic agent on the basis of quaternary chitosan derivatives, novel quaternary chitosan derivatives as well as processes for making same
WELLA AG48 citations96
US4528283AJul 9, 1985
Cosmetic composition based upon chitosan derivatives, new chitosan derivatives as well as processes for the production thereof
WELLA AG60 citations94
US4780310AOct 25, 1988
Cosmetic compositions based upon N-hydroxypropyl-chitosans, new N-hyroxypropyl-chitosans, as well as processes for the production thereof
WELLA AG46 citations93
US4931271AJun 5, 1990
Cosmetic compostions based upon N-hydroxybutyl-chitosans, N-hydroxybutyl-chitosans as well as processes for the production thereof
WELLA AG27 citations92
US4921949AMay 1, 1990
Process for making quaternary chitosan derivatives for cosmetic agents
WELLA AG24 citations92
US4772689ASep 20, 1988
Quaternary hydroxy-propyl-substituted chitosan derivatives, cosmetic compositions based thereon and processes for the production thereof
WELLA AG29 citations92
US6716455B2Apr 6, 2004
Hair treatment gels containing itaconic acid monoester/acrylate copolymer
WELLA AG31 citations90
US6358493B1Mar 19, 2002
Methods of performing cosmetic treatments with gasified solid particles and instant gel preparations containing the gasified solid particles
WELLA AG22 citations90
US7597898B2Oct 6, 2009
Aerosol foam or pump foam product for hair treatment
WELLA AG8 citations83
US4938950AJul 3, 1990
Cosmetic composition based upon chitosan and ampholytic copolymerizates, as well as new chitosan/polyampholyte salts
WELLA AG11 citations74
US4772690ASep 20, 1988
Quaternary hydroxyethyl-substituted chitosan derivatives, cosmetic compositions based thereon and processes for the production thereof
WELLA AG18 citations74
US6214319B1Apr 10, 2001
Aqueous-alcoholic hair fixing composition containing a combination of shellac and synthetic hair fixing polymer
WELLA AG8 citations73
US5037632AAug 6, 1991
Composition for the strengthening of the hairdo and the care of hair
WELLA AG13 citations71
US7455832B2Nov 25, 2008
Cosmetic preparation in gel form
WELLA AG4 citations60
US7135166B2Nov 14, 2006
Hair styling stick containing polyethylene glycols of different molecular weights
WELLA AG0 citations51
WELLA AKTIENGSELLSCHAFT
2 patentsUS5587174ADec 24, 1996
Cosmetic composition for treating skin and hair containing apple wax and methods of making them
WELLA AKTIENGSELLSCHAFT28 citations90
US4835266AMay 30, 1989
Cosmetic compositions based upon n-hydroxypropyl-chitosans, new n-hydroxypropyl-chitosans, as well as processes for the production thereof
WELLA AKTIENGSELLSCHAFT7 citations71