P

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 patents
US4976952ADec 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 patents