ML

Madeleine Leduc

L' L'Oreal: 34 patents #43 of 2,221Top 2%
LS L'Oreal S.A.: 19 patents #27 of 559Top 5%
L' L'Oréal: 1 patents #22 of 67Top 35%
Overall (All Time): #47,723 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
6027537 Use of silicon compounds to dye human keratin fibres; novel compounds and compositions containing them Herve Richard, Alain Lagrange 2000-02-22
6004540 Photoprotective/cosmetic compositions comprising sulfonamido-functional polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1999-12-21
5976558 Silicone-containing derivatives of salicylic acid which have desquamating properties Herve Richard, Alain Lagrange 1999-11-02
5961962 Photoprotective/cosmetic compositions comprising cinnamonitrile-substituted polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1999-10-05
5962484 Photoprotective/cosmetic compositions comprising substituted polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1999-10-05
5928630 Benzalmalonate/phenylcyanoacrylate-substituted s-triazine compounds and photoprotective/cosmetic compositions comprised thereof Herve Richard, Alain Lagrange, Herve Plessix 1999-07-27
5906812 Silicone-containing derivatives of salicylic acid which have desquamating properties Herve Richard, Alain Lagrange 1999-05-25
5900231 Silicone-containing derivatives of salicylic acid which have desquamating properties Herve Richard, Alain Lagrange 1999-05-04
5854225 Compounds derived from cyclodextrin Herve Richard 1998-12-29
5849909 Benzalmalonatae/phenylcyanoacrylate-substituted S-triazine compounds Herve Richard, Alain Lagrange, Herve Plessix 1998-12-15
5827509 Photoprotective/cosmetic compositions comprising cinnamonitrile-substituted polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1998-10-27
5756485 Silicone-containing derivatives of salicylic acid which have desquamating properties Herve Richard, Alain Lagrange 1998-05-26
5714134 Photoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1998-02-03
5670140 Photostable cosmetic filter composition containing a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkylmalonates Andre Deflandre, Serge Forestier, Gerard Lang, Herve Richard 1997-09-23
5663270 Photoprotective/cosmetic compositions comprising substituted polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1997-09-02
5624663 Photostable cosmetic filter composition cotaining a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkyl malonates Andre Deflandre, Serge Forestier, Gerard Lang, Herve Richard 1997-04-29
5610257 Photoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanes Herve Richard, Alain Lagrange 1997-03-11
5587151 Photoprotective/cosmetic compositions comprising oxanilido-substituted polyorganosiloxanes/polyorganosilanes Herv e Richard, Alain Lagrange 1996-12-24
5569451 Photoprotective/cosmetic compositions comprising triorganosilylated benzotriazoles Herv e Richard, Alain Lagrange 1996-10-29
5252323 s-Triazine compounds substituted by benzylidenecamphor substituents and cosmetic compositions containing the s-triazine compounds Herve Richard, Alex Junino 1993-10-12
5236698 S-triazine derivatives carrying benzalmalonate substituents, and cosmetic UV screening compositions Herve Richard, Alex Junino 1993-08-17
5004594 Benzylidenecamphor sulphonamides derived from amino acids and their application in cosmetics, particularly as sunscreens Herve Richard, Serge Forestier, Gerard Lang 1991-04-02
4956174 Compositions for coloring the skin based on indole derivatives Gerard Lang, Herve Richard, Alex Junino 1990-09-11
4822375 Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds Gerard Lang, Herve Richard, Alex Junino 1989-04-18
4814162 Cosmetic compositions containing hydroxyl derivatives of dibenzoylmethane and their use in protecting the skin against ultraviolet rays and derivatives for use therein Gerald S. Lang, Alain Malaval 1989-03-21