Conopco, Inc.

Unilever Plc

Unilever, N.v.

Unilever IP Holdings B.v.

Unilever Global IP Limited

Rupak Mitra

Ian Peter Stott

Amitava Pramanik

Amit Chakrabortty

Stuart Campbell-Lee

Thomas Richard Pointon

Girish Muralidharan

Somnath Das

Satyaranjan Gupta

Vinitha Kadamkode

Srikala Kumaran

Priyanka Sarkar

Samarpita Sarkar

Disclosed is an antidandruff composition comprising low amounts of piroctone olamine which synergistically interacts with benzoic acid or a salt thereof and itaconic acid or an ester thereof. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.

Antidandruff composition

A preservation system comprising: i. itaconic acid or salt thereof and ii. an aromatic alcohol selected from the group consisting of ethylvanillin, eugenol, thymol, P-hydroxybenzaldehyde, 4n butyl phenol, P-hydroxyacetophenone, vanillin, salicylic acid or salt thereof, o-cymen-5-ol, carvacrol and mixtures thereof.

Preservation compositions

An antimicrobial preservation system comprising: i. itaconic acid or salt thereof and ii. benzoic acid or salt thereof.

A preservation system comprising: i) itaconic acid or salt thereof and ii) a secondary preservation chemical selected from the list consisting of terpineol, geraniol, perillyl alcohol, menthol, terpinene, linalool, citronellol and mixtures thereof.

The present invention relates to a process for preparing an antimicrobial particulate composition. The invention also relates to personal care or hygiene composition comprising an antimicrobial particulate composition obtainable by the process in accordance with this invention. The invention more particularly relates to a process for preparing an antimicrobial metal nanoparticles immobilized in an inorganic porous material and also incorporating these particles in personal care or hygiene compositions. The antimicrobial particulate composition comprises 0.05% to 3% by weight of antimicrobial metal particles and 97 to 99.95% by weight of immobilizer comprising an inorganic porous material selected from zinc oxide, magnesium hydroxide or calcium carbonate.

Process for preparing an antimicrobial particulate composition

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Bengaluru, India

Rupak Mitra