Colgate Palmolive Company

Marcus Bentley

Nagaraj S Dixit

Mahmoud Hassan

Michael Prencipe

Gary A Durga

David B Viscio

Robert L Mitchell

Mike Wong

John Santalucia

Vincent O Drago

Peter Ren

Barry D Self

A dual component tooth whitening composition is disclosed, which composition contains a peroxide whitening and a second ingredient incompatible with the peroxide compound, the second ingredient and the peroxide compound each being incorporated in separate dentifrice components which are physically separated until dispensed for use, the components retaining their original physical state when in contact, the first component being a composition containing a peroxide whitening compound in a vehicle thickened with a combination of a particulated water insoluble inorganic compound and an organic thickener other than an alkylene oxide polymer, and the second component containing the ingredient incompatible with the peroxide.

Dual component antiplaque and tooth whitening composition

Oral compositions, such as oral gels and toothpastes, containing a novel high cleaning, low abrasion silica hydrogel abrasive.

Dental abrasive

A catalytic process for the hydrolysis of alkyl vinyl ether/maleic anhydride copolymers, involving a base catalyst.

Process for hydrolyzing maleic anhydride copolymers

A process for preparing a cross-linked alkyl vinyl ether/maleic anhydride copolymer having improved linear viscoelastic properties desired in oral care preparations, wherein the cross-linking of an alkyl vinyl ether/maleic anhydride copolymer with a polyol compound is carried out at a temperature of from about 50.degree. to about 90.degree. C. and the cross-linked product is recovered.

Process for the preparation of cross-linked maleic anhydride copolymers

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Jersey City, NJ, United States of America

Marcus Bentley