Encapsulated fluorescent whitening compositions for improved surface appearance
Microparticles containing an effective amount of at least one fluorescent whitening agent, wherein said fluorescent whitening agent is entrapped in a transparent or translucent matrix polymer that has been formed from a blend of monomers comprising a first monomer which is an ethylenically unsaturat...
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| creator | ELDER STEWART TODD,ANDRIANOV CHRISTINA LIGIA |
| description | Microparticles containing an effective amount of at least one fluorescent whitening agent, wherein said fluorescent whitening agent is entrapped in a transparent or translucent matrix polymer that has been formed from a blend of monomers comprising a first monomer which is an ethylenically unsaturated ionic monomer and a second monomer which is an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50 DEG C, wherein secondary particles are distributed throughout the matrix, which secondary particles comprise a hydrophobic polymer that has been formed from an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer having a glass transition temperature in excess of 50 DEG C and optionally other monomers, which hydrophobic polymer is different from that of the matrix polymer, exhibit improved shatter resistance. They are useful in a personal care or cosmetic compositions, for example in masking or reducing the appearance of skin imperfections. |
| format | Patent |
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| subjects | HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS |
| title | Encapsulated fluorescent whitening compositions for improved surface appearance |
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