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Erik Herman Troost, Joseph Brain, Lewis Michael Popplewell, Kaiping Lee: Multi-compartment storage and delivery containers and delivery system for microencapsulated fragrances. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, September 29, 2009: US07594594 (17 worldwide citation)

Described is a multiple (2-4)-compartment fluidic individually stable pre-storable composition storage and unstable mixture-forming and delivery container having separate compartments each communicating with a single mixing zone via an externally-located fluidic composition multiple delivery tube sy ...


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Yabin Lei, Lewis Michael Popplewell, Carol Joyce: Encapsulated active material containing nanoscaled material. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, November 16, 2010: US07833960 (11 worldwide citation)

The present invention is directed to novel capsules containing active material and nanoscaled material and to methods for making capsules with enhanced performance and stability. The capsules are well suited for use in personal care applications, laundry products and perfume and fragrance products.


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Lewis Michael Popplewell, Kaiping Daniel Lee, Johan Gerwin Lodewijk Pluyter, Joseph Brain, Yueqian Zhen: Encapsulated fragrance chemicals. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, September 8, 2009: US07585824 (11 worldwide citation)

A polymeric encapsulated fragrance is disclosed which is suitable for use in personal care and cleaning products. In a preferred embodiment of the invention the fragrance is encapsulated by a first polymer material to form a fragrance encapsulated polymer, the polymer encapsulated shell is then coat ...


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Lewis Michael Popplewell, Joseph Brain, John Gerwin Lodewijk Pluyter, Yueqian Zhen, Kaiping Daniel Lee: Encapsulated materials. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, February 17, 2009: US07491687 (9 worldwide citation)

The present invention is directed to encapsulated fragrance materials. The fragrance materials are comprised of high Clog P materials or high Clog P fragrance materials along with high Clog P solvent materials. The encapsulated fragrance and solvent materials can then be further coated with a second ...


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Mark Lawrence Dewis, Michelle E Huber, David O Agyemang, Garry Conklin: Compositions of oxo-terpene derivatives and process for preparing the same. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, May 19, 2009: US07534460 (6 worldwide citation)

Described is to a process for augmenting, enhancing, modifying or imparting a berry or citrus aroma or taste in or to a foodstuff or aqueous beverage comprising the step of adding to a foodstuff or aqueous beverage an aroma or taste augmenting, enhancing, modifying or imparting quantity and concentr ...


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Mark L Dewis, Garry Conklin, Tao Pei: Saturated and unsaturated N-alkamides exhibiting taste and flavor enhancement effect in flavor compositions. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, September 14, 2010: US07794768 (5 worldwide citation)

Saturated and unsaturated compounds having sweet, salt or umami taste enhancement qualities. The compounds have the structure: wherein R1═H or methyl; R2 is selected from the group consisting of H, C1-C4 alkyl, alkenyl and methylene; R3 is selected from the group consisting of H, C1-C8 straight or b ...


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Yabin Lei, Lewis Michael Popplewell, Carol A Joyce, Xihua Lu, Jeffrey James McElwee: Encapsulated active materials. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, October 30, 2012: US08299011 (4 worldwide citation)

The invention relates to products for washing and cleaning and/or care and protection of animate or inanimate surfaces that comprise micro-encapsulated benefit agents. The invention also relates to polyurethane and polyurea microcapsules.


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Anthony T Levorse Jr, Robert P Belko, Benjamin Amorelli, Michael G Monteleone: 4-alkyl cyclohexanepropanal compounds and their use in perfume compositions. International Flavors & Fragrances, Elizabeth M Quirk, XuFan Tseng, Joseph F Leightner, November 16, 2010: US07834219 (3 worldwide citation)

The present invention is directed to novel 4-alkyl cyclohexanepropanal compounds and a method of improving, enhancing or modifying a fragrance formulation through the addition of an olfactory acceptable amount of the novel compounds.


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