Patents Assigned to Encapsys, LLC
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Publication number: 20240147990Abstract: An improved delivery particle comprising a benefit agent core material and a shell encapsulating the core material is described, along with a process for forming such a delivery particle and articles of manufacture. The shell is the reaction product of an ATEC (amine-thiol ene) conjugate, which can be further reacted with one or more multifunctional (meth)acrylates or isocyanates, or both.Type: ApplicationFiled: September 27, 2023Publication date: May 9, 2024Applicant: Encapsys, LLCInventors: TODD ARLIN SCHWANTES, Terri Anne Marquardt
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Publication number: 20240139081Abstract: A biodegradable delivery particle having a benefit agent containing core and a shell.Type: ApplicationFiled: November 18, 2021Publication date: May 2, 2024Applicant: Encapsys, LLCInventors: Susana FERNÁNDEZ PRIETO, Valerie Francine Hans EYKENS, Walter Franciscus Joanna VANDERVEKEN, Rita DEL PEZZO, Johan SMETS, Linsheng FENG, Fadi Selim CHAKAR, Travis Ian BARDSLEY, Robert Stanley BOBNOCK
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Patent number: 11970676Abstract: A composition that comprises encapsulates, the encapsulates having a core that includes perfume characterized by an acid value of greater than 5.0 mg KOH/g of perfume, the encapsulates also including a shell that includes a (meth)acrylate material. Methods of making and using such compositions.Type: GrantFiled: February 26, 2020Date of Patent: April 30, 2024Assignee: Encapsys, LLCInventors: Johan Smets, Rafael Trujillo, Amanda Kiser Jukes, An Pintens
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Publication number: 20240122176Abstract: Populations of benefit agent delivery particles are disclosed, the particles having a core and a polymer wall surrounding the core, the polymer wall comprising multifunctional (meth)acrylate-based polymers, along with processes for making and uses of such compositions, and articles made with such particles. The polymer wall comprises a (meth)acrylate polymer derived, at least in part, from wall monomers and at least one free radical initiator, wherein the wall monomers comprise at least 50%, by weight of the wall monomers, of (meth)acrylate monomers, wherein the at least one free radical initiator is present at a level of from about 15% to about 60%, by weight of the polymer wall, wherein the core comprises a benefit agent, wherein the core and the polymer wall are present in a weight ratio of from about 95:5 to about 99.5:0.5. The compositions deliver core content with a desired delivery profile.Type: ApplicationFiled: June 14, 2022Publication date: April 18, 2024Applicant: Encapsys, LLCInventors: Fadi Selim Chakar, Linsheng Feng, Presley Genevie Neuman, Robert Stanley Bobnock, Joana Andreia Lameiras Domingues, An Pintens, Raul Rodrigo-Gomez, Johan Smets
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Patent number: 11952492Abstract: Controlled release biodegrading microcapsules comprising polypeptide chains.Type: GrantFiled: November 17, 2021Date of Patent: April 9, 2024Assignee: ENCAPSYS, LLCInventor: Nianxi Yan
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Patent number: 11945946Abstract: Microcapsules encapsulating oily core materials have a shell material of hybrid polyurea and poly(beta-amino esters) (PU/PBAE). The microcapsules may have a single shell of hybrid PU/PBAE, dual shells including hybrid PU/PBAE in an inner shell and PBAE in an outer shell crosslinked and deposited to the inner shell, or multiple shells including PU in an inner shell, hybrid PU/PBAE in a transitioning shell, and PBAE in an outer shell. Formation of the microcapsules includes polymerization between multifunctional amine and multifunctional acrylate to produce a water soluble PBAE; polymerization between polyisocyanate in oil phase and multifunctional amine in aqueous solution to produce PU microcapsule, polymerization between polyisocyanate and the amine moiety of PBAE prepolymer to produce hybrid PU/PBAE microcapsule wall; and polymerization between multifunctional acrylate and primary or secondary amine moiety of the PBAE prepolymer to form a PBAE outer shell.Type: GrantFiled: September 13, 2021Date of Patent: April 2, 2024Assignee: ENCAPSYS, LLCInventor: Linsheng Feng
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Patent number: 11931711Abstract: The present invention teaches a composition and process for irreversibly agglomerated charge stable core shell microcapsules, each microcapsule containing a benefit agent core material, which may be the same or different, the polymeric all or walls comprising one or more (meth)acrylate polymers, or optionally combinations with other polymers, along with a polyvalent cation. The capsules of the invention adhere better to surfaces, are more stable and are useful for delivery of benefit agents.Type: GrantFiled: April 3, 2020Date of Patent: March 19, 2024Assignee: Encapsys, LLCInventor: Linsheng Feng
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Patent number: 11889831Abstract: An aqueous slurry composition containing microcapsules dispersed in an aqueous medium. The microcapsules contain an ionic acrylate copolymer shell encapsulating an oily medium. Upon drying, the microcapsules release the oily medium. The slurry is useful in delivering a variety of water-insoluble substances via an aqueous medium including cosmetic or agricultural agents.Type: GrantFiled: October 17, 2019Date of Patent: February 6, 2024Assignees: ENCAPSYS, LLC, IPS STRUCTURAL ADHESIVES, INC., IPS CORPORATION, WATERTITE PRODUCTS, INC., WELD-ON ADHESIVES, INC., IPS ADHESIVES LLCInventor: Todd Arlin Schwantes
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Publication number: 20240002745Abstract: A biodegradable delivery particle having a benefit agent containing core and a shell.Type: ApplicationFiled: November 18, 2021Publication date: January 4, 2024Applicant: Encapsys, LLCInventors: Susana FERNÁNDEZ PRIETO, Valerie Francine Hans EYKENS, Rita DEL PEZZO, Johan SMETS, Linsheng FENG, Fadi Selim CHAKAR, Travis Ian BARDSLEY, Robert Stanley BOBNOCK
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Publication number: 20240000073Abstract: A biodegradable delivery particle having a benefit agent containing core and a shell.Type: ApplicationFiled: November 18, 2021Publication date: January 4, 2024Applicant: Encapsys, LLCInventors: Susana FERNÁNDEZ PRIETO, Valerie Francine Hans EYKENS, Timothy Roy NIJAKOWSKI, Rita DEL PEZZO, Johan SMETS, Linsheng FENG, Fadi Selim CHAKAR, Travis Ian BARDSLEY, Robert Stanely BOBNOCK
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Patent number: 11648522Abstract: An improved process of forming polyurea and chitosan microcapsules encapsulating a benefit agent is described. The process comprises forming a water phase comprising hydrolyzing chitosan in an acidic medium at a pH of 6.5 or less for an extended period and combining with a polyisocyanate. The reaction product of the hydrolyzed chitosan and polyisocyanate yields a microcapsule having improved release characteristics, with enhanced degradation characteristics in OECD test method 301B.Type: GrantFiled: February 12, 2021Date of Patent: May 16, 2023Assignee: Encapsys, LLCInventor: Linsheng Feng
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Publication number: 20230112578Abstract: Core shell microcapsules are provided wherein the capsule shell is an interfacial copolymer formed of a gelatin and an isocyanate.Type: ApplicationFiled: October 8, 2022Publication date: April 13, 2023Applicant: ENCAPSYS, LLCInventors: Todd Arlin Schwantes, Nianxi Yan
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Publication number: 20230072724Abstract: An article of manufacture is described comprising the combination of an adjunct material and a delivery particle. The delivery particle comprising a benefit agent core material and a shell encapsulating the core material is described, along with a process for forming such a delivery particle and articles of manufacture. The shell is the reaction product of: i) an isocyanate or acid chloride or acrylate with ii) an amine-containing natural material having free amino moieties, and iii) an ?, ?-unsaturated compound, the ?, ?-unsaturated compound forming C—N covalent bonds with the amine moieties of the natural material. The delivery particle of the invention has improved release characteristics, with enhanced degradation characteristics in OECD test method 301B.Type: ApplicationFiled: August 11, 2022Publication date: March 9, 2023Applicant: Encapsys, LLCInventor: Linsheng Feng
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Publication number: 20230049775Abstract: An improved delivery particle comprising a benefit agent core material and a shell encapsulating the core material is described, along with a process for forming such a delivery particle and articles of manufacture. The shell is the reaction product of: i) an isocyanate or acid chloride or acrylate with ii) an amine-containing natural material having free amino moieties, and iii) an a, ? -unsaturated compound, the a, ? -unsaturated compound forming C-N covalent bonds with the amine moieties of the natural material. The delivery particle of the invention has improved release characteristics, with enhanced degradation characteristics in OECD test method 301B.Type: ApplicationFiled: August 11, 2022Publication date: February 16, 2023Applicant: Encapsys,LLCInventor: Linsheng Feng
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Publication number: 20220162444Abstract: Controlled release biodegrading microcapsules comprising polypeptide chains.Type: ApplicationFiled: November 17, 2021Publication date: May 26, 2022Applicant: ENCAPSYS, LLCInventor: Nianxi Yan
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Publication number: 20220153901Abstract: Delivery particles encapsulating oily core materials have a shell material of hybrid poly acrylate and poly(beta-amino esters) (PAC/PBAE). The delivery particles may have a single shell of hybrid PAC/PBAE, dual shells including hybrid PAC/PBAE in an inner shell and PBAE in an outer shell crosslinked to the inner shell, or multiple shells including PAC in an inner shell, hybrid PAC/PBAE in a transitioning shell, and PBAE in an outer shell.Type: ApplicationFiled: November 18, 2021Publication date: May 19, 2022Applicant: Encapsys,LLCInventor: Linsheng Feng
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Publication number: 20220088558Abstract: Core shell microcapsules are provided wherein the capsule shell is an interfacial copolymer formed of an amine modified polysaccharide cross-linked with an isocyanate.Type: ApplicationFiled: September 17, 2021Publication date: March 24, 2022Applicant: ENCAPSYS, LLCInventor: Stephen Baumler
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Publication number: 20220087944Abstract: The invention describes a core shell microcapsule wherein the capsule shell is an interfacial copolymer formed of a modified polysaccharide free radical cross-linked with a multifunctional (meth)acrylate. The polysaccharide is hydrophobically modified with an adduct containing at least one unsaturated bond. The modification imparts hydrophobic character to the polysaccharide to act as an emulsifier, driving the modified polysaccharide to an oil-water interface of an encapsulation emulsion described, and creates an active bonding site for free-radical polymerization between the polysaccharide and multifunctional (meth)acrylate, thereby forming a microcapsule shell surrounding the core material.Type: ApplicationFiled: September 17, 2021Publication date: March 24, 2022Applicant: Encapsys, LLCInventor: Stephen Marc Baumler
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Patent number: 11180714Abstract: A method of forming microcapsules having improved physical properties and release control as well as the microcapsules formed by the process wherein the capsule wall is formed by the concurrent polymerization of monomers, oligomer and/or prepolymers on the inside of the capsule wall and different monomers, oligomers and/or prepolymers on the exterior of the capsule wall as it forms.Type: GrantFiled: July 24, 2019Date of Patent: November 23, 2021Assignee: ENCAPSYS, LLCInventors: Linsheng Feng, Todd Arlin Schwantes, Robert Stanley Bobnock, Nianxi Yan
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Publication number: 20210252469Abstract: An improved process of forming polyurea and chitosan microcapsules encapsulating a benefit agent is described. The process comprises forming a water phase comprising hydrolyzing chitosan in an acidic medium at a pH of 6.5 or less for an extended period and combining with a polyisocyanate. The reaction product of the hydrolyzed chitosan and polyisocyanate yields a microcapsule having improved release characteristics, with enhanced degradation characteristics in OECD test method 301B.Type: ApplicationFiled: February 12, 2021Publication date: August 19, 2021Applicant: Encapsys, LLCInventor: Linsheng Feng