Patents Assigned to Dow Silicones Corporation
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Patent number: 12152148Abstract: A composition contains a mixture of silyl hydride, a siloxane, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N?C—N linkage and where each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.Type: GrantFiled: June 2, 2020Date of Patent: November 26, 2024Assignee: Dow Silicones CorporationInventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
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Patent number: 12151015Abstract: A color cosmetic formulation is provided comprising: a color ingredient and a polymer blend, comprising: a single stage polymer and a silicone-grafted vinyl copolymer; wherein the single stage polymer comprises: structural units of a monoethylenically unsaturated non-ionic monomer; structural units of a monoethylenically unsaturated carboxylic acid monomer; and structural units of a multiethylenically unsaturated monomer having at least two ethylenically unsaturated groups per molecule; and wherein the silicone-grafted vinyl copolymer, comprises: structural units of a vinyl monomer; and structural units of a carbosiloxane dendrimer of formula (I).Type: GrantFiled: October 1, 2019Date of Patent: November 26, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones CorporationInventors: Fanwen Zeng, Tian Lan, Xiaodong Lu, Isabelle Van Reeth, Helene Dihang, Marc Eeman, Inna Shulman
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Patent number: 12146034Abstract: A silicone-polyester copolymer has the formula Xg[ZjYo]c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyester moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, 0?j<2, and 0<o<2, with the proviso that j+o=2 in each moiety indicated by subscript c. Methods of preparing the silicone-polyester copolymer are also disclosed. Further, a sealant is disclosed, the sealant comprising the silicone-polyester copolymer and a condensation-reaction catalyst.Type: GrantFiled: December 16, 2019Date of Patent: November 19, 2024Assignees: Dow Silicones Corporation, Dow Global Technologies LLCInventors: Emmanuel Duquesne, Martin Grasmann, Brian Harkness, William Johnson, Bindu Krishnan, Elizabeth Santos, Justin Scherzer, Jeanette Young, Bizhong Zhu
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Patent number: 12138828Abstract: The present disclosure provides a pellet. In an embodiment, the pellet includes a body having a first end and an opposing second end. The body is composed of a polymeric material. The body has a length and a diameter (body diameter). A channel having a diameter (channel diameter), extends through the body from the first end to the second end. The pellet has a channel diameter-to-body diameter ratio from 0.05 to 0.45. The present disclosure also provides a process for soaking the pellet in a liquid additive and forming a loaded pellet with the additive in the pellet body.Type: GrantFiled: March 29, 2019Date of Patent: November 12, 2024Assignees: Dow Global Technologies LLC, Dow Silicones CorporationInventors: Wenyi Huang, Nicholas J. Horstman, Jeffrey D. Wenzel, Qian Gou, Yabin Sun, Mohamed Esseghir, Yunfeng Yang, Yonghua Gong, Weiming Ma, Jeffrey M. Cogen, Hong Yang
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Patent number: 12134706Abstract: Provided is an antistatic silicone rubber composition. The composition comprises at least one lithium compound selected from the group consisting of a lithium amide, lithium silylamide, lithium alkyl phosphate salt, lithium phenoxide, lithium sulfate and a lithium permanganate, in an amount of from about 0.1 to about 15 mass % of the composition. In general, the composition may comprise: (A) an organopolysiloxane having at least two silicon atom-bonded alkenyl groups per molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; (C) a hydrosilylation catalyst; and (D) the at least one lithium compound as described above. The composition generally exhibits good curability, and cures to form a silicone rubber exhibiting excellent antistatic properties.Type: GrantFiled: January 10, 2020Date of Patent: November 5, 2024Assignee: DOW SILICONES CORPORATIONInventor: Gyuyoung Lee
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Patent number: 12134707Abstract: Provided is an antistatic silicone rubber composition. The composition comprises at least one potassium salt selected from the group consisting of a potassium alkyl phosphate, potassium bis(trialkylsily)amide, potassium dialkyl amide, potassium sulfate, potassium phenoxide, and potassium permanganate, in an amount of from about 0.1 to about 15 mass % of the composition. In general, the composition may comprise: (A) an organopolysiloxane having at least two silicon atom-bonded alkenyl groups per molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; (C) a hydrosilylation catalyst; and (D) the at least one potassium salt as described above. The composition generally exhibits good curability, and cures to form a silicone rubber exhibiting excellent antistatic properties.Type: GrantFiled: January 10, 2020Date of Patent: November 5, 2024Assignee: DOW SILICONES CORPORATIONInventor: Gyuyoung Lee
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Patent number: 12128124Abstract: A personal care formulation is provided comprising: multistage polymer, comprising: acrylate rich stage comprising: (a) structural units of monoethylenically unsaturated non-ionic, acrylate rich stage monomer selected from C1-22 alkyl (meth)acrylates and mixtures thereof; and (b) carbosiloxane rich stage, comprising: structural units of carbosiloxane monomer of formula (I), wherein a is 0 to 3; wherein d is 0 or 1; wherein R1 is selected from hydrogen, C1-10 alkyl group and aryl group; wherein R2 is selected from hydrogen and C1-10 alkyl group; wherein R8 is —O—Si(CH3)2—O—Si(CH3)3 group; wherein Y is selected from formula (II), (III) and (IV); wherein R4 and R6 are selected from hydrogen and methyl group; wherein R3 and R5 are a C1-10 alkylene group; wherein R7 is C1-10 alkyl group; wherein b is 0 to 4 and wherein c is 0 or 1.Type: GrantFiled: December 3, 2019Date of Patent: October 29, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones CorporationInventors: Fanwen Zeng, Hilda G. Buss, Matthew Jeletic, Xiaodong Lu, Tian Lan, Isabelle Van Reeth, Helene Dihang, Marc Eeman, Bryan L. McCulloch, Jodi Mecca, Ralph C. Even, Inna Shulman, Michaeleen L. Pacholski
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Patent number: 12129412Abstract: A curable silicone composition is provided. The curable silicone composition comprises a cadmium-free quantum dot in an amount of from about 0.01 to about 10 mass % of the composition, wherein the composition can be cured by a hydrosilylation reaction and has at least about 10 mol % of aryl groups in all silicon atom-bonded organic groups. The curable silicone composition exhibits excellent dispersibility of the quantum dot, and cures to form a cured product exhibiting excellent color conversion efficiency.Type: GrantFiled: March 11, 2019Date of Patent: October 29, 2024Assignee: DOW SILICONES CORPORATIONInventors: Jung Hye Chae, Myun Hwa Chung, Eun Kyung Jang
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Patent number: 12129407Abstract: Provided is a silicone adhesive composition and an application thereof, that has a viscosity that enables coating even with a small amount of solvent content, has excellent curability due to hydrosilylation reaction, cures, has sufficient adhesive strength for practical use, and has excellent mechanical strength and elongation of the adhesive layer after curing, and can form a pressure-sensitive adhesive layer having sufficient adhesive strength for practical use.Type: GrantFiled: December 5, 2019Date of Patent: October 29, 2024Assignees: DOW SILICONES CORPORATION, DOW TORAY CO., LTD.Inventors: Jon Degroot, Jr., Haruhiko Furukawa, Tomohiro Iimura, Eun Sil Jang, Eric E. Joffre
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Patent number: 12129339Abstract: A composition contains a mixture of silyl hydride, a silanol and/or a silyl ether, and a Bridged Frustrated Lewis Pair.Type: GrantFiled: June 2, 2020Date of Patent: October 29, 2024Assignee: Dow Silicones CorporationInventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei
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Patent number: 12128125Abstract: A polymer blend is provided comprising: (A) multistage polymer, comprising: acrylate rich stage comprising: structural units of monoethylenically unsaturated non-ionic, acrylate rich stage monomer selected from C1-22 alkyl (meth)acrylates and mixtures thereof; and carbosiloxane rich stage, comprising: structural units of carbosiloxane monomer of formula (I); and (B) silicone-grafted vinyl copolymer, wherein the silicone-grafted vinyl copolymer, comprises: structural units of a vinyl (B) monomer; and structural units of a carbosiloxane dendrimer of formula (V). Also provided are personal care formulations comprising the polymer blend.Type: GrantFiled: December 3, 2019Date of Patent: October 29, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones CorporationInventors: Fanwen Zeng, Hilda G. Buss, Matthew Jeletic, Xiaodong Lu, Tian Lan, Isabelle Van Reeth, Helene Dihang, Marc Eeman, Bryan L. McCulloch, Jodi Mecca, Ralph C. Even, Inna Shulman, Michaeleen L. Pacholski
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Patent number: 12129393Abstract: The present invention relates to a composition comprising a binder comprising one or more siloxane polymers, silicone resins, silicone based elastomers, and mixtures thereof, wherein said binder optionally comprises one or more cross-linker components comprising a silane and/or a siloxane containing silicon-bonded hydrolysable groups; and a hydrophilic powder and/or gel selected from one or more amorphous, porous hydrophilic silica (s) having a thermal conductivity at 20° C. and atmospheric pressure of 0.001 to 0.15 W/m·K and a surface area (SBET) of between 200 and 1500 m2/g, one or more hydrophilic aerogel (s) and mixtures thereof, wherein the binder is a solution, an emulsion, or a dispersion in water. The invention also relates to the use of the composition as or in thermally or acoustically insulating materials and to coated substrates, products and articles made by using the composition.Type: GrantFiled: January 23, 2019Date of Patent: October 29, 2024Assignees: DOW SILICONES CORPORATION, WORLEE-CHEMIE GMBHInventors: Thorsten Adebahr, Joachim Müller, David Pierre
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Patent number: 12122914Abstract: A silicone back plate for a flexible display is disclosed herein. The silicone back plate is formed by a cured silicone product having from 70 to 95 of a Shore A hardness measured in accordance with ASTM D2240, and having at least 10 MPa of a tensile strength and at least 30% of an elongation measured in accordance with ASTM D412. The silicone back plate can provide the flexible display with reliability.Type: GrantFiled: May 9, 2019Date of Patent: October 22, 2024Assignee: DOW SILICONES CORPORATIONInventors: Seunghyun Jang, Jongchan Park
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Patent number: 12122935Abstract: Provided is a curable organopolysiloxane composition for forming a film capable of uniform and thin film formation, and a method of manufacturing an organopolysiloxane cured film using the same. The curable organopolysiloxane composition for forming a film, comprises: a curing reactive organopolysiloxane, a curing agent, and one or more type of organic solvent selected from (D1) organic polar solvents, (D2) low molecular weight siloxane solvents, and (D3) halogen solvents, or a mixed solvent thereof. The viscosity of the entire composition measured at a shear rate of 0.1 (s?1) at 25° C. is 100,000 mPa·s or less, the viscosity of the entire composition measured at a shear rate of 10.0 (s?1) is within a range of 5 to 10,000 mPa·s, and a thixotropic ratio thereof is 25.0 or less.Type: GrantFiled: December 6, 2019Date of Patent: October 22, 2024Assignees: Dow Toray Co., Ltd., Dow Silicones CorporationInventors: Hiroshi Fukui, Takeaki Tsuda, Hua Ren
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Patent number: 12116511Abstract: A process for preparing a waterborne dispersion of a silicone pressure sensitive adhesive base includes the use of a solventless polyorganosiloxane pellet containing a polyorganosilicate resin and a polyorganosiloxane gum. The waterborne dispersion of the silicone pressure sensitive adhesive base can be combined with a free radical initiator, and dried and cured to form a silicone pressure sensitive adhesive.Type: GrantFiled: April 9, 2021Date of Patent: October 15, 2024Assignees: Dow Silicones Corporation, Dow Global Technologies LLCInventors: Yunlong Guo, Hongyu Chen, David L. Malotky, Bin Chen, Zhihua Liu, Xiucuo Li, Yan Zhou, Wenjie Chen, Li Ding, Qiangqiang Yan
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Patent number: 12116459Abstract: A composition contains a mixture of silyl hydride, a silanols and/or silyl ether, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N?C—N linkage and each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.Type: GrantFiled: June 2, 2020Date of Patent: October 15, 2024Assignee: Dow Silicones CorporationInventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
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Patent number: 12110394Abstract: An aqueous dispersion comprising a multistage polymer comprising a first polymer and a second polymer that comprises structural units of an ethylenically unsaturated siloxane monomer, the multistage polymer comprising, by weight based on the weight of the multistage polymer, 4.5% or more of structural units of the ethylenically unsaturated siloxane monomer, and the coagulum content of the aqueous dispersion is less than 2,000 ppm after filtration through a 44 micron sieve.Type: GrantFiled: June 13, 2019Date of Patent: October 8, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones CorporationInventors: Xiangting Dong, Ling Li, Zhihua Liu, Hui Liu, Wei Cui, Baoqing Zheng, Zhi Juan Gong, Yan Wu, Changkun Piao, Jia Tang, Dong Yun
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Patent number: 12110427Abstract: A polydiorganosiloxane having both a silicon bonded aliphatically unsaturated group and a silicon bonded poly(meth)acrylate polymer or copolymer is useful in a polyorganosiloxane hybrid pressure sensitive adhesive composition that cures to form a polyorganosiloxane hybrid pressure sensitive adhesive. The polyorganosiloxane hybrid pressure sensitive adhesive composition can be wet-cast or dry-cast on a substrate and cured to form a polyorganosiloxane hybrid pressure sensitive adhesive article. An adhesive article including the polyorganosiloxane hybrid pressure sensitive adhesive is also disclosed.Type: GrantFiled: March 13, 2020Date of Patent: October 8, 2024Assignee: Dow Silicones CorporationInventors: Elizabeth Kelley, Timothy Mitchell, Jodi Mecca
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Patent number: 12104020Abstract: There is provided silicone based materials with enhanced tackiness upon cure. These may be used for cured self-adhering silicone-based products such as pressure sensitive adhesives, self-adhering materials and/or self-sealing materials, made from condensation curable silicone-based compositions, the compositions therefor and to applications for which said self-adhesive products may be used. In one particular application the cured silicone based material may be utilised as a self-sealing layer in an inflatable article such as a pneumatic tire.Type: GrantFiled: October 6, 2020Date of Patent: October 1, 2024Assignee: Dow Silicones CorporationInventors: Frederic Gubbels, Victor Baily
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Patent number: 12104019Abstract: A composition contains an alpha-beta unsaturated ester, a silyl hydride, and a Bridged Frustrated Lewis Pair.Type: GrantFiled: June 2, 2020Date of Patent: October 1, 2024Assignee: Dow Silicones CorporationInventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei