Patents by Inventor Yanhu Wei

Yanhu Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11685817
    Abstract: A composition contains a mixture of silyl hydride, epoxide and a Bridged Frustrated Lewis Pair.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: June 27, 2023
    Assignee: DOW SILICONES CORPORATION
    Inventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei
  • Publication number: 20230130539
    Abstract: An epoxy-curable silicone release coating composition and methods for its preparation and use are provided. The composition contains an inhibited Lewis acid catalyst. Releasing the Lewis acid catalyst from the inhibitor allows the Lewis acid to catalyze cure of the epoxy-groups. The composition can be coated on various substrates and cured to form a release liner.
    Type: Application
    Filed: May 12, 2021
    Publication date: April 27, 2023
    Inventors: Yanhu Wei, Zhenbin Niu, Peng-Fei Fu
  • Publication number: 20230050919
    Abstract: A base composition for forming a release coating composition is disclosed. The base composition comprises (A) a silicate resin that is a liquid at 25° C. in the absence of any solvent. The (A) silicate resin includes an average of at least one silicon-bonded ethylenically un saturated group per molecule. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically un saturated groups per molecule. The (A) silicate resin is miscible with the (B) organopolysiloxane in the absence of any solvent. A method of preparing the base composition and a method of preparing a release coating composition are also disclosed.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 16, 2023
    Inventors: Zhenbin NIU, Peng-Fei FU, Timothy MITCHELL, Yanhu WEI
  • Publication number: 20230051588
    Abstract: A pressure sensitive adhesive (PSA) composition comprises (A) a silicate resin that is a liquid at 25° C. in the absence of any solvent. The (A) silicate resin includes an average of at least one silicon-bonded ethylenically un saturated group per molecule. The PSA composition further comprises (B) an organosilicon compound having at least two silicon-bonded hydrogen atoms per molecule. In addition, the PSA composition comprises (C) a hydrosilylation-reaction catalyst. The (A) silicate resin is miscible in the PSA composition in the absence of any solvent. The PSA composition can be at least partially cured to give a PSA.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 16, 2023
    Inventors: Timothy MITCHELL, Peng-Fei FU, Zhenbin NIU, Yanhu WEI
  • Publication number: 20230047845
    Abstract: A base composition for forming a release coating composition is disclosed. The base composition comprises (A) a silicate resin that is a liquid at 25° C. in the absence of any solvent. The (A) silicate resin includes an average of at least one silicon-bonded ethylenically unsaturated group per molecule. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically unsaturated groups per molecule. A method of preparing the base composition and a method of preparing a release coating composition are also disclosed.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 16, 2023
    Inventors: Peng-Fei FU, Zhenbin NIU, Timothy MITCHELL, Yanhu WEI
  • Publication number: 20220396669
    Abstract: A composition containing: (a) a polysiloxane resin, wherein the polysiloxane resin contains the following siloxane units: [R3SiO1/2], [(OZ)qSiO(4-q)/2] and at least one of [(OZ)tREPSiO(3-t)/2] and [(OZ)dRREPSiO(2-d)/2]; where: each R is independently in each occurrence selected from hydrocarbyls, REP is an epoxy functional hydrocarbyl group, subscript q is in each occurrence a number selected from a range of 0-3, subscript t is in each occurrence a number selected from a range of 0-2, and subscript d is in each occurrence a number selected from a range of 0-1 provided that the average concentration of OZ groups is at least 15 mole-percent relative to moles of silicon atoms in the polysiloxane resin; (b) a photo acid generator; (c) a moisture cure catalyst; and (d) optionally, an epoxy functional diluent.
    Type: Application
    Filed: January 5, 2021
    Publication date: December 15, 2022
    Inventors: Peng-Fei Fu, Yanhu Wei
  • Publication number: 20220195144
    Abstract: A composition contains a mixture of silyl hydride, epoxide and a Bridged Frustrated Lewis Pair.
    Type: Application
    Filed: June 2, 2020
    Publication date: June 23, 2022
    Inventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei
  • Publication number: 20220185965
    Abstract: 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: Application
    Filed: June 2, 2020
    Publication date: June 16, 2022
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Publication number: 20220169855
    Abstract: 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: Application
    Filed: June 2, 2020
    Publication date: June 2, 2022
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Publication number: 20220169794
    Abstract: A composition contains a mixture of silyl hydride, a silanol and/or a silyl ether, and a Bridged Frustrated Lewis Pair.
    Type: Application
    Filed: June 2, 2020
    Publication date: June 2, 2022
    Inventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei
  • Publication number: 20220169795
    Abstract: A composition contains an alpha-beta unsaturated ester, a silyl hydride, and a Bridged Frustrated Lewis Pair.
    Type: Application
    Filed: June 2, 2020
    Publication date: June 2, 2022
    Inventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei
  • Publication number: 20220169797
    Abstract: A composition contains a mixture of silyl hydride, an alpha-beta unsaturated ester, 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: Application
    Filed: June 2, 2020
    Publication date: June 2, 2022
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Publication number: 20220162394
    Abstract: A composition contains a mixture of silyl hydride, an epoxide, a Lewis acid catalyst and an amine having the following formula: R1 R2 R3 N; where the nitrogen (N) is not a member of a N?C—N linkage and wherein 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 if the epoxide is linear and wherein none of R1, R2, and R3 are connected to the amine nitrogen with a conjugated carbon if the epoxide is a cyclic epoxide.
    Type: Application
    Filed: June 2, 2020
    Publication date: May 26, 2022
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Publication number: 20220162392
    Abstract: A composition contains a mixture of silyl hydride, a siloxane and a Bridged Frustrated Lewis Pair and can be thermally triggered to cure.
    Type: Application
    Filed: June 2, 2020
    Publication date: May 26, 2022
    Inventors: Marc-Andre Courtemanche, Eun Sil Jang, Yanhu Wei
  • Patent number: 11059994
    Abstract: A silicone resin is disclosed. The silicone resin is free from carbon atoms. A method of preparing the resin is additionally disclosed. This method comprises reacting a silane compound and a precursor compound, thereby preparing the silicone resin. A composition including the silicon resin and a vehicle is further disclosed. A method of preparing a film with the composition is also disclosed. This method comprises applying the composition including the silicone resin and the vehicle to a substrate to form a layer. This method also includes heating the layer to give the film.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: July 13, 2021
    Assignee: Dow Silicones Corporation
    Inventors: Randall G. Schmidt, Yanhu Wei, Shengqing Xu
  • Publication number: 20200248031
    Abstract: A silicone resin is disclosed. The silicone resin is free from carbon atoms. A method of preparing the resin is additionally disclosed. This method comprises reacting a silane compound and a precursor compound, thereby preparing the silicone resin. A composition including the silicon resin and a vehicle is further disclosed. A method of preparing a film with the composition is also disclosed. This method comprises applying the composition including the silicone resin and the vehicle to a substrate to form a layer. This method also includes heating the layer to give the film.
    Type: Application
    Filed: July 30, 2018
    Publication date: August 6, 2020
    Inventors: Randall G. SCHMIDT, Yanhu WEI, Shengqing XU
  • Patent number: 10351704
    Abstract: Described are hydrosilylation-curable polyorganosiloxane compositions containing sulfur, including hydrosilylation-curable polyorganosiloxane prepolymers and hydrosilylation-cured polyorganosiloxane polymer products made therefrom, as well as methods of preparing and using the same, devices comprising or prepared from the same, and sulfur-functional organosiloxanes useful therein.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: July 16, 2019
    Assignee: Dow Corning Corporation
    Inventors: Fumito Nishida, Steven Swier, Yanhu Wei
  • Patent number: 10155885
    Abstract: The present disclosure provides methods of making organosiloxane polymer compositions from hydrosilylation curable compositions comprising at least the components (a) and (b) and at least one of components (c) and (d): (a) an organosiloxane resin material comprising aliphatic unsaturation; and (b) an organosiloxane crosslinker comprising multiple silicon atom-bonded hydrogen atoms (e.g., an “SiH siloxane”); in combination with at least one of (c) at least one organosiloxane comprising at least two silicon atom-bonded hydrogen atoms; and (d) at least one organosiloxane comprising at least two silicon atom-bonded hydrocarbyl groups comprising aliphatic unsaturation (e.g., a “di-vinyl functional siloxane”). Such hydrosilylation curable compositions have, in some instances, significantly faster cure speed, relative to their condensation curable counterparts.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: December 18, 2018
    Assignee: Dow Corning Corporation
    Inventors: Steven Swier, Yanhu Wei
  • Patent number: 10113111
    Abstract: The various embodiments of the present invention relate to condensation curable silicone compositions comprising: a condensation curable polyorganosiloxane; and treated particles comprising a particulate solid having an effective amount of nitrogen-containing base (e.g., a nitrogen-containing superbase) disposed thereon. Other embodiments of the present invention relate to methods for preparing the aforementioned treated particles; the treated particles themselves; and methods of using the treated particles and compositions of the various embodiments of the present invention.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: October 30, 2018
    Assignee: Dow Silicones Corporation
    Inventors: Lizhi Liu, Steven Swier, Yanhu Wei
  • Publication number: 20170306150
    Abstract: Described are hydrosilylation-curable polyorganosiloxane compositions containing sulfur, including hydrosilylation-curable polyorganosiloxane prepolymers and hydrosilylation-cured polyorganosiloxane polymer products made therefrom, as well as methods of preparing and using the same, devices comprising or prepared from the same, and sulfur-functional organosiloxanes useful therein.
    Type: Application
    Filed: November 6, 2015
    Publication date: October 26, 2017
    Applicant: Dow Corning Corporation
    Inventors: FUMITO NISHIDA, STEVEN SWIER, YANHU WEI