Patents by Inventor Stephen Y. Cheng
Stephen Y. Cheng 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).
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Patent number: 9656446Abstract: The invention provides an article comprising a first layer and a second layer, and wherein the first layer is formed from a first composition comprising an ethylene/?-olefin/diene interpolymer, an isoprene rubber (synthetic), a natural rubber, a butadiene rubber, a styrene butadiene rubber, a chloroprene rubber, a nitrile rubber, a hydrogenated nitrile rubber, a chlorinated polyethylene, a chlorosulfonated polyethylene, an ethylene/propylene rubber, an ethylene/diene copolymer, a fluoro rubber, a polyurethane, a silicone rubber, or a combination thereof; and wherein the second layer is formed from a second composition comprising a butyl rubber, a halobutyl rubber, polyvinylidene chloride, a brominated polymer derived from a copolymer of isobutylene and p-methyl styrene, a nitrile rubber, a chloroprene rubber, a chlorosulfonated polyethylene, a chlorinated polyethylene, a polyurethane, a fluoro rubber, or a combination thereof.Type: GrantFiled: February 17, 2014Date of Patent: May 23, 2017Assignee: Dow Global Technologies LLCInventors: Muthu Subramanian, Jinder Jow, Stephen Y. Cheng, Thiam Aik Lim
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Publication number: 20140162079Abstract: The invention provides an article comprising a first layer and a second layer, and wherein the first layer is formed from a first composition comprising an ethylene/?-olefin/diene interpolymer, an isoprene rubber (synthetic), a natural rubber, a butadiene rubber, a styrene butadiene rubber, a chloroprene rubber, a nitrile rubber, a hydrogenated nitrile rubber, a chlorinated polyethylene, a chlorosulfonated polyethylene, an ethylene/propylene rubber, an ethylene/diene copolymer, a fluoro rubber, a polyurethane, a silicone rubber, or a combination thereof; and wherein the second layer is formed from a second composition comprising a butyl rubber, a halobutyl rubber, polyvinylidene chloride, a brominated polymer derived from a copolymer of isobutylene and p-methyl styrene, a nitrile rubber, a chloroprene rubber, a chlorosulfonated polyethylene, a chlorinated polyethylene, a polyurethane, a fluoro rubber, or a combination thereof.Type: ApplicationFiled: February 17, 2014Publication date: June 12, 2014Applicant: Dow Global Technologies LLCInventors: Muthu Subramanian, Jinder Jow, Stephen Y. Cheng, Thiam Aik Lim
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Patent number: 8652624Abstract: The invention provides an article comprising a first layer and a second layer, and wherein the first layer is formed from a first composition comprising an ethylene/?-olefin/diene interpolymer, an isoprene rubber (synthetic), a natural rubber, a butadiene rubber, a styrene butadiene rubber, a chloroprene rubber, a nitrile rubber, a hydrogenated nitrile rubber, a chlorinated polyethylene, a chlorosulfonated polyethylene, an ethylene/propylene rubber, an ethylene/diene copolymer, a fluoro rubber, a polyurethane, a silicone rubber, or a combination thereof; and wherein the second layer is formed from a second composition comprising a butyl rubber, a halobutyl rubber, polyvinylidene chloride, a brominated polymer derived from a copolymer of isobutylene and p-methyl styrene, a nitrile rubber, a chloroprene rubber, a chlorosulfonated polyethylene, a chlorinated polyethylene, a polyurethane, a fluoro rubber, or a combination thereof.Type: GrantFiled: November 10, 2008Date of Patent: February 18, 2014Assignee: Dow Global Technologies LLCInventors: Muthu Subramanian, Jinder Jow, Stephen Y. Cheng, Thiam Aik Lim
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Patent number: 8524793Abstract: A composition comprising at least the following: A) an interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene, and wherein the interpolymer comprises less than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomers, and wherein the interpolymer has a molecular weight distribution (Mw/Mn) less than 3; B) an interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene, and wherein the interpolymer comprises greater than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomer; and wherein the total polyene content is less than 7 weight percent.Type: GrantFiled: June 18, 2009Date of Patent: September 3, 2013Assignee: Dow Global Technologies, LLCInventors: Shuwen Peng, Wenbin Liang, Stephen Y. Cheng, Peter X. Lin, Shih-Yaw Lai
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Publication number: 20110178195Abstract: The invention provides a composition comprising at least the following components: A) an olefin-based polymer, B) a functionalized polydimethysiloxane, and C) a foaming agent comprising at least one organic compound.Type: ApplicationFiled: October 2, 2009Publication date: July 21, 2011Applicant: Dow Global Technologies LLCInventor: Stephen Y. Cheng
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Publication number: 20110034577Abstract: The invention provides a composition comprising at least the following: A) from “greater than zero” to “less than 100” phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene, and wherein the interpolymer comprises less than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomers, and wherein the interpolymer has a molecular weight distribution (Mw/Mn) less than 3; B) from “less than 100” to “greater than zero” phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene, and wherein the interpolymer comprises greater than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomer; and wherein the total polyene content is less than 7 weight percent (based on the total amount of polymerized monomers in the interpolymers of Components A and B).Type: ApplicationFiled: June 18, 2009Publication date: February 10, 2011Applicant: Dow Global Technologies, Inc.Inventors: Shuwen Peng, Wenbin Liang, Stephen Y. Cheng, Peter X. Lin, Shih-Yaw Lai
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Publication number: 20100260991Abstract: The invention provides an article comprising a first layer and a second layer, and wherein the first layer is formed from a first composition comprising an ethylene/?-olefin/diene interpolymer, an isoprene rubber (synthetic), a natural rubber, a butadiene rubber, a styrene butadiene rubber, a chloroprene rubber, a nitrile rubber, a hydrogenated nitrile rubber, a chlorinated polyethylene, a chlorosulfonated polyethylene, an ethylene/propylene rubber, an ethylene/diene copolymer, a fluoro rubber, a polyurethane, a silicone rubber, or a combination thereof; and wherein the second layer is formed from a second composition comprising a butyl rubber, a halobutyl rubber, polyvinylidene chloride, a brominated polymer derived from a copolymer of isobutylene and p-methyl styrene, a nitrile rubber, a chloroprene rubber, a chlorosulfonated polyethylene, a chlorinated polyethylene, a polyurethane, a fluoro rubber, or a combination thereof.Type: ApplicationFiled: November 10, 2008Publication date: October 14, 2010Applicant: DOW GLOBAL TECHNOLOGIES INC.Inventors: Muthu Subramanian, Jinder Jow, Stephen Y. Cheng, Thiam Aik Lim
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Publication number: 20100136273Abstract: The present invention is an article of construction formed from an article adhesively-bonded to a layering material through (a) reactive coupling of a functionalized nitroxide or (b) the adhesion of components in a polymer matrix made from or containing a polymer, an organic peroxide, and a functionalized nitroxide. The initial article may be expanded. It may also be polar or nonpolar. Similarly, the layering material may be polar or nonpolar. Other embodiments of the present invention are described, including other articles and methods for preparing the articles.Type: ApplicationFiled: October 9, 2007Publication date: June 3, 2010Inventors: Miguel A. Prieto, Peter Sandkuehler, Antonio Batistini, Sandra Hofmann, Stephen F. Hahn, Mohamed Esseghir, Monika Plass, Mark F. Sonnenschein, H. Craig Silvis, Hamed Lakrout, Kevin J. Bouck, Muthu Subramanian, Jinder Jow, Thiam Aik Lim, Stephen Y. Cheng, Lester Yeong
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Publication number: 20040103502Abstract: A zipper slide is constructed to include a slide body having a locating hole and a retaining hole, a mount integral with the slide body at the top, a pull-tab, the pull tab having a coupling hole pivotally coupled to pivot holders of the mount, and a spring member inserted through the coupling hole of the pull-tab and connected between the locating hole and retaining hole of the slide body to hold down the pull-tab, the spring member having a pointed rear end inserted through the retaining hole of the slide body for engaging the interlocking teeth of the zipper tapes in which the zipper slide to stop the zipper slide from displacement when the pull-tab turned to a horizontal position in parallel to the slide body.Type: ApplicationFiled: December 2, 2002Publication date: June 3, 2004Inventors: Tan Ming Chen, Stephen Y. Cheng