Patents by Inventor Olaf Henschke
Olaf Henschke 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: 11618818Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.Type: GrantFiled: April 12, 2018Date of Patent: April 4, 2023Assignee: Dow Global Technologies LLCInventors: Wanfu Ma, Santosh S. Bawiskar, Yi Jin, Ling Zhang-watson, Allan Walter Mclennaghan, Olaf Henschke
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Publication number: 20220325051Abstract: The present disclosure provides a process. The process includes (i) providing a post-consumer recycled polypropylene (PCR-PP) having a melt flow rate (MFR I2) equal to, or greater than, 7.0 g/10 min; (ii) adding a 4,4?-oxydibenzenesulfonyl azide (DPO-BSA) to the PCR-PP; (iii) melt blending the PCR-PP with the DPO-BSA; and (iv) forming a DPO-BSA coupled PCR-PP having a melt flow rate (MFR I2) equal to, or less than, 5 g/10 min.Type: ApplicationFiled: June 22, 2020Publication date: October 13, 2022Inventor: Olaf Henschke
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Patent number: 11292897Abstract: A composition comprising (A) from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg); (B) from 1 wt % to 60 wt % of a polyolefin elastomer; (C) from 1 wt % to 20 wt % of a block composite comprising (i) an ethylene-propylene copolymer, (ii) an isotactic polypropylene copolymer, and (iii) a block copolymer including an ethylene-propylene soft block that has a same composition as the ethylene-propylene copolymer of the block composite and an isotactic polypropylene hard block that has a same composition as the isotactic polypropylene copolymer of the block composite; and (D) optionally, from 0.1 wt % to 10 wt % of an antioxidant.Type: GrantFiled: May 24, 2017Date of Patent: April 5, 2022Assignee: Dow Global Technologies LLCInventors: Olaf Henschke, Yahong Zhang, Wei Li, Hang Wu, Takahiko Ohmura, Yushan Hu, Ming Ming, Krischan Jeltsch
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Publication number: 20210198473Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.Type: ApplicationFiled: April 12, 2018Publication date: July 1, 2021Applicant: Dow Global Technologies LLCInventors: Wanfu MA, Santosh S. BAWISKAR, Yi JIN, Ling ZHANG-WATSON, Allan Walter MCLENNAGHAN, Olaf HENSCHKE
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Patent number: 10870745Abstract: A composition comprising (A) from 40 wt % to 75 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 1.0 g/10 min to 100.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg); (B) from 1 wt % to 40 wt % of an olefin block copolymer; and (C) from 1 wt % to 20 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, based on the total weight of the ethylene based polymer, and a melt index from 0.1 g/10 min to 50.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg).Type: GrantFiled: May 25, 2017Date of Patent: December 22, 2020Assignee: Dow Global Technologies LLCInventors: Olaf Henschke, Krischan Jeltsch
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Publication number: 20200332101Abstract: A composition comprising (A) from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg); (B) from 1 wt % to 60 wt % of a polyolefin elastomer; (C) from 1 wt % to 20 wt % of a block composite comprising (i) an ethylene-propylene copolymer, (ii) an isotactic polypropylene copolymer, and (iii) a block copolymer including an ethylene-propylene soft block that has a same composition as the ethylene-propylene copolymer of the block composite and an isotactic polypropylene hard block that has a same composition as the isotactic polypropylene copolymer of the block composite; and (D) optionally, from 0.1 wt % to 10 wt % of an antioxidant.Type: ApplicationFiled: May 24, 2017Publication date: October 22, 2020Applicant: Dow Global Technologies LLCInventors: Olaf HENSCHKE, Yahong ZHANG, Wei LI, Hang WU, Takahiko OHMURA, Yushan HU, Ming MING, Krischan JELTSCH
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Publication number: 20190136027Abstract: A composition comprising (A) from 40 wt % to 75 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 1.0 g/10 min to 100.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg); (B) from 1 wt % to 40 wt % of an olefin block copolymer; and (C) from 1 wt % to 20 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, based on the total weight of the ethylene based polymer, and a melt index from 0.1 g/10 min to 50.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg).Type: ApplicationFiled: May 25, 2017Publication date: May 9, 2019Inventors: Olaf Henschke, Krischan Jeltsch
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Patent number: 8575275Abstract: The invention provides a composition comprising the reaction product of a mixture comprising the following: A) at least one functionalized ethylene-based polymer formed by reacting an ethylene-based polymer with at least one anhydride-containing compound and/or at least one carboxylic acid-containing compound; B) at least one ethylene-based polymer; C) at least one anhydride-containing compound and/or at least one carboxylic acid-containing compound; and wherein the composition comprises from 0.05 to 1.0 weight percent, based on the total weight of the composition, of one or more grafted anhydride-containing compounds and/or one or more grafted carboxylic acid-containing compounds.Type: GrantFiled: September 3, 2008Date of Patent: November 5, 2013Assignee: Dow Global Technologies LLCInventors: Olaf Henschke, Gabriele Goethel
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Patent number: 8399079Abstract: Thermoformable sheet having a thickness of at least 300 micrometers comprising a blend of: (A) from 5 to 20% by weight of a propylene-ethylene copolymer having substantially isotactic propylene sequences, the propylene-ethylene copolymer having a melt flow rate from 4 to 30 g/10 min and comprising at least 70% by weight units derived from propylene and from about 10 to 20% by weight units derived from ethylene; and (B) from 80 to 95% by weight of a polypropylene having a melt flow rate of from 2 to 8 grams/10 minutes, wherein the melt flow rate of the blend is from 2 to 7 grams/10 minutes and wherein the blend exhibits: (1) room temperature Charpy toughness of at least 15 KJ/m2, (2) flexural modulus of at least 1000 MPa, (3) 00 Charpy toughness of at least 2 KJ/m2, and (4) a value for haze of less than 40%.Type: GrantFiled: August 31, 2005Date of Patent: March 19, 2013Assignee: Dow Global Technologies LLCInventors: Ana Rosell-Uriz, Enrique Torres, Olaf Henschke
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Patent number: 8017204Abstract: Compositions suitable for manufacturing injection molded articles having a minimum wall thickness of from 500 ?m to 2.0 mm comprise from: (A) 2 to 15% by weight of a propylene-ethylene copolymer having substantially isotactic propylene sequences; (B) 85 to 98% by weight of a random polypropylene copolymer having from 2.5 to 5.0% by weight units derived from ethylene and a melt flow rate of from 25 to 130 grams/10 minutes (g/10 min); and (C) 500 to 2500 ppm by weight of a nucleator/clarifier additive (based on the weight of the random polypropylene copolymer). Typically, the melt flow rate of the compositions is from 20 to 125 g/10 min, and the propylene-ethylene copolymer comprises at least 75% by weight propylene and has a melt flow rate from 4 to 30 g/10 min.Type: GrantFiled: January 9, 2008Date of Patent: September 13, 2011Assignee: Dow Global Technologies LLCInventors: Olaf Henschke, Enrique Torres
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Publication number: 20100304051Abstract: The invention provides a composition comprising the reaction product of a mixture comprising the following: A) at least one functionalized ethylene-based polymer formed by reacting an ethylene-based polymer with at least one anhydride-containing compound and/or at least one carboxylic acid-containing compound; B) at least one ethylene-based polymer; C) at least one anhydride-containing compound and/or at least one carboxylic acid-containing compound; and wherein the composition comprises from 0.05 to 1.0 weight percent, based on the total weight of the composition, of one or more grafted anhydride-containing compounds and/or one or more grafted carboxylic acid-containing compounds.Type: ApplicationFiled: September 3, 2008Publication date: December 2, 2010Applicant: Dow Global Technologies Inc.Inventors: Olaf Henschke, Gabriele Goethel
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Publication number: 20100055362Abstract: Compositions suitable for manufacturing injection molded articles having a minimum wall thickness of from 500 ?m to 2.0 mm comprise from: (A) 2 to 15% by weight of a propylene-ethylene copolymer having substantially isotactic propylene sequences; (B) 85 to 98% by weight of a random polypropylene copolymer having from 2.5 to 5.0% by weight units derived from ethylene and a melt flow rate of from 25 to 130 grams/10 minutes (g/10 min); and (C) 500 to 2500 ppm by weight of a nucleator/clarifier additive (based on the weight of the random polypropylene copolymer). Typically, the melt flow rate of the compositions is from 20 to 125 g/10 min, and the propylene-ethylene copolymer comprises at least 75% by weight propylene and has a melt flow rate from 4 to 30 g/10 min.Type: ApplicationFiled: January 9, 2008Publication date: March 4, 2010Inventors: Olaf Henschke, Enrique Torres
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Publication number: 20070259143Abstract: Thermoformable sheet having a thickness of at least 300 micrometers comprising a blend of: (A) from 5 to 20% by weight of a propylene-ethylene copolymer having substantially isotactic propylene sequences, the propylene-ethylene copolymer having a melt flow rate from 4 to 30 g/10 min and comprising at least 70% by weight units derived from propylene and from about 10 to 20% by weight units derived from ethylene; and (B) from 80 to 95% by weight of a polypropylene having a melt flow rate of from 2 to 8 grams/10 minutes, wherein the melt flow rate of the blend is from 2 to 7 grams/10 minutes and wherein the blend exhibits: (1) room temperature Charpy toughness of at least 15 KJ/m2, (2) flexural modulus of at least 1000 MPa, (3) 00 Charpy toughness of at least 2 KJ/m2, and (4) a value for haze of less than 40%.Type: ApplicationFiled: August 31, 2005Publication date: November 8, 2007Applicant: Dow Global Technologies Inc.Inventors: Ana Rosell-Uriz, Enrique Torres, Olaf Henschke