Patents by Inventor Brian W. Walther
Brian W. Walther 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: 11230650Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises an ionomer of a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ionomer comprises 50 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 50 weight percent of the blend based on the total weight of the blend, wherein the polymer blend meets the following equation: 3.5<2.76?60*I2(PO)+308*RVR+0.023*A<4.Type: GrantFiled: November 17, 2017Date of Patent: January 25, 2022Assignee: Dow Global Technologies LLCInventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
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Publication number: 20220017289Abstract: A flexible container (10) is disclosed. The flexible container (10) includes four panels (18, 20, 22, 24), each panel comprising a flexible multilayer film. Each flexible multilayer film is composed of a polymeric material. The four panels form (i) a body, (ii) a neck, and (iii) a handle. The handle (12) has an upper handle portion (12a) and a pair of spaced-apart legs (13, 15). The legs extend from the upper handle portion to the body on opposing sides of the neck. The flexible container includes a fitment (70) sealed to the neck. The flexible container includes a dispensing pump (100) attached to the fitment. The flexible container can provide a metered dose from a dispensing pump and the dispensing pump can also function as a handle to hand-carry the flexible container.Type: ApplicationFiled: November 30, 2018Publication date: January 20, 2022Inventors: Sheng Li, Bin Li, Brian W. Walther, Marc S. Black
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Patent number: 11198550Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container include (A) a front panel, a rear panel, a first gusseted side panel, and a second gusseted side panel. The gusseted side panels adjoin the front panel and the rear panel along peripheral seals to from a chamber. (B) Each peripheral seal has (i) an arcuate body seal inner edge (ABSIE) with opposing ends, (ii) a tapered seal inner edge (TSIE) extending from each end of the body seal. (C) The flexible container includes at least one ABSIE having a radius of curvature, Rc, from 1.0 mm to 300.0 mm.Type: GrantFiled: April 23, 2018Date of Patent: December 14, 2021Assignee: Dow Global Technologies LLCInventors: Marc S. Black, Simon Tage Jespersen, Chad V. Schuette, Muhammad Ali Siddiqui, Haley A. Lowry, Fabrice Digonnet, Brian W. Walther, Jeffrey E. Bonekamp
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Publication number: 20210380321Abstract: A bag-in-box assembly includes a box and a flexible container filled with a flowable material. The flexible container includes a front panel, a rear panel, and gusseted side panels adjoining the front panel and the rear panel along peripheral seals. Each peripheral seal having an arcuate body seal inner edge (ABSIE) and a tapered seal inner edge extending from each end of a body seal. The ABSIE has a radius of curvature from 1.0 mm to 300.0 mm. The bag-in-box assembly includes a top perimeter, a center perimeter, and a bottom perimeter as well as an aggregate contact length (ACL) at each perimeter. A top ACL is from 50% to 90% of the top perimeter, a center ACL is from 5% to 50% of the center perimeter, and a bottom ACL is from 50% to 90% of the bottom perimeter.Type: ApplicationFiled: September 27, 2019Publication date: December 9, 2021Inventors: Fabrice Digonnet, Marc S. Black, Brian W. Walther, Jazmine Gosey, Jeffrey E. Bonekamp
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Patent number: 11155394Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container includes (A) a front panel, a rear panel, a first gusseted side panel, and a second gusseted side panel. The gusseted side panels adjoin the front panel and the rear panel along peripheral seals to form a chamber. (B) Each peripheral seal has (i) a body seal inner edge (BSIE) with a bottom end and an opposing top end, (ii) a bottom tapered seal inner edge (b-TSIE) extending from the BSIE bottom end, and (iii) a top tapered seal inner edge (t-TSIE) extending from the BSIE top end. (C) The t-TSIE has a length that is at least 1.1 times greater than the length of the BSIE (in mm).Type: GrantFiled: April 23, 2018Date of Patent: October 26, 2021Assignee: Dow Global Technologies LLCInventors: Marc S. Black, Simon Tage Jespersen, Chad V. Schuette, Muhammad Ali Siddiqui, Haley A. Lowry, Fabrice Digonnet, Brian W. Walther, Jeffrey E. Bonekamp
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Patent number: 11149097Abstract: The present disclosure provides a composition containing a sulfonamide aliphatic anhydride grafted olefin-based polymer. The present disclosure also provides a multilayer structure. In an embodiment, a multilayer film is provided and includes: a layer (A) comprising an olefin-based polymer; a layer (B) that is a tie layer comprising a sulfonamide aliphatic anhydride grafted olefin-based polymer (SAA-g-PO); and a layer (C) comprising a polar component.Type: GrantFiled: June 21, 2017Date of Patent: October 19, 2021Assignee: Dow Global Technologies LLCInventors: Adriana I. Moncada, Brian W. Walther, Jerzy Klosin, Ahmad E. Madkour
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Publication number: 20210276303Abstract: The present disclosure provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures comprising one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure comprises a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2 ? 7.0?1.2×log (I2), wherein the first composition comprises 1 to 99 weight percent of the resin; and a maleic anhydride grafted polyethylene comprising a maleic anhydride grafted high density polyethylene, a maleic anhydride grafted linear low density polyethylene, a maleic anhydride grafted polyethylene elastomer, or a combination thereof, wherein the maleic anhydride grafted polyethylene comprises 1 to 99 weight percent of the resin.Type: ApplicationFiled: August 21, 2017Publication date: September 9, 2021Applicants: Dow Global Technologies LLC, Dow Global Technologies LLCInventors: Yong Zheng, Suzanne M. Guerra, Sydney E. Hansen, Brian W. Walther
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Patent number: 11110690Abstract: Embodiments are directed to a tie layer composition comprising functionalized polyethylene, styrene block copolymer, base polyethylene, and antioxidant co-stabilizers, wherein the antioxidant co-stabilizers comprise at least one oxygen scavenger, at least one peroxy free radical scavenger, and at least one alkyl free radical scavenger. Further embodiments are directed to multilayer films or sheets which include the tie layer composition.Type: GrantFiled: November 10, 2017Date of Patent: September 7, 2021Assignee: Dow Global TechnologiesInventors: Sydney E. Hansen, Brian W. Walther, Hayley A. Brown, Santosh S. Bawiskar
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Publication number: 20210221927Abstract: The present disclosure provides a composition containing a sulfonamide aliphatic anhydride grafted olefin-based polymer. The present disclosure also provides a multilayer structure. In an embodiment, a multilayer film is provided and includes: a layer (A) comprising an olefin-based polymer; a layer (B) that is a tie layer comprising a sulfonamide aliphatic anhydride grafted olefin-based polymer (SAA-g-PO); and a layer (C) comprising a polar component.Type: ApplicationFiled: June 21, 2017Publication date: July 22, 2021Inventors: Adriana I. Moncada, Brian W. Walther, Jerzy Klosin, Ahmad E. Madkour
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Publication number: 20210115243Abstract: The disclosure relates to a tie resin formulation for use as a tie layer in a multilayer structure. The resin includes a first polyolefin grafted with an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated acid derivative or a combination thereof, and having a density of 0.857 to 0.885 g/cm3, and 0.001 to 0.20 weight percent (wt. %) of a catalyst comprising at least one Lewis acid, where the resin includes the catalyst and up to 99.999 wt. % of the first polyolefin, where the wt. % is based on a total weight of the resin.Type: ApplicationFiled: March 29, 2018Publication date: April 22, 2021Applicant: Dow Global Technologies LLCInventors: Yong Zheng, Santosh S. Bawiskar, Brian W. Walther, Michael B. Biscoglio, Andong Liu
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Publication number: 20210115237Abstract: The present disclosure provides for a bicomponent fiber that includes a first region formed of a condensation polymer and a second region formed from a polyethylene blend. The polyethylene blend includes (i) an ethylene-based polymer having a density of 0.920 g/cm3 to 0.970 g/cm3 and a melt index, I2, as determined by ASTM D1238 at 190° C. and 2.16 kg of 0.5 to 150 g/10 minutes; (ii) a maleic anhydride -grafted polyethylene; and (iii) an inorganic Brønsted-Lowry acid having an acid strength pKa value at 25° C. of 1 to 6.5, wherein the polyethylene blend has a 0.03 to 0.5 weight percent of grafted maleic anhydride based on the total weight of the polyethylene blend. The first region is a core region of the bicomponent fiber and the second region is a sheath region of the bicomponent fiber, where the sheath region surrounds the core region.Type: ApplicationFiled: March 27, 2019Publication date: April 22, 2021Applicant: Dow Global Technologies LLCInventors: Fabricio Arteaga Larios, Brian W. Walther, Jill M. Martin, Ronald Wevers, Robert W. Bell
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Patent number: 10961210Abstract: The present disclosure provides a process for producing an aliphatic sulfonyl azide anhydride and the resultant aliphatic sulfonyl azide anhydride composition. The process includes: (i) thio-acetoxylating an alkenyl carboxylic acid anhydride to form a thioacetate anhydride intermediate, (ii) oxy chlorinating the thioacetate anhydride intermediate to form a sulfonyl chlorideanhydride intermediate; and (iii) azidizing the sulfonyl chloride anhydride intermediate to form an aliphatic sulfonyl azide anhydride.Type: GrantFiled: June 21, 2017Date of Patent: March 30, 2021Assignee: Dow Global Technologies LLCInventors: Adriana I. Moncada, Brian W. Walther, Jerzy Klosin, Ahmad E. Madkour
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Patent number: 10934039Abstract: The present disclosure provides a support system. In an embodiment, the support system includes a top plate and a base plate. The top plate and the base plate have a common outer perimeter. The support system includes a support structure. The support structure supports the top plate above the base plate. The support system includes a pair of parallel rails. The parallel rails extend from the top plate outer perimeter to a closed end at a center portion of the top plate. The pair of parallel rails defines a channel. The support system includes a protrusion on each respective rail. Each protrusion extends into the channel in mirror-image relation to each other. The protrusions are located a fitment width distance away from the closed end. The protrusions and the closed end together define a filling position. The support system includes a fitment for a flexible container in the channel.Type: GrantFiled: December 31, 2018Date of Patent: March 2, 2021Assignee: Dow Global Technologies LLCInventors: Marc S. Black, Chad V. Schuette, Brian W. Walther
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Patent number: 10920115Abstract: The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures including one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure that includes a high density polyethylene having a density greater than 0.960 g/cm3, wherein the high density polyethylene includes 1 to 99 weight percent of the resin, a maleic anhydride grafted high density polyethylene, wherein the maleic anhydride grafted high density polyethylene includes 1 to 99 weight percent of the resin, and a catalyst including at least one Lewis acid.Type: GrantFiled: August 5, 2016Date of Patent: February 16, 2021Assignee: Dow Global Technologies LLCInventors: Yong Zheng, Brian W. Walther, Santosh S. Bawiskar, Cristina Serrat
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Publication number: 20210025080Abstract: The present disclosure provides for a bicomponent fiber that includes a first region formed of a condensation polymer and a second region formed from a polypropylene blend. The polypropylene blend includes (i) a propylene-based polymer having a density of 0.895 g/cm3 to 0.920 g/cm3 and a melt index, I2, as determined by ASTM D1238 at 230° C. and 2.16 kg of 0.5 to 150 g/10 minutes; (ii) a maleic anhydride-grafted polypropylene; and (iii) an inorganic Brønsted-Lowry acid having an acid strength pKa value at 25° C. of 1 to 6.5, wherein the polypropylene blend has a 0.03 to 0.3 weight percent of grafted maleic anhydride based on the total weight of the polypropylene blend. The first region is a core region of the bicomponent fiber and the second region is a sheath region of the bicomponent fiber, where the sheath region surrounds the core region.Type: ApplicationFiled: March 4, 2019Publication date: January 28, 2021Applicant: Dow Global Technologies LLCInventors: Fabricio Arteaga Larios, Brian W. Walther, Jill M. Martin, Ronald Wevers, Robert W. Bell
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Patent number: 10894852Abstract: A process to form a functionalized ethylene-based polymer composition comprises reacting an ethylene-based polymer composition in at least one extruder with at least one functionalization agent and at least one free radical initiator at a melt temperature of greater than or equal to 200° C. The functionalized ethylene-based polymer composition has a yellowness index (YI) value of less than or equal to 45 and a functionalization content of greater than or equal to 2.0 wt %, based on the weight of the functionalized ethylene-based polymer composition.Type: GrantFiled: December 20, 2016Date of Patent: January 19, 2021Assignee: Dow Global Technologies LLCInventors: Santosh S. Bawiskar, Brian W. Walther
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Publication number: 20210002404Abstract: The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures comprising one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure comprises a maleic anhydride grafted polyolefin, and an inorganic Brønsted acid catalyst. In some aspects, the inorganic Brønsted acid catalyst comprises sodium bisulfate, monosodium phosphate, disodium phosphate, phosphoric acid, or combinations thereof.Type: ApplicationFiled: March 7, 2019Publication date: January 7, 2021Inventors: Brian W. Walther, Rebecca Putans, Qichun Wan, Yongfu Li, Rachel E. M. Brooner, Matthew T. Bishop, Yong Zheng
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Patent number: 10870253Abstract: A multilayer film comprising a first layer comprising from greater than 0 to 100 percent by weight of an ethylene/?-olefin interpolymer composition (LLDPE), based on the total weight of the film composition; and a second layer comprising at least 5 percent by weight of the second layer, of an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a density in the range of from 0.855 to 0.900 g/cm3; and having a melt index (190° C./2.16 kg) of greater than 200 g/10 min; and from 60 to 95 percent, by weight of the second layer, of EVOH is provided.Type: GrantFiled: April 1, 2015Date of Patent: December 22, 2020Assignee: Dow Global Technologies LLCInventors: Fanny Deplace, Hongming Ma, Brian W. Walther, Thomas Allgeuer, Peter H. R. Sandkuehler, Antonio Manrique, Claudia Hernandez, Angels Domenech, Lamy J. Chopin, III
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Publication number: 20200308127Abstract: The present disclosure provides a process for producing an aliphatic sulfonyl azide anhydride and the resultant aliphatic sulfonyl azide anhydride composition. The process includes: (i) thio-acetoxylating an alkenyl carboxylic acid anhydride to form a thioacetate anhydride intermediate, (ii) oxy chlorinating the thioacetate anhydride intermediate to form a sulfonyl chlorideanhydride N intermediate; and (iii) azidizing the sulfonyl chloride anhydride intermediate to form an aliphatic sulfonyl azide anhydride.Type: ApplicationFiled: June 21, 2017Publication date: October 1, 2020Inventors: Adriana I. Moncada, Brian W. Walther, Jerzy Klosin, Ahmad E. Madkour
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Publication number: 20200299445Abstract: A process to form a functionalized ethylene-based polymer composition comprises reacting an ethylene-based polymer composition in at least one extruder with at least one functionalization agent and at least one free radical initiator at a melt temperature of greater than or equal to 200° C. The functionalized ethylene-based polymer composition has a yellowness index (YI) value of less than or equal to 45 and a functionalization content of greater than or equal to 2.0 wt %, based on the weight of the functionalized ethylene-based polymer composition.Type: ApplicationFiled: December 20, 2016Publication date: September 24, 2020Inventors: Santosh S. Bawiskar, Brian W. Walther