Patents Assigned to Dover Chemical Corporation
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Publication number: 20240279446Abstract: An extruded film manufactured by a process comprising the steps: compounding a composition having: a polyolefin, a first component that is a polyethylene glycol, a polyethylene glycol mono-ester, or a polyethylene glycol di-ester, and a second component that is a phosphorus-containing compound having one of the following two structures: wherein each R1, R2, R3, R4 and R5 is independently selected and is a C10-C18 alkyl moiety; n is an integer ranging from 3-11; and the sum of x1+x2 is an integer ranging from 1-251, or wherein each R1, R2, R3 and R4 is independently selected and is a C10-C18 alkyl moiety; m is an integer ranging from 3-11; and x is an integer ranging from 1-122, wherein the composition does not include a fluorine-containing compound; and manufacturing an extruded film using the compounded composition, wherein the film has reduced melt fracture relative to a film manufactured by the same process and with a composition that is otherwise the same but does not include the first component oType: ApplicationFiled: January 16, 2024Publication date: August 22, 2024Applicant: Dover Chemical CorporationInventors: Michael Jakupca, Shawn Cook, John Regula, Quinn Braun
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Publication number: 20240279435Abstract: A manufacturing process comprising the steps: compounding a composition having: a polyolefin, a first component that is a polyethylene glycol, a polyethylene glycol mono-ester, or a polyethylene glycol di-ester, and a second component that is a phosphorus-containing compound having one of the following two structures: wherein each R1, R2, R3, R4 and R5 is independently selected and is a C10-C18 alkyl moiety; n is an integer ranging from 3-11; and the sum of x1+x2 is an integer ranging from 1-251, or wherein each R1, R2, R3 and R4 is independently selected and is a C10-C18 alkyl moiety; m is an integer ranging from 3-11; and x is an integer ranging from 1-122, wherein the composition does not include a fluorine-containing compound; and extruding the compounded composition through a die, and wherein the manufacturing process has a reduced rate of die buildup relative to a manufacturing process that is otherwise the same but does not include the first component or the second component.Type: ApplicationFiled: January 16, 2024Publication date: August 22, 2024Applicant: Dover Chemical CorporationInventors: Michael Jakupca, Shawn Cook, John Regula, Quinn Braun
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Publication number: 20240191045Abstract: An extruded film manufactured by a process having the steps of manufacturing a compounded composition by compounding: a polyolefin; a first component that is: a polyethylene glycol, a polyethylene glycol mono-ester, a polyethylene glycol di-ester, a polycaprolactone, a polypropylene glycol, a polypropylene glycol mono-ester, a polypropylene glycol di-ester, a polyethylene-glycol polypropylene-glycol copolymer, an ester prepared from a copolymer of polyethylene glycol and polypropylene glycol, a polyethylene-glycol polycaprolactone copolymer, or a polypropylene-glycol polycaprolactone copolymer; a second component that is a phosphorus-containing compound having one of the following two structures: wherein each R1, R2, R3, R4 and R5 is independently selected and is a C10-C18 alkyl moiety; n is an integer ranging from 3 to 11; and the sum of x1+x2 is an integer ranging from 1-251, or wherein each R1, R2, R3 and R4 is independently selected and is a C10-C18 alkyl moiety; m is an integer ranging from 3 toType: ApplicationFiled: October 19, 2023Publication date: June 13, 2024Applicant: Dover Chemical CorporationInventors: Michael Jakupca, Shawn Cook
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Publication number: 20240158620Abstract: A product produced by a process having the step of creating a compounded product by compounding a composition having a formulation that includes: a first component that is a virgin-plastic-resin composition, a second component that is a composition that is a post-consumer recycled plastic resin, a post-industrial recycled plastic resin, or a combination thereof, and a third component that is a compound having the structure: wherein each R1, R2, R3, R4 and R5 is independently selected and is a C10-C18 alkyl moiety; n is an integer ranging from 3 to 11; and the sum of X1+X2 is an integer ranging from 1-500.Type: ApplicationFiled: October 17, 2023Publication date: May 16, 2024Applicant: Dover Chemical CorporationInventors: Michael Jakupca, Shawn Cook, Matt Fender, Michael Davies
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Publication number: 20230399476Abstract: A composition having a polymer-film composition having a compound having the structure: wherein: each R is independently selected; each R is a C1-20 alkyl moiety, C2-22 alkenyl moiety, C6-40 cycloalkyl moiety, C6-40 cycloalkylene moiety, C2-20 alkyl glycol ether moiety, C10-C16 linear alkyl alcohol moiety, or Y—OH moiety; each Y is a C2-40 alkylene moiety, C6-40 cycloalkylene moiety, C2-20 alkylene glycol ether, or a C3-40 alkylene lactone; m is an integer ranging from 1 to 100; x is an integer ranging from 2 to 1,000; and the polymer-film composition having an oxidized polymer-film surface.Type: ApplicationFiled: August 26, 2023Publication date: December 14, 2023Applicant: Dover Chemical CorporationInventors: Michael JAKUPCA, John Regula, Jacob Lance
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Publication number: 20230054276Abstract: A composition having: 91% to 97% by weight a first component; and 3% to 9% by weight of a second component, the first component having one, two, or three of the following chlorinated-hydrocarbon subcomponents: the first chlorinated-hydrocarbon subcomponent being a plurality of chlorinated hydrocarbons that range from 35% to 45% by weight chlorine, the second chlorinated-hydrocarbon subcomponent being a plurality of chlorinated hydrocarbons that range from 45% to 55% by weight chlorine, and the third chlorinated-hydrocarbon subcomponent being a plurality of chlorinated hydrocarbons that range from 55% to 65% by weight chlorine, the second component being ethoxylated castor oil, calcium alkylbenzene sulfonate, or a combination thereof.Type: ApplicationFiled: August 5, 2022Publication date: February 23, 2023Applicant: Dover Chemical CorporationInventor: Duong Nguyen
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Publication number: 20220041822Abstract: A composition having a polymer-film composition having a compound having the structure: wherein: each R is independently selected; each R is a C1-20 alkyl moiety, C2-22 alkenyl moiety, C6-40 cycloalkyl moiety, C6-40 cycloalkylene moiety, C2-20 alkyl glycol ether moiety, C10-C16 linear alkyl alcohol moiety, or Y—OH moiety; each Y is a C2-40 alkylene moiety, C6-40 cycloalkylene moiety, C2-20 alkylene glycol ether, or a C3-40 alkylene lactone; m is an integer ranging from 1 to 100; x is an integer ranging from 2 to 1,000; and the polymer-film composition having an oxidized polymer-film surface.Type: ApplicationFiled: August 10, 2021Publication date: February 10, 2022Applicant: Dover Chemical CorporationInventors: Michael JAKUPCA, John Regula, Jacob LANCE
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Patent number: 11008529Abstract: A method having the step of using a compound as an additive for: gear oil, grease, engine oil, combustion-engine lubricant, automatic transmission fluid, two-cycle engine lubricant, marine-engine lubricant, or anti-wear agent, the compound having the structure: wherein each R is an independently selected alkylphenol-free moiety that is a C1-22 alkyl, C6-40 cycloalkyl, C3-20 methoxy alkyl glycol ether, C3-20 alkyl glycol ether, or Y—OH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C2-40 alkylene, C6-40 cycloalkylene, C2-20 alkylene glycol ether, or C3-40 alkylene lactone moiety; wherein each m is an independently selected integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.Type: GrantFiled: December 13, 2019Date of Patent: May 18, 2021Assignee: Dover Chemical CorporationInventors: Michael Jakupca, Jacob Weingart, Ben Rohr
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Publication number: 20200407513Abstract: The invention pertains generally to a polymer composition comprising a certain secondary polymeric polyphosphite anti-oxidant, that can also act as a polymer processing aid alone or in combination with another polymer processing aid.Type: ApplicationFiled: February 12, 2019Publication date: December 31, 2020Applicant: DOVER CHEMICAL CORPORATIONInventors: Michael R Jakupca, Jacob M. Lance, John T. Regula
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Patent number: 10745639Abstract: A composition having a compound having the structure: wherein each R is an independently selected alkylphenol-free moiety that is a C1-20 alkyl, C2-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene, C3-20 methoxy alkyl glycol ether, C3-20 alkyl glycol ether, or Y—OH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C2-40 alkylene, C7-40 cycloalkylene, or C3-40 alkyl lactone moiety; wherein m is an integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.Type: GrantFiled: February 20, 2018Date of Patent: August 18, 2020Assignee: Dover Chemical CorporationInventors: Mick Jakupca, Don Stevenson, John Nussbaumer, Jacob Weingart
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Patent number: 10597945Abstract: A method for performing a coiled-tubing process, the method having the steps: performing a coiled-tubing process using a fluid-lubricant composition that includes a sulfur-containing compound, and introducing the fluid-lubricant composition into a subterranean wellbore casing.Type: GrantFiled: February 10, 2017Date of Patent: March 24, 2020Assignee: Dover Chemical CorporationInventor: Duong Nguyen
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Publication number: 20190248960Abstract: The invention pertains generally to a polymer composition comprising a certain secondary anti-oxidant, that can also act as a polymer processing aid alone or in combination with another polymer processing aid.Type: ApplicationFiled: February 14, 2018Publication date: August 15, 2019Applicant: Dover Chemical CorporationInventors: Michael R Jakupca, Jacob M. Lance, John T. Regula
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Patent number: 9982112Abstract: A copolymeric polyphosphite is described: wherein each R1 through R5 can be the same or different and independently selected from the group consisting of C12-20 alkyl, C12-22 alkenyl, C12-40 cycloalkyl, C12-40-cycloalkenyl, C12-20 alkyl glycol ethers and A-OH and B—OH are different end-capping groups and independently selected from the group consisting of C2-40 alkylene, C7-40 cycloalkylene, C3-20 alkyl glycol ethers, C3-40 alkyl lactone, and —R7—N(R8)—R9—; wherein R7 and through R9 are independently selected from the group C1-20 alkyl, C2-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene and H; m and n are integers from 1 to 100 inclusive, with various provisos.Type: GrantFiled: July 16, 2014Date of Patent: May 29, 2018Assignee: Dover Chemical CorporationInventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
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Patent number: 9963572Abstract: A composition having polyvinylchloride; and a chlorinated ester having the chemical structure: wherein R1 is a C6-22 chlorinated-hydrocarbon moiety, wherein R2 is a C1-C18 hydrocarbon moiety, wherein n is 1, 2, 3, or 4, wherein if n is greater than 1, each R1 is the same or different; and wherein the chlorinated ester is 15-70% by weight chlorine; wherein the chlorinated ester is a product of a process that uses fatty-acid-ester reactants having less than two C?C double bonds; and wherein the chlorinated ester is a product of a process that does not use fatty-acid-ester reactants having two or more C?C double bonds.Type: GrantFiled: February 26, 2016Date of Patent: May 8, 2018Assignee: Dover Chemical CorporationInventors: Michael Jakupca, Don Stevenson, Jacob Weingart, John Regula
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Patent number: 9745425Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain. Incorporation of the polymeric polyphosphite into synthetic polymers reduces the yellowness index of any polymer into which the polymeric polyphosphite additive has been added, as well as increased hydrolytic stability as well as increased resistance to migration in food packaging.Type: GrantFiled: June 19, 2014Date of Patent: August 29, 2017Assignee: Dover Chemical CorporationInventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
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Publication number: 20160340493Abstract: The invention pertains generally to an improved polymer composition which contains at least one polymeric polyphosphite or copolymeric polyphosphite additive containing no alkylphenols. Alkylphenol-free polymeric polyphosphites offer distinct advantages over conventional phosphite technology in rubbers and rubber compounds. Polymeric polyphosphites offer improved performance in regards to the prevention of color formation during high temperature processing and NOx aging.Type: ApplicationFiled: August 1, 2016Publication date: November 24, 2016Applicant: Dover Chemical CorporationInventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
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Publication number: 20160289529Abstract: A composition having a three-component blend, wherein the first component is a sulfurized additive; wherein the second component is an oleic-acid ester or tall-oil fatty-acid ester; and wherein the third component includes an ethoxylated fatty ester.Type: ApplicationFiled: March 29, 2016Publication date: October 6, 2016Applicant: Dover Chemical CorporationInventor: Duong Nguyen
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Publication number: 20160237264Abstract: The invention pertains generally to an improved polymer composition which contains at least one liquid polymeric polyphosphite additive containing no alkylphenols. Alkylphenol-free polymeric polyphosphites offer distinct advantages over conventional phosphite technology in polyolefin films. Polymeric polyphosphites offer improved performance in regards to the prevention of color formation during high temperature processing, NOx aging, and gamma irradiation.Type: ApplicationFiled: April 26, 2016Publication date: August 18, 2016Applicant: Dover Chemical CorporationInventors: Michael R. Jakupca, Jacob M. Lance, Donald Stevenson, John T. Regula, Jacob J. Weingart
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Patent number: 9382201Abstract: A composition having a compound having the structure: wherein n is an integer greater than or equal to 1; wherein X is an alkyl moiety or aryl moiety; wherein X1 is an alkyl moiety or aryl moiety; wherein Y is an alkyl moiety or aryl moiety, having a carbon number that is greater than or equal to 0, and wherein if Y has a carbon number of 0, the compound has the structure:Type: GrantFiled: May 21, 2014Date of Patent: July 5, 2016Assignee: Dover Chemical CorporationInventors: Donald Stevenson, John Nussbaumer, Louis E. Bona
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Publication number: 20150203636Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain.Type: ApplicationFiled: March 16, 2015Publication date: July 23, 2015Applicant: DOVER CHEMICAL CORPORATIONInventors: Michael R. Jakupca, Jacob M. Lance, Donald Stevenson