Patents Assigned to Dover Chemical Corporation
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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
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Patent number: 8981042Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain.Type: GrantFiled: June 19, 2013Date of Patent: March 17, 2015Assignee: Dover Chemical CorporationInventors: Michael R. Jakupca, Jacob M. Lance, Donald Stevenson
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Publication number: 20140378590Abstract: 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: ApplicationFiled: June 19, 2014Publication date: December 25, 2014Applicant: DOVER CHEMICAL CORPORATIONInventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
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Publication number: 20140329943Abstract: An alkylphenol-free colorless liquid copolymeric polyphosphite is described of generic formula: wherein each R1, R2, R3, R4 and 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 as an end-capping groups; each A and B are different 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, R8 and 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 integral values ranging from 1 to 100 inclusive, with the proviso that when —O-A or —O—B are C3-20 alkyl glycol ethers, x or y is an integral value no less than 7; x and y are integral values ranging from 1 to 1,000 wherein x+y sum to at least 3; and further wherein no more than two of R1, R2, R3, R4 and R5 are terminated wType: ApplicationFiled: July 16, 2014Publication date: November 6, 2014Applicant: DOVER CHEMICAL CORPORATIONInventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
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Publication number: 20140080948Abstract: A composition having a polymeric ester having the formula: wherein each R is the same or different and independently selected from the group consisting of H, C1-20 alkyl carboxylate, C3-22 alkenyl carboxylate, C6-40 cycloalkyl carboxylate, and C6-40 cycloalkylene carboxylate; R2 is selected from the group consisting of C1-20 alkyl, C3-22 alkenyl, C6-40 cycloalkyl, and C6-40 cycloalkylene; and at least one polymer additive.Type: ApplicationFiled: September 16, 2013Publication date: March 20, 2014Applicant: Dover Chemical CorporationInventors: Don STEVENSON, Jacob LANCE, Michael Jakupca