Patents Assigned to Dover Chemical Corporation
  • Publication number: 20230399476
    Abstract: 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: Application
    Filed: August 26, 2023
    Publication date: December 14, 2023
    Applicant: Dover Chemical Corporation
    Inventors: Michael JAKUPCA, John Regula, Jacob Lance
  • Publication number: 20230054276
    Abstract: 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: Application
    Filed: August 5, 2022
    Publication date: February 23, 2023
    Applicant: Dover Chemical Corporation
    Inventor: Duong Nguyen
  • Publication number: 20220041822
    Abstract: 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: Application
    Filed: August 10, 2021
    Publication date: February 10, 2022
    Applicant: Dover Chemical Corporation
    Inventors: Michael JAKUPCA, John Regula, Jacob LANCE
  • Patent number: 11008529
    Abstract: 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: Grant
    Filed: December 13, 2019
    Date of Patent: May 18, 2021
    Assignee: Dover Chemical Corporation
    Inventors: Michael Jakupca, Jacob Weingart, Ben Rohr
  • Publication number: 20200407513
    Abstract: 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: Application
    Filed: February 12, 2019
    Publication date: December 31, 2020
    Applicant: DOVER CHEMICAL CORPORATION
    Inventors: Michael R Jakupca, Jacob M. Lance, John T. Regula
  • Patent number: 10745639
    Abstract: 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: Grant
    Filed: February 20, 2018
    Date of Patent: August 18, 2020
    Assignee: Dover Chemical Corporation
    Inventors: Mick Jakupca, Don Stevenson, John Nussbaumer, Jacob Weingart
  • Patent number: 10597945
    Abstract: 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: Grant
    Filed: February 10, 2017
    Date of Patent: March 24, 2020
    Assignee: Dover Chemical Corporation
    Inventor: Duong Nguyen
  • Publication number: 20190248960
    Abstract: 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: Application
    Filed: February 14, 2018
    Publication date: August 15, 2019
    Applicant: Dover Chemical Corporation
    Inventors: Michael R Jakupca, Jacob M. Lance, John T. Regula
  • Patent number: 9982112
    Abstract: 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: Grant
    Filed: July 16, 2014
    Date of Patent: May 29, 2018
    Assignee: Dover Chemical Corporation
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
  • Patent number: 9963572
    Abstract: 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: Grant
    Filed: February 26, 2016
    Date of Patent: May 8, 2018
    Assignee: Dover Chemical Corporation
    Inventors: Michael Jakupca, Don Stevenson, Jacob Weingart, John Regula
  • Patent number: 9745425
    Abstract: 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: Grant
    Filed: June 19, 2014
    Date of Patent: August 29, 2017
    Assignee: Dover Chemical Corporation
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
  • Publication number: 20160340493
    Abstract: 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: Application
    Filed: August 1, 2016
    Publication date: November 24, 2016
    Applicant: Dover Chemical Corporation
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
  • Publication number: 20160289529
    Abstract: 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: Application
    Filed: March 29, 2016
    Publication date: October 6, 2016
    Applicant: Dover Chemical Corporation
    Inventor: Duong Nguyen
  • Publication number: 20160237264
    Abstract: 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: Application
    Filed: April 26, 2016
    Publication date: August 18, 2016
    Applicant: Dover Chemical Corporation
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald Stevenson, John T. Regula, Jacob J. Weingart
  • Patent number: 9382201
    Abstract: 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: Grant
    Filed: May 21, 2014
    Date of Patent: July 5, 2016
    Assignee: Dover Chemical Corporation
    Inventors: Donald Stevenson, John Nussbaumer, Louis E. Bona
  • Publication number: 20150203636
    Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain.
    Type: Application
    Filed: March 16, 2015
    Publication date: July 23, 2015
    Applicant: DOVER CHEMICAL CORPORATION
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald Stevenson
  • Patent number: 8981042
    Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: March 17, 2015
    Assignee: Dover Chemical Corporation
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald Stevenson
  • Publication number: 20140378590
    Abstract: 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: Application
    Filed: June 19, 2014
    Publication date: December 25, 2014
    Applicant: DOVER CHEMICAL CORPORATION
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
  • Publication number: 20140329943
    Abstract: 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 w
    Type: Application
    Filed: July 16, 2014
    Publication date: November 6, 2014
    Applicant: DOVER CHEMICAL CORPORATION
    Inventors: Michael R. Jakupca, Jacob M. Lance, Donald R. Stevenson
  • Publication number: 20140080948
    Abstract: 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: Application
    Filed: September 16, 2013
    Publication date: March 20, 2014
    Applicant: Dover Chemical Corporation
    Inventors: Don STEVENSON, Jacob LANCE, Michael Jakupca