Patents by Inventor Jonathan Doherty Zook

Jonathan Doherty Zook 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).

  • Patent number: 6232401
    Abstract: A polythioether includes a structure having the formula I —R1—[—S—(CH2)2—O—[—R2—O—]m—(CH2)2—S—R1—]n—  I wherein R1 denotes a divalent C2-6 n-alkyl, C3-6 branched alkyl, C6-8 cycloalkyl or C6-10 alkylcycloalkyl group, —[(—CH2—)p—X—]q—(—CH2—)r—, or —[(—CH2—)p—X—]q—(—CH2—)r— in which at least one —CH2— unit is substituted with a methyl group, R2 denotes methylene, a divalent C2-6 n-alkyl, C2-6 branched alkyl, C6-8 cycloalkyl or C6-10 alkylcycloalkyl group, or —[(—CH2—)p—X—]q—(—CH2—)r—, X denotes one selected from the group consisting of O, S and —NR6, R6 denotes H or methyl, m is a rational number from 0 to 10, n is an integer from 1 to 60, p is an integer from 2 to 6, q is an intege
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: May 15, 2001
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Jonathan Doherty Zook, Suzanna Gibson DeMoss, David Weldon Jordan, Chandra B. Rao
  • Patent number: 6172179
    Abstract: A polythioether includes a structure having the formula I —R1—[—S—(CH2)2—O—[—R2—O—]m—(CH2)2—S—R1—]n—  I wherein R1 denotes a C2-6 n-alkylene, C3-6 branched alkylene, C6-8cycloalkylene or C6-10 alkylcycloalkylene group, —[(—CH2—)p—X—]q—(—CH2—)r—, or —[(—CH2—)p—X—]q—(—CH2—)r— in which at least one —CH2— unit is substituted with a methyl group, R2 denotes a C2-6 n-alkylene, C2-6 branched alkylene, C6-8 cycloalkylene or C6-10 alkylcycloalkylene group, or —[(—CH2—)p—X—]q—(—CH2—)r—, X denotes one selected from the group consisting of O, S and —NR6, R6 denotes H or methyl, m is a rational number from 0 to 10, n is an integer from 1 to 60, p is an integer from 2 to 6, q is an integer from
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: January 9, 2001
    Assignee: PRC-Desoto International, Inc.
    Inventors: Jonathan Doherty Zook, Suzanna DeMoss, David Weldon Jordan, Chandra B. Rao
  • Patent number: 5959071
    Abstract: A polythioether has the formulaR.sup.1 --?--R.sup.2 --S--CH(CH.sub.3)--S--!.sub.n --R.sup.2 --R.sup.1whereinR.sup.1 denotes a thiol group, a hydroxyl group, an unsubstituted amine group, a monoalkyl-substituted amine group, a monovalent radical substituted with at least one hydroxyl group, unsubstituted amine group or monoalkyl-substituted amine group, or a group that is non-reactive in the presence of an acid catalyst,R.sup.2 denotes a divalent radical, andn is an integer from 1 to 60.The polythioether is a liquid at room temperature and pressure.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: September 28, 1999
    Assignee: Courtaulds Aerospace, Inc.
    Inventors: Suzanna Elaine DeMoss, Jonathan Doherty Zook
  • Patent number: 5912319
    Abstract: A polythioether includes a structure having the formula I--R.sup.1 --?--S--(CH.sub.2).sub.2 --O--?--R.sup.2 --O--!.sub.m --(CH.sub.2).sub.2 --S--R.sup.1 --!.sub.n --whereinR.sup.1 denotes a divalent C.sub.2-6 n-alkyl, C.sub.3-6 branched alkyl, C.sub.6-8 cycloalkyl or C.sub.6-10 alkylcycloalkyl group, --?(--CH.sub.2 --).sub.p --X--!.sub.q --(--CH.sub.2 --).sub.r --, or --?(--CH.sub.2 --).sub.p --X--!.sub.q --(--CH.sub.2 --).sub.r -- in which at least one --CH.sub.2 -- unit is substituted with a methyl group,R.sup.2 denotes methylene, a divalent C.sub.2-6 n-alkyl, C.sub.2-6 branched alkyl, C.sub.6-8 cycloalkyl or C.sub.6-10 alkylcycloalkyl group, --?(--CH.sub.2 --).sub.p --X--!.sub.q --(--CH.sub.2 --).sub.r --, or --?(--CH.sub.2 --).sub.p --X--!.sub.q --(--CH.sub.2 --).sub.r -- in which at least one --CH.sub.2 -- unit is substituted with a methyl group,X denotes one selected from the group consisting of O, S and --NR.sup.6,R.sup.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: June 15, 1999
    Assignee: Courtaulds Aerospace, Inc.
    Inventors: Jonathan Doherty Zook, Suzanna Gibson, David Weldon Jordan, Chandra B. Rao