Patents by Inventor John B. Dickenson

John B. Dickenson 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).

  • Heterocyclic diorganotin catalysts for use in polyurethane systems
    Patent number: 5149844
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formula ##STR1## where R is a C.sub.1 -C.sub.8 alkyl or an aryl group,Y is --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --CH.sub.2 CH(CH.sub.3)--, --CH.sub.2 CH(OH)CH.sub.2 --, or ##STR2## and X is a linking group which may be --S-- or --O--.Also disclosed are cationic electrodepositable compositions containing such catalysts.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: September 22, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Polymeric diorganotin catalysts for use in polyurethane systems
    Patent number: 5145976
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide of the formula R.sub.2 SnO of a diorganotin dichloride of the formula R.sub.2 SnCl.sub.2 with a compound of the formula HS--CH.sub.2 CH(OH)CH.sub.2 XH where R is a C.sub.1 -C.sub.8 alkyl or an aryl group and X is --O-- or --S--.Also disclosed are cationic electrodepositable (CED) compositions containing such catalysts.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: September 8, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Heterocyclic diorganotin catalysts for use in polyurethane systems
    Patent number: 5089583
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formula ##STR1## where R is a C.sub.1 -C.sub.8 alkyl or an aryl group.Y is --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --CH.sub.2 CH(CH.sub.3)--, --CH.sub.2 CH(OH)CH.sub.2 --, or ##STR2## and X is a linking group which may be --S-- or --O--.Also disclosed are cationic electrodepositable compositions containing such catalysts.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: February 18, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Polymeric diorganotin catalysts for use in polyurethane systems
    Patent number: 5089584
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide of the formula R.sub.2 SnO or a diorganotin dichloride of the formula R.sub.2 SnCl.sub.2 with a compound of the formula HS--CH.sub.2 CH(OH)CH.sub.2 XH where R is a C.sub.1 -C.sub.8 alkyl or an aryl group and X is --O-- or --S--.Also disclosed alre cationic electrodepositable (CED) compositions containing such catalysts.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: February 18, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Hydroxyl-containing organotin catalysts for making polyurethanes
    Patent number: 5089645
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxyl-containing compound are hydroxyl-containing organotins such as, for example, compounds of formulas I-III ##STR1## where R is a C.sub.1 -C.sub.8 alkyl or an aryl group;R.sup.1 is a C.sub.2 -C.sub.22 divalent hydrocarbyl group which may contain a hydroxyl substituent;X is a linking group which may be --O--, --S-- or --O.sub.2 C--;Y is a hydroxyl-containing C.sub.3 -C.sub.5 alkylene group;Y' is a C.sub.1 -C.sub.9 divalent hydrocarbyl group;Z is divalent organic linking group; andn is 0 or 1.Suitable hydroxyl-containing organotin compounds would also include polymeric organotin compounds prepared by the reaction of a diorganotin oxide or diorganotin dichloride with HSCH.sub.2 CH(OH)CH.sub.2 XH, preferably in a 1:0.5-1 molar ratio, where X is --S-- or --O--.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: February 18, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Triblock amide fluorosurfactants
    Patent number: 5035841
    Abstract: A compound of the formula ##STR1## Where R.sub.f is a perfluorinated C.sub.2 -C.sub.20 hydrocarbyl group,A is a C.sub.2 -C.sub.4 alkylene group, anda is from 1 to 1000.These triblock amide perfluoro compounds are useful as surfactants.
    Type: Grant
    Filed: May 2, 1989
    Date of Patent: July 30, 1991
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Christine A. Costello, John B. Dickenson
  • Organotin catalysts for use in polyurethane systems
    Patent number: 4987244
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formulaR.sub.2 Sn[X--R.sup.1 --OH].sub.2whereR is a C.sub.1 -C.sub.8 alkyl or an aryl group,R.sup.1 is a C.sub.2 -C.sub.9 divalent hydrocarbyl group which may contain a hydroxyl substituent, andX is a linking group which may be --S-- or --O.sub.2 C--.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: January 22, 1991
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Cationic electrodepositable compositions of partially-blocked polyisocyanates and amine-epoxy resins containing polymeric diorganotin catalysts
    Patent number: 4981925
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide of the formula R.sub.2 SnO or a diorganotin dichloride of the formula R.sub.2 SnCl.sub.2 with a compound of the formula HS--CH.sub.2 CH(OH)CH.sub.2 XH where R is a C.sub.1 -C.sub.8 alkyl or an aryl group and X is --O-- or --S--.Also disclosed are cationic electrodepositable (CED) compositions containing such catalysts.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: January 1, 1991
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Cationic electrodepositable compositions of blocked polyisocyanates and amine-epoxy resins containing diorganotin bis-mercaptides and bis-carboxylates as catalysts
    Patent number: 4981924
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formulaR.sub.2 Sn[X--R.sup.1 --OH].sub.2whereR is a C.sub.1 -C.sub.8 alkyl or an aryl group,R.sup.1 is a C.sub.2 -C.sub.9 divalent hydrocarbyl group which may contain a hydroxyl substituent, andX is a linking group which may be --S-- or --O.sub.2 C--.Also disclosed are cationic electrodepositable (CED) compositions containing such catalysts.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: January 1, 1991
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson
  • Cationic electrodepositable compositions of partially-blocked polyisocyanates and amine-epoxy resins containing heterocyclic diorganotin catalysts
    Patent number: 4978728
    Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formula ##STR1## where R is a C.sub.1 -C.sub.8 alkyl or an aryl group,Y is --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --CH.sub.2 CH(CH.sub.3)--, --CH.sub.2 CH(OH)CH.sub.2 --, or ##STR2## X is a linking group which may be --S-- or --O--. Also disclosed are cationic electrodepositable compositions containing such catalysts.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: December 18, 1990
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James D. Nichols, John B. Dickenson