Patents Represented by Attorney James T. Dunn
  • Patent number: 4122129
    Abstract: A normally-solid, bioabsorbable, hydrolyzable, polymeric reaction product of (A) a polyglycolic acid composition and (B) a polyester of diglycolic acid and an unhindered glycol and to the process of preparing the same and the use of said polymeric reaction product as a sterile surgical element and as a device for the controlled continuous administration of a predetermined dosage of a drug to a living animal.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: October 24, 1978
    Assignee: American Cyanamid Company
    Inventors: Donald James Casey, Martin Epstein
  • Patent number: 4118470
    Abstract: A normally-solid, bioabsorbable, hydrolyzable, polymeric reaction product of (A) a polyglycolic acid composition and (B) a polyester of diglycolic acid and an unhindered glycol and to the process of preparing the same and the use of said polymeric reaction product as a sterile surgical element and as a device for the controlled continuous administration of a predetermined dosage of a drug to a living animal.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: October 3, 1978
    Assignee: American Cyanamid Company
    Inventors: Donald James Casey, Martin Epstein
  • Patent number: 4118437
    Abstract: A polymeric finely-divided powder coating composition comprising a homogeneous blend of certain quantities of a solid polymeric material having a comparatively low molecular weight and containing certain reactive groups blended with certain quantities of tetrakismethoxymethylglycoluril.
    Type: Grant
    Filed: April 8, 1976
    Date of Patent: October 3, 1978
    Assignee: American Cyanamid Company
    Inventor: Girish Girdhar Parekh
  • Patent number: 4110288
    Abstract: An aqueous vinyl polymeric emulsion system prepared by polymerizing at least one polymerizable vinyl monomer in an aqueous emulsion system in the presence of an emulsifying agent, a polymerization catalyst and from about 0.1% to about 5%, by weight, based on the total weight of the monomer solids being polymerized, of a non-copolymerizable aminoplast resin.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: August 29, 1978
    Assignee: American Cyanamid Company
    Inventors: Peter J. Schirmann, Werner J. Blank
  • Patent number: 4105708
    Abstract: A normally liquid substantially fully methylolated, substantially fully mixed alkylated glycoluril derivative consisting essentially of dimethoxymethyl diethoxymethyl glycoluril is a highly effective cross-linking agent for both water-based and organic solvent-based resin coating compositions.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: August 8, 1978
    Assignee: American Cyanamid Company
    Inventor: Girish G. Parekh
  • Patent number: 4101520
    Abstract: A methylated, methylolated melamine composition having a certain combined formaldehyde content, a certain combined methanol content in the form of methoxymethyl groups, a certain -NH content and a certain content of a free methylol groups, the process of preparing the same and the use of such a melamine composition in admixture with other polymeric materials to provide coating compositions.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: July 18, 1978
    Assignee: American Cyanamid Company
    Inventor: Leslie Boldizar
  • Patent number: 4095600
    Abstract: A normally-solid, bioabsorbable, hydrolyzable, polymeric reaction product of (A) a polyglycolic acid composition and (B) a polyester of diglycolic acid and an unhindered glycol and to the process of preparing the same and the use of said polymeric reaction product as a sterile surgical element and as a device for the controlled continuous administration of a predetermined dosage of a drug to a living animal.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: June 20, 1978
    Assignee: American Cyanamid Company
    Inventors: Donald James Casey, Martin Epstein
  • Patent number: 4094150
    Abstract: A gel-forming composition of matter comprising an aqueous solution of a mixture of certain percentages of monomeric acrylamide and monomeric N,N' methylenebisacrylamide and a polymerization catalyst and containing certain percentages of an unfired natural diatomaceous earth having a certain particle size is used in treating earthen formations around the joints of sewer pipes, whereby fluid loss from the composition into the earthen formation is substantially reduced.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: June 13, 1978
    Assignee: American Cyanamid Company
    Inventor: William J. Clarke
  • Patent number: 4064191
    Abstract: An organic solvent based composition comprising a blend of certain quantities of a partially or fully alkylated glycoluril blended with certain organic solvent dispersible non-gelled, non-self-crosslinking polymeric materials containing only certain reactive groups and catalyzed with small quantities of an acid catalyst which will cause the glycoluril derivative to crosslink with the polymeric material, when subjected to heat.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: December 20, 1977
    Assignee: American Cyanamid Company
    Inventor: Girish Girdhar Parekh
  • Patent number: 4057523
    Abstract: A stable, aged composition suitable for depositing a coating by electrophoresis comprising an aqueous dispersion of a mixture of from about 2% to about 60%, by weight, of (A) polymeric substantially water-insoluble, substantially fully etherified polymethylol melamines or guanamines and correspondingly from about 98% to about 40%, by weight, of (B) a water dispersible non-gelled polymeric material carrying an ionic charge which polymeric material contains at least one class of reactive groups, alcoholic hydroxy groups and amide groups wherein the amount of said groups is at least about 3%, by weight, and not more than about 30%, by weight, based on the total weight of said polymeric material wherein said groups are heat reactive with (A) wherein said percentages of (A) and (B), by weight, total 100% and are based on the total solids weight of (A) and (B).
    Type: Grant
    Filed: January 18, 1973
    Date of Patent: November 8, 1977
    Assignee: American Cyanamid Company
    Inventor: Werner Josef Blank
  • Patent number: 4026855
    Abstract: The disclosure relates to a composition of matter comprising a blend of an ungelled modified cross-linking agent, certain water-dispersible non-gelled polymeric materials carrying a cationic charge and an acid solubilizer in certain stated proportions. The disclosure also relates to the use of these compositions of matter in the process of electrodepositing films on an electrically conductive surface which comprises passing an electric current between a cathode comprising said surface and an electrically conductive anode immersed in an aqueous dispersion of said composition.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: May 31, 1977
    Assignee: American Cyanamid Company
    Inventors: Girish Girdhar Parekh, Werner Josef Blank
  • Patent number: 4005239
    Abstract: A decorative laminated panel and a process for making said panel comprising (1) coating the back most flat surface of a laminate with a uniform layer of a solution of an elastomeric adhesive and removing excess solvent, (2) coating one face of a compressible, flexible, closed; cell polypropylene plastic foam sheet with a solution of an elastomeric adhesive and removing solvent, (3) superimposing the decorative laminate over said polypropylene plastic foam sheet with the adhesively coated side of the laminate facing the adhesively coated side of the polypropylene foam, (4) applying pressure to the flat surface of the laminate and plastic foam so as to form a unitary panel. To bond said decorative laminated panel to a substrate one can apply an elastomeric adhesive to the back of the panel and to a rigid substrate and installing the panel by pressing against the rigid substrate to which the panel is to be attached.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: January 25, 1977
    Assignee: Formica Corporation
    Inventors: Walter Thomas Davis, Peter Bernard Kelly
  • Patent number: 3997512
    Abstract: A normally-solid, biodegradable, hydrolyzable polyester resin of diglycolic acid and an unhindered glycol having a molecular weight sufficiently high so as to provide a polymeric material possessing self-supporting film forming properties and the process of preparing the same and the use of the polymeric material as a device for the controlled continuous administration of a predetermined dosage of a drug to a living animal.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: December 14, 1976
    Assignee: American Cyanamid Company
    Inventors: Donald J. Casey, George C. Gleckler
  • Patent number: 3984382
    Abstract: A modified cationic vinyl polymer prepared by the copolymerization of a polymerizable styrene, maleic anhydride and an alkyl acrylate, which polymer is then reacted with certain amino alcohols and/or certain difunctional amines containing a tertiary nitrogen atom followed by reaction with certain monoepoxy compounds. The modified vinyl polymer finds utility in electrocoating applications, particularly for anodic-soluble metals, such as copper and copper alloys wherein the vinyl polymer, in amounts varying between about 40% and 95%, by weight, is combined with about 4.0% to about 50%, by weight, of a substantially fully etherified, substantially fully methylolated aminotriazine cross-linking agent and from about 1% to about 20%, by weight, of a neutralizing agent such as a mineral acid or an organic acid in an aqueous dispersion.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: October 5, 1976
    Assignee: American Cyanamid Company
    Inventors: Girish Girdhar Parekh, Werner Josef Blank
  • Patent number: 3980800
    Abstract: The N-(chloroalkoxymethyl)acrylamides provide a practical means for the manufacture of vinyl quaternary compounds and water-soluble acrylamide polymers which contain vinyl quaternary linkages. Such polymers possess valuable dry strengthening properties when used in the manufacture of paper.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: September 14, 1976
    Assignee: American Cyanamid Company
    Inventor: Daniel Elmer Nagy
  • Patent number: 3960688
    Abstract: A process for electrodepositing on an electroconductive metal by immersing said metal in an aqueous dispersion of a blend of certain aminoplast cross-linking agents and certain non-gelled polymeric materials catalyzed with certain aromatic sulfonic acid compounds in stated proportions and then subjecting the aqueous dispersion to electrophoresis in order to deposit the catalyzed mixture on the metal as an adherent film.
    Type: Grant
    Filed: October 4, 1974
    Date of Patent: June 1, 1976
    Assignee: American Cyanamid Company
    Inventor: Leonard Joseph Calbo, Jr.
  • Patent number: 3960983
    Abstract: The disclosure relates to a composition of matter comprising blends of certain polyether polyols with a class of compatible aminoplast cross-linking agents and the use of such compositions with or without diluents.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: June 1, 1976
    Assignee: American Cyanamid Company
    Inventor: Werner Josef Blank
  • Patent number: 3959202
    Abstract: A composition of matter comprising a blend of certain proportions of a non-ionic, water-dilutable polyether polyol resin, certain proportions of a vinyl emulsion polymer having certain functional reactive groups and certain proportions of a compatible aminoplast cross-linking agent.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: May 25, 1976
    Assignee: American Cyanamid Company
    Inventor: Werner Josef Blank
  • Patent number: 3957731
    Abstract: Urea-formaldehyde-butanol condensation products are storage-stable and substantially non-self-condensing at room temperature when they have a weight average molecular weight less than 1,000 and consist essentially of urea units carrying on the average 0.2 to 0.6 aldehyde reactive H atoms, 0.6 to 1.0 formaldehyde bridge, 1.2 to 1.8 C.sub.4 H.sub.9 OCH.sub.3 -- substituent and 0 to 0.2 --CH.sub.2 OH substituent per urea unit therein. They are made by reacting urea with 2.5 to 3 mols of CH.sub.2 O in aqueous alkaline solution, and then reacting the product with 1.2 to 1.8 mols of butanol in the presence of an acid etherification catalyst with simultaneous vacuum distillation of water.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: May 18, 1976
    Assignee: American Cyanamid Company
    Inventor: William Frederick Hart
  • Patent number: D253192
    Type: Grant
    Filed: August 30, 1971
    Date of Patent: October 16, 1979
    Assignee: Powers-Fiat
    Inventor: Michael Lax