Carbonyl Of A Carboxylic Acid Or Ester Group Directly Attached To An Aryl Group, E.g., Dipropylene Glycol Dibenzoate, Etc. Patents (Class 524/292)
  • Patent number: 4444933
    Abstract: A cyanoacrylate-based adhesive composition comprises 55-92% by weight of a 2-cyanoacrylate ester, preferably the ethyl ester, from 40-30% by weight of a vinyl chloride/vinyl acetate copolymer and not more than 25% by weight of a plasticizer (the plasticizer may be omitted entirely). The copolymer is preferably a vinyl chloride/vinyl acetate/maleic acid terpolymer. The adhesive compositions have greatly reduced adhesion to skin, not forming strong skin bonds for at least 30 seconds, in contrast to conventional cyanoacrylate adhesive compositions which form, within in about one second bonds strong enough to tear skin.
    Type: Grant
    Filed: December 2, 1982
    Date of Patent: April 24, 1984
    Assignee: Borden, Inc.
    Inventors: Peter S. Columbus, John Anderson
  • Patent number: 4440889
    Abstract: Polyethylene terephthalate molding compositions are provided which comprise a polyethylene terephthalate having an inherent viscosity of at least 0.4, a plasticizer, a lubricating polymer, a nucleating agent, a reinforcing agent or mixture of reinforcing agent and filler, and a molecular weight reducing agent for the polyethylene terephthalate. The molding compositions can be injection molded utilizing mold temperatures below 100.degree. C. (e.g., 60.degree.-90.degree. C.). The molded compositions exhibit an excellent balance of properties such as tensile strength, flex modulus, heat distortion temperature and impact strength.
    Type: Grant
    Filed: June 23, 1982
    Date of Patent: April 3, 1984
    Assignee: The Firestone Tire & Rubber Company
    Inventors: William L. Hergenrother, John M. Doshak
  • Patent number: 4435534
    Abstract: The present invention relates to a novel coating composition which contains a coalescent. The coating composition comprises a latex of a normally solid organic addition polymer and a coalescing amount of an ether-ester solvent having the formula ##STR1## where R represents hydrogen or an alkyl group of 1 to 4 carbon atoms, R' represents a C.sub.1 -C.sub.4 alkyl group, and n is 1 or 2. Preferred coalescents include 2-ethoxyethyl p-toluate, 2-ethoxyethyl benzoate, 2-(2-ethoxyethoxy)ethyl p-toluate, 2-(2-ethoxyethoxy)-ethyl benzoate, 2-propoxyethyl o-toluate, 2-propoxyethyl benzoate, 2-ethoxyethyl o-toluate, and mixtures thereof. In preferred embodiments, the organic addition polymer comprises an acrylic homopolymer or copolymer. The coating composition preferably comprises about 5-50 parts by weight of the ether-ester solvent per 100 parts of the organic addition polymer.
    Type: Grant
    Filed: July 2, 1982
    Date of Patent: March 6, 1984
    Assignee: Eastman Kodak Company
    Inventors: Glenn C. Jones, Larry J. Culver
  • Patent number: 4418172
    Abstract: A polyester composition comprises polyethylene terephthalate and 0.1 to 15 wt. %, based on the polyethylene terephthalate, of 2-methyl-1,3-propylene glycol dibenzoate. It may further contain up to 40 wt. % of filler and up to 60 wt. % of a reinforcing fiber.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: November 29, 1983
    Assignees: Daicel Chemical Industries, Ltd., Polyplastics Co., Ltd.
    Inventors: Takuzo Kasuga, Yuzo Toga, Ichiro Okamoto, Katsuhiko Takahashi
  • Patent number: 4391950
    Abstract: An improved polyphenylene ether composition and process for production are disclosed. Benzoic anhydride is reacted with polyphenylene ether polymer, preferably under conditions of extrusion, to produce a composition having improved color and/or color stability.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: July 5, 1983
    Assignee: General Electric Company
    Inventor: Glenn D. Cooper
  • Patent number: 4390649
    Abstract: A molding composition of a terephthalate polyester such as PET, a plasticizing material and a crystal nucleating agent. The nucleating agent is a powdered metal hydroxide such as aluminum hydroxide, which raises the T.sub.cc of the composition and permits reduced cycling time and enables higher molecular weight polymer to be used in the molding process.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: June 28, 1983
    Assignee: Allied Corporation
    Inventor: Shaul M. Aharoni
  • Patent number: 4381360
    Abstract: 1,3-Dicarbonyl compounds are provided having the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined in the description as well as metal and organotin enolate salts thereof.The compounds are effective in enhancing the resistance to deterioration by heat and light of polyvinyl halide resins.
    Type: Grant
    Filed: January 14, 1981
    Date of Patent: April 26, 1983
    Assignee: Phoenix Chemical Corporation
    Inventors: William E. Leistner, Motonobu Minagawa, Kouji Tsuruga, Masashi Harada
  • Patent number: 4377650
    Abstract: Pigment is finely dispersed in hydrolyzed ethylene-vinyl acetate copolymer by subjecting the copolymer to which pigment has previously been added by simple, non-intensive mixing to solution hydrolysis and/or by adding pigment to the solution hydrolysis medium prior to or during hydrolysis of the copolymer therein.
    Type: Grant
    Filed: October 31, 1980
    Date of Patent: March 22, 1983
    Assignee: National Distillers & Chemical Corp.
    Inventor: Joseph Fischer
  • Patent number: 4366273
    Abstract: This invention relates to a composition comprising a linear, saturated polyester, such as poly(ethylene terephthalate), containing between about 4% and about 10% by weight of the poly(ethylene terephthalate) of a hydrocarbon carboxylic acid and/or an organic polymer containing pendant acid carboxyl groups, where the acid groups are neutralized by a first cation selected from Group IA of the Periodic Table of Elements and a second cation selected from Groups IIIA, IIIB and IVB. The first cation is present in an amount less than 50% of the total metal ions and neutralizes not more than 20% of the hydrocarbon acid groups or carboxylic acid groups of the organic polymer. The second cation neutralizes up to 100% of the remaining hydrocarbon acid or carboxyl acid groups. Preferably, the first cation is sodium and the second cation is aluminum. The composition can contain up to about 150% filler and a suitable plasticizer.
    Type: Grant
    Filed: May 11, 1981
    Date of Patent: December 28, 1982
    Assignee: Allied Corporation
    Inventor: Shaul M. Aharoni
  • Patent number: 4352904
    Abstract: Polyethylene terephthalate resin compositions containing filler or reinforcing agent, a selected sodium or potassium salt of a hydrocarbon acid or a salt of a selected organic polymer containing pendant carboxyl groups, and a selected low molecular weight organic ester, ketone, sulfone, sulfoxide, nitrile or amide. Articles molded from the compositions have high gloss when molded at temperatures below 110.degree. C.
    Type: Grant
    Filed: January 5, 1979
    Date of Patent: October 5, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Edward J. Deyrup
  • Patent number: 4351757
    Abstract: Use of a selected alkali metal salt of a polycarboxylic acid has been found to impart good crystallization and mold release properties to polyethylene terephthalate molding blends.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: September 28, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Guenther K. Hoeschele
  • Patent number: 4349640
    Abstract: Elastomeric polyurethanes, e.g. as prepared by reacting diisocyanate-capped, essentially linear polyester or polyether and polyol suitable for cross-linking thereof, are inhibited against undesired hardening in use or storage by including in the polyurethane-forming reactant mixture a plasticizing composition composed of carboxylate having a 200-1,000 molecular weight and at least two monocyclic aryl radicals per molecule and, based on the weight of said carboxylate, 0.1-5% glycol having a 62-500 molecular weight.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: September 14, 1982
    Assignee: Monsanto Company
    Inventors: C. Neil Keeney, Paul W. May, Jr., Albert W. Morgan
  • Patent number: 4340526
    Abstract: Polyesters comprising residues of terephthalic acid, 1,4-butanediol and 1,6-hexanediol or polyesters comprising residues of cyclohexanedicarboxylic acid, dimer acid and 1,4-cyclohexanedimethanol used as hot melt adhesives are found to have good adhesion, low melt viscosity and good viscosity stability when blended with certain monomeric ester plasticizers.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: July 20, 1982
    Assignee: Eastman Kodak Company
    Inventors: Frederick D. Petke, Richard L. McConnell
  • Patent number: 4338243
    Abstract: Use of a selected antimonate has been found to increase flame-retardancy without lowering thermal resistivity of a polyurethane terephthalate molding blend which contains an ionic hydrocarbon copolymer or ionic salt of a hydrocarbon acid and a low molecular weight compound.
    Type: Grant
    Filed: May 7, 1980
    Date of Patent: July 6, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James L. Hecht, Paul C. Yates
  • Patent number: 4336343
    Abstract: A polyester based composition comprising sodium citrate as a nucleating agent.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: June 22, 1982
    Assignee: Morris Township, Morris County
    Inventor: Shaul M. Aharoni