Patents Represented by Attorney Douglas N. Deline

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  • Formation of azetidines by decarboxylation of tetrahydro-1,3-oxazin-2-ones
    Patent number: 4529544
    Abstract: Azetidines are prepared by decarboxylating a tetrahydro-1,3-oxazin-2-one.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: July 16, 1985
    Assignee: The Dow Chemical Company
    Inventor: James M. Renga
  • Preparations of alkanolamines
    Patent number: 4521626
    Abstract: 5-Methyl-2-oxazolidinone and 5-methyl-3-(2-hydroxypropyl)-2-oxazolidinone are prepared by contacting urea and propylene carbonate in the presence of an initiator at a temperature from about 120.degree. C. to about 200.degree. C.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: June 4, 1985
    Assignee: The Dow Chemical Company
    Inventor: Larry D. Kershner
  • Cyclic peptides
    Patent number: 4517122
    Abstract: Cyclic peptides, such as 1,4,8,11-tetraazacyclotetradecane-5,12-dione, that are useful chelation agents for metals are prepared by contacting an acrylic acid ester and a 1,2-alkylenediamine.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: May 14, 1985
    Assignee: The Dow Chemical Company
    Inventors: Donald A. Tomalia, Larry R. Wilson
  • Preparation of aromatic derivatives
    Patent number: 4507492
    Abstract: Allyl derivatives of phenols, thiophenols and arylamines are prepared by contacting such aromatic reactant with an allyl lower alkyl carbonate in the presence of a molybdenum, tungsten or Group VIII metal.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: March 26, 1985
    Assignee: The Dow Chemical Company
    Inventor: Edmund P. Woo
  • Preparation of 2-haloethylamides
    Patent number: 4505859
    Abstract: 2-Haloethylamides are prepared by reaction of 2-oxazolidinone or C.sub.1-6 alkyl or phenyl derivatives thereof with an acid halide.
    Type: Grant
    Filed: October 9, 1981
    Date of Patent: March 19, 1985
    Assignee: The Dow Chemical Company
    Inventor: Graham S. Poindexter
  • Bicyclic amide ketal derivatives
    Patent number: 4501679
    Abstract: Bicyclic amide ketals such as 1-aza-4,6-dioxabicyclo[3.3.0]octanes have utility as water or acid scavengers for addition to functional fluids.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: February 26, 1985
    Assignee: The Dow Chemical Company
    Inventors: Robert L. Reierson, Hugh F. Hussey, Edmund P. Woo
  • Process for preparation of (halo)(hydroxy)-substituted phosphites and phosphorates
    Patent number: 4496494
    Abstract: Novel (halo)(hydroxy)-substituted phosphorus-containing acid derivatives are disclosed. Preferred compounds are 2-halo-3-hydroxypropyl ester derivatives of phosphorous and phosphoric acid formed by reaction of at least some amount of tertiary butyl glycidyl ether with a halogenated derivative of a phosphorus-containing acid followed by acid dealkylation of the product. The polyol products are useful in the production of polyurethane articles such as foams having increased resistance to the effects of fire.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: January 29, 1985
    Assignee: The Dow Chemical Company
    Inventors: Chester E. Pawloski, Sally P. Ginter
  • Synthesis of succinonitriles
    Patent number: 4493799
    Abstract: The process of hydrocyanating an .alpha.-cyanoacrylate ester with an alkali metal cyanide is improved by combining the reactants in an equivalent ratio of alkali metal cyanide to .alpha.-cyanoacrylate ester of from about 1:1 to about 1.1:1.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: January 15, 1985
    Assignee: The Dow Chemical Company
    Inventor: Edmund P. Woo
  • Electrocatalytic oxidation of (poly)alkylene glycols
    Patent number: 4488944
    Abstract: Dicarboxylic acids are prepared by oxidation of (poly)alkylene glycols with electrochemically generated nickel-oxide hydroxide.
    Type: Grant
    Filed: October 19, 1983
    Date of Patent: December 18, 1984
    Assignee: The Dow Chemical Company
    Inventors: Kenneth J. Stutts, Karel A. J. Snoble
  • Sequestering agent
    Patent number: 4486339
    Abstract: A sequestering agent useful in chelation of calcium and/or magnesium ions in aqueous solution comprises by weight from about 2 percent to about 20 percent iminodiacetic acid or a water-soluble salt thereof and from about 98 percent to about 80 percent of nitrilotriacetic acid or a water-soluble salt thereof.
    Type: Grant
    Filed: August 4, 1982
    Date of Patent: December 4, 1984
    Assignee: The Dow Chemical Company
    Inventor: Richard G. Young
  • Oxidation of biphenols
    Patent number: 4482754
    Abstract: Substituted phenols are converted in high yields to substituted 4,4'-biphenols by reaction with a substituted 4,4'-diphenoquinone. The substituted 4,4'-diphenoquinone reactant is regenerated by oxidation of a portion of the substituted 4,4'-biphenol product.
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: November 13, 1984
    Assignee: The Dow Chemical Company
    Inventor: Robert M. Strom
  • Preparation of high purity berlinite
    Patent number: 4478805
    Abstract: High purity berlinite is prepared by formation of an organoaluminum phosphate hydrogel in an organic solvent and subsequently hydrolyzing the hydrogel by reaction with water at pH less than or equal to 3.0. The berlinite is useful as a replacement for silicon-based quartz in electronic applications and in piezoelectric devices.
    Type: Grant
    Filed: September 22, 1983
    Date of Patent: October 23, 1984
    Assignee: The Dow Chemical Company
    Inventors: Horst G. Langer, Jere D. Fellmann
  • Preparation of aromatic aldehydes
    Patent number: 4471140
    Abstract: Aromatic aldehydes are formed by the liquid phase reaction of molecular oxygen with methyl-substituted aromatic compounds in the presence of base, a cobalt, manganese, chromium or nickel salt catalyst and an easily removable amine.
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: September 11, 1984
    Assignee: The Dow Chemical Company
    Inventor: Andrew T. Au
  • Preparation of 5-methyl-2-oxazolidinones
    Patent number: 4465837
    Abstract: 5-Methyl-2-oxazolidinone and 5-methyl-3-(2-hydroxypropyl)-2-oxazolidinone are prepared by contacting urea and propylene carbonate in the presence of an initiator at a temperature from about 120.degree. C. to about 200.degree. C.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: August 14, 1984
    Assignee: The Dow Chemical Company
    Inventor: Larry D. Kershner
  • Preparation of nickel-oxide hydroxide electrode
    Patent number: 4462875
    Abstract: A nickel-oxide hydroxide electrode is prepared by galvanostatic cycling of a nickel metal in contact with a basic electrolyte under electrochemical conditions.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: July 31, 1984
    Assignee: The Dow Chemical Company
    Inventor: Kenneth J. Stutts
  • Catalyst for epoxide polymerization
    Patent number: 4460703
    Abstract: A novel composition of matter for catalyzing the polymerization of vicinal epoxides is formed by the reaction of a trialkylaluminum compound, phenothiazine, water, acetylacetone and a Lewis base selected from tetrahydrofuran and 1,4-dioxane.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: July 17, 1984
    Assignee: The Dow Chemical Company
    Inventor: Donna B. Carville
  • Preparation of unsaturated heterocyclic carbonyl-containing compounds
    Patent number: 4459411
    Abstract: Unsaturated heterocyclic carbonyl-containing compounds, e.g., 2H-imidazol-2-ones, 2(3H)-oxazolones and 2H,3H-pyrrol-2-ones, are prepared by the anodic oxidation of saturated heterocyclic carbonyl-containing precursors of the above compounds in a C.sub.1-4 alcohol or carboxylic acid solvent in the presence of a supporting electrolyte followed by dehydrosubstitution of the alkoxy- or acyloxy-substituted intermediate.The products formed may be polymerized or copolymerized with other ethylenically unsaturated monomers to prepared resins, films, etc. or they may be employed as intermediates for the preparation of various biologically active compounds.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: July 10, 1984
    Assignee: The Dow Chemical Company
    Inventor: Pen C. Wang
  • Preparation of aromatic aldehydes
    Patent number: 4453016
    Abstract: Aromatic aldehydes are formed by the liquid phase reaction of molecular oxygen with methyl-substituted aromatic compounds in the presence of base, a cobalt, manganese, chromium or nickel salt catalyst and activated charcoal.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: June 5, 1984
    Assignee: The Dow Chemical Company
    Inventors: Andrew T. Au, Chu W. Jung
  • Sulfonium organosulfonates
    Patent number: 4451409
    Abstract: Monomeric and polymeric triarylsulfonium complex salts which may be prepared by contacting diarylsulfoxides or polymeric arylsulfoxides with aromatic compounds in the presence of an organosulfonic acid are described. An example is tris-(4-phenoxyphenyl)sulfonium methane sulfonate prepared by reaction of bis-(4-phenoxyphenyl)sulfoxide, diphenyl ether and methane sulfonic acid. The compounds demonstrate useful corrosion inhibiting properties.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: May 29, 1984
    Assignee: The Dow Chemical Company
    Inventors: Gary R. Buske, Richard G. Pews
  • Process of preparing sulfonium organosulfonates
    Patent number: 4451408
    Abstract: Monomeric and polymeric triarylsulfonium complex salts which may be prepared by contacting diarylsulfoxides or polymeric arylsulfoxides with aromatic compounds in the presence of an organosulfonic acid are described. An example is tris-(4-phenoxyphenyl)sulfonium methane sulfonate prepared by reaction of bis-(4-phenoxyphenyl)sulfoxide, diphenyl ether and methane sulfonic acid. The compounds demonstrate useful corrosion inhibiting properties.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: May 29, 1984
    Assignee: The Dow Chemical Company
    Inventors: Gary R. Buske, Richard G. Pews