Patents Represented by Attorney Charles L. Harness

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  • Prill tower rake
    Patent number: 4231227
    Abstract: Apparatus and method for cooling and collecting prills at the bottom of a prill tower including a fluidized prill bed and a rake rotatable therethrough.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: November 4, 1980
    Assignee: W. R. Grace & Co.
    Inventors: Robert M. Stewart, Robert W. Schwartz
  • Controlled foam detergent additive
    Patent number: 4230592
    Abstract: Liquid additive for caustic soda cleaning solutions. Provides surfactants, foam control, and scale control; and good wetting and emulsifying properties for improved cleaning and ease of rinsing.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: October 28, 1980
    Assignee: Chemed Corporation
    Inventors: Jack Miller, Thomas C. Tesdahl
  • S-triazines as sugarcane ripeners
    Patent number: 4229206
    Abstract: Sucrose yield of sugarcane is increased by treating the cane crop a few weeks prior to harvest with a ripening agent comprising an s-triazine.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: October 21, 1980
    Assignee: W. R. Grace & Co.
    Inventor: Sidney R. Siemer
  • Phosphorus compounds as sugarcane ripeners
    Patent number: 4229203
    Abstract: Sucrose yield of sugarcane is increased by treating the cane crop a few weeks prior to harvest with a ripening agent comprising a certain specific phosphorus compound.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: October 21, 1980
    Assignee: W. R. Grace & Co.
    Inventor: Sidney R. Siemer
  • Foam cleaner for food plants
    Patent number: 4228048
    Abstract: Liquid cleaning and bleaching concentrate which generates copious foam on dilution with water in a mechanical foam generator. Contains modified polyacrylic acid salt, sodium tripolyphosphate, sodium hydroxide, sodium silicate, sodium hypochlorite sodium alkane sulfonate, and (optionally) sodium polyacrylate.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: October 14, 1980
    Assignee: Chemed Corporation
    Inventor: Thomas C. Tesdahl
  • Cleaning composition containing mineral spirits alkanolamide, and oleyl dimethylamine oxide
    Patent number: 4225471
    Abstract: A novel hydrocarbon containing cleaning composition is used in conjunction with conventional laundry detergents to remove dirt and/or oily deposits from fabrics not ordinarily removable by conventional laundry processes.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: September 30, 1980
    Assignee: Chemed Corporation
    Inventors: Robert T. Claus, William H. Frisz
  • Settling clarifier
    Patent number: 4222879
    Abstract: Settling clarifier for liquids carrying suspended solids, having a two-slope bottom section, with central stilling well for feed, rake system, clear overflow exit means, and sludge underflow means.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: September 16, 1980
    Assignee: W. R. Grace & Co.
    Inventor: Richard N. Hill
  • Slurried laundry detergent
    Patent number: 4215004
    Abstract: Heavy duty built laundry washing product in slurry form containing alkali metal hydroxide, detergents, sodium polyacrylate, a modified polyacrylic acid salt, and water insoluble aluminosilicate ion exchange material and/or complex phosphates; also optionally optical brightener, coloring agent, carboxymethyl cellulose and salts thereof, and perfume.
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: July 29, 1980
    Assignee: Chemed Corporation
    Inventors: James F. Borgerding, Robert T. Claus
  • Detoxification of residual quaternaries
    Patent number: 4204954
    Abstract: Detoxification of residues of quaternary ammonium salt biocides in water, using neutralizing amounts of anionic monomers.
    Type: Grant
    Filed: June 8, 1979
    Date of Patent: May 27, 1980
    Assignee: Chemed Corporation
    Inventor: Jose T. Jacob
  • Anti-corrosion composition
    Patent number: 4202796
    Abstract: Composition for prevention of ferrous corrosion consisting essentially of (a) sorbitol, (b) benzotriazole or tolyltriazole, and (c) a water-soluble phosphate.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: May 13, 1980
    Assignee: Chemed Corporation
    Inventors: Jose T. Jacob, Vincent R. Kuhn
  • Air etching of polymeric printing plates
    Patent number: 4197126
    Abstract: This invention is directed to a method for developing printing plates by stripping away uncured material using a carefully controlled gas stream. An optional supplemental blotting system is provided.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: April 8, 1980
    Assignee: W. R. Grace & Co.
    Inventors: Forrest A. Wessells, John E. Pickard
  • Fireside treating compositions
    Patent number: 4190421
    Abstract: This invention constitutes improvement in the art of introducing fuel additives into the fireside of coal fired boiler tubes to facilitate the removal of slag and like deposits from the fireside, to lower acid smut pollution, to control corrosion, and to improve the electrical resistivity of particulate emission. The improvement is achieved by the addition of pulverized coal to the fuel additives.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: February 26, 1980
    Assignee: Chemed Corporation
    Inventor: Chih M. Hwa
  • Production of stabilized wet process phosphoric acid
    Patent number: 4164550
    Abstract: Treatment of wet process phosphoric acid to inhibit post-precipitation by steps including addition of an aluminum silicate material such as perlite or the like to dilute acid from which a major portion of solids has been removed, concentration of the resulting dilute acid, and removal of resulting precipitate.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: August 14, 1979
    Assignee: W. R. Grace & Co.
    Inventor: Richard N. Hill
  • Prill tower rake
    Patent number: 4160631
    Abstract: Apparatus and method for cooling and collecting prills at the bottom of a prill tower including a fluidized prill bed and a rake rotatable therethrough.
    Type: Grant
    Filed: September 13, 1977
    Date of Patent: July 10, 1979
    Assignee: W. R. Grace & Co.
    Inventors: Robert M. Stewart, Robert W. Schwartz
  • Detergent-germicide compositions
    Patent number: 4157977
    Abstract: The invention disclosed is directed to liquid detergent-germicide compositions which include an antimicrobial active phenolic derivative in combination with hydroxyacetic acid and a detergent. The present compositions are found to have significant antimicrobial activity in water, even with low concentrations of the phenolic derivative, a low skin irritation factor, and good color stability without any substantial degree of darkening under conditions of light and heat which typically convert phenolic containing disinfectants to a dark color.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: June 12, 1979
    Assignee: Chemed Corporation
    Inventors: Norman E. Dewar, Said I. Razig
  • Continuous mixer for preparing emulsions
    Patent number: 4155657
    Abstract: A continuous mixing device for preparing emulsions comprising a chamber with a means of providing high shear mixing, e.g., a plurality of mixing blades on a shaft in the axis of the chamber, and with a plurality of entrance nozzles, e.g., at the bottom of the chamber and one or more in the sides thereof, for sequential addition of liquids at a controlled rate.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: May 22, 1979
    Assignee: Chemed Corporation
    Inventors: Gordon H. King, Michel T. Zalzal
  • Process for making magnesium potassium ammonium phosphate
    Patent number: 4153441
    Abstract: Process for making magnesium potassium ammonium phosphate, using ammonia, urea, potassium hydroxide, magnesium hydroxide, and phosphoric acid with specified maxima of iron, alumina, and sulfate.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: May 8, 1979
    Assignee: W. R. Grace & Co.
    Inventors: William L. Guithues, Casimer C. Legal, Jr.
  • Slurried detergent and method
    Patent number: 4147650
    Abstract: The invention disclosed provides a new improved slurry detergent and to a method of using same. The slurry detergent may be formulated with alkali metal hydroxides and/or silicates, condensed phosphates, sodium hypochlorite and sodium polyacrylate, or the like. The new improved slurry is found to have significant advantages over both liquid detergents and powder detergents in dispensing as well as in use.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: April 3, 1979
    Assignee: Chemed Corporation
    Inventors: Philip M. Sabatelli, Denny E. Daugherty
  • Air etching of polymeric printing plates
    Patent number: 4145790
    Abstract: Apparatus for developing a relief letterpress plate carrying a liquid polymer, comprising an air knife positioned to move over a stationary platen carrying the plate and blowing the polymer from the plate into a sink. Alternately the air knife is stationary and the platen is positioned to move under it.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: March 27, 1979
    Assignee: W. R. Grace & Co.
    Inventors: Forrest A. Wessells, John E. Pickard
  • Azole-phosphate corrosion inhibiting composition and method
    Patent number: 4134959
    Abstract: The invention disclosed provides a new composition and method for inhibiting corrosion. The present composition is relatively non-toxic, contains no chromates and zinc, and consists essentially of an azole and a water-soluble phosphate in an effective combination. Effective amounts of the corrosion inhibiting composition are used to provide corrosion protection in both ferrous and non-ferrous metals.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: January 16, 1979
    Assignee: Chemed Corporation
    Inventors: Russell O. Menke, Jose T. Jacob, Chih M. Hwa