Patents Examined by Prince E. Willis
  • Patent number: 4938889
    Abstract: A granular, storable bleach mixture suitable for addition to a detergent composition or to a wash liquor comprising a mixture of (a) from 5 to 35% by weight sodium perborate, preferably as monohydrate, (b) from 5 to 30% by weight tetra-acetyl ethylene-diamine and (c) from 90 to 50% by weight of a carrier material. The latter comprises a salt optionally containing water of crystallization or urea or mixtures thereof with anhydrous sodium sulfate, wherein the salt containing water of crystallization should not undergo any phase transformation between 1.degree. C. and 45.degree. C. In addition, the mixture may contain up to 15% of detergent constituents, such as surfactant and sequestering agent. The average particle size of the individual component is from 0.1 to 0.6 mm, less than 1% by weight being larger than 1.6 mm in size.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: July 3, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Heinz-Manfred Wilsberg, Rolf Puchta, Jochen Jacobs
  • Patent number: 4938888
    Abstract: A cleaning article is formed from a detergent composition impregnated into a flexible substrate. The detergent composition includes an alkyl polyglycoside and a detergency builder, the weight ratio of the total amount of surfactant to total amount of builder is at least 1:1. Especially useful are the polycarboxylate polymeric builders. Polyoxyethylene/polyoxypropylene copolymer may be used as a surfactant in conjunction with the alkyl polyglycoside.
    Type: Grant
    Filed: January 5, 1989
    Date of Patent: July 3, 1990
    Assignee: Lever Brothers Company
    Inventors: Jesse J. Kiefer, Michael P. Aronson, William M. Karpusiewicz, Karl F. Moschner
  • Patent number: 4938893
    Abstract: A C.sub.1-4 alkyl-di C.sub.6-20 alkylamine oxide surfactant composition can be used in detersive systems. The amine oxide can be used in effective surfactant concentrations in aqueous alkaline solutions (pH about 7 or greater) producing an aqueous solution having halogen stability, reduced surface tension and low foaming properties. The surfactants have properties that are useful in detersive systems for hard surfaces, warewashing, laundry, clean-in-place, and other applications.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: July 3, 1990
    Assignee: Ecolab Inc.
    Inventors: James L. Copeland, Daniel J. Donovan
  • Patent number: 4937011
    Abstract: Alkaline dishwashing machine detergent compositions containing an active chlorine composition and a foam inhibiting amount of a ketone containing at least 25 carbon atoms. A process for their preparation wherein the ketone is introduced into the composition as a dispersion in a liquid.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: June 26, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karl-Heinz Schmid, Adolf Asbeck, Christoph Breucker, Bernhard Gutsche, Alfred Meffert, Horst Rutzen
  • Patent number: 4935159
    Abstract: Long-chain hydroxyalkyl ether amines corresponding to the general formulaR.sup.1 --CHOH--CH.sub.2 --(O--CH.sub.2 --CH.sub.2 --).sub.X NR.sup.2 R.sup.3are suitable as wetting agents for textile products of all kinds and are distinguished by particularly low-foaming behavior. In the formula, R.sup.1 is a linear C.sub.6 -C.sub.22 alkyl group, R.sup.2 and R.sup.3 independently of one another represent a linear or branched C.sub.1 -C.sub.6 alkyl radical, and x is a number of 3 to 20.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: June 19, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Gilbert Schenker, Andreas Syldatk, Robert Piorr
  • Patent number: 4933100
    Abstract: A built synthetic organic detergent composition, in particulate or patty form, results from extruding such a composition, containing water in sufficient quantity to form at least some hydrate from hydratable builder salt, and with enough free water present to plasticize the composition without resulting in separation of liquid and solid phases, and converting the extrudate to particles or lightly compressing it to pre-measured form-retaining patties or cakes.Also within the invention are processes for making such particulate and patty products, and methods of washing laundry with them.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: June 12, 1990
    Assignee: Colgate-Palmolive Co.
    Inventor: Pallassana N. Ramachandran
  • Patent number: 4933101
    Abstract: Disclosed are liquid automatic dishwashing detergent compositions containing an insoluble inorganic zinc salt useful for inhibition of glassware corrosion in the dishwasher. These compositions are particularly desirable because use of them in the dishwasher does not result in precipitation of insolubles on the dishware or dishwasher parts.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: June 12, 1990
    Assignee: The Procter & Gamble Company
    Inventors: William A. Cilley, Rodney M. Wise
  • Patent number: 4931203
    Abstract: A free flowing, stable, water-soluble, powdered automatic dishwashing detergent with superior solubility, handling and storage characteristics is provided. The compositions comprises an inorganic polyphosphate carrier onto which is absorbed a nonionic detergent. The "loaded" carrier is mixed with powdered silicate and the other usual adjuvants such as bleach, pigment, etc. High levels of detergent are possible without adversely affecting the aforementioned advantages and superior characteristics.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: June 5, 1990
    Assignee: Colgate-Palmolive Company
    Inventors: Fahim U. Ahmed, Charles E. Buck, Michael A. Camara, James F. Cush, Jr., James A. Kaeser
  • Patent number: 4931216
    Abstract: A detergent composition is disclosed, which comprises (A) 0.1 to 40% by weight of at least one kind of anionic or amphoteric surface active agents and (B) 0.05 to 4% by weight of at least one kind of quaternary ammonium salts represented by the following formula (I) or (II): ##STR1## wherein R.sub.1 represents a mixture of (a) a branched alkyl group represented by ##STR2## and (b) a linear alkyl group represented by CH.sub.3 --(CH.sub.2).sub.n -- wherein R.sub.7 represents a methyl or ethyl group, m is an integer to make the carbon atom content of the branched alkyl group to 8 to 16, and n is an integer of 7 to 15), with a ratio (a)/(a)+(b) being 0.1 to 1, R.sub.2 and R.sub.3 independently represent a benzyl group, an alkyl group having 1 to 3 carbon atoms, or a hydroxyalkyl group having 1 to 3 carbon atoms, R.sub.4 and R.sub.5 independently represent an alkyl group having 2 to 12 carbon atoms, R.sub.6 represents a group ##STR3## or an alkyl group having 1 to 3 carbon atoms, and X.sup.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: June 5, 1990
    Assignee: Kao Corporation
    Inventors: Sahoko Igarashi, Hidekazu Ogino, Hajime Hirota
  • Patent number: 4931215
    Abstract: Detergent compositions containing a combination of certain amphoteric compounds and zeolites. The amphoteric compounds function as co-builders and the combination gives a very good sequestering ability and thus a low ash content which means good detergency.
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: June 5, 1990
    Assignee: Berol Nobel AB
    Inventor: Jadwiga Palicka
  • Patent number: 4931217
    Abstract: Machine dishwashing compositions comprising quaternary ammonium salts of formula: ##STR1## wherein from one to three members of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent alkyl chains which may be the same or different, at least one of said alkyl groups representing a C.sub.8 -C.sub.26 group, those members of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 which do not represent alkyl groups representing ethoxy groups, the total ethoxylation value within the molecule being at least 5 and X.sup.- representing an anion, enable washing to be carried out efficiently at lower temperatures. Fat removal is enhanced.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: June 5, 1990
    Assignee: Lever Brothers Company
    Inventor: Hidde Frankena
  • Patent number: 4929377
    Abstract: An aqueous, liquid bleaching composition is described having a pH of from 2 to 6 and comprising a solid, particulate, substantially water-insoluble, organic peroxy acid such as diperoxy dodecane dioic acid. This peroxy acid is stably suspended in an aqueous liquid by a structuring combination of a secondary C.sub.10 -C.sub.20 alkane sulphonate, an ethoxylated fatty alcohol and sodium sulphate.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: May 29, 1990
    Assignee: Lever Brothers Company
    Inventors: Stuart A. Emmons, Perry Hale
  • Patent number: 4929379
    Abstract: The invention pertains to a particulate detergent composition comprising a detergent active system consisting of a fatty acid soap component having a Krafft temperature of below 30.degree. C. and an alkoxylated alcohol nonionic component having an HLB value of between 12 and 16, an alkaline buffering agent and a builder. The composition provides a particulate product, which is easily water-dissolvable without any significant agitation to form stable concentrated alkaline stock-solutions.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: May 29, 1990
    Assignee: Lever Brothers Company
    Inventors: Willem Oldenburg, Simon N. Hemmes, Jaap E. Hobbel
  • Patent number: 4929277
    Abstract: A recording liquid comprising an organic solvent and at least one compound represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a carboxylic acid ester group or a carbamoyl group; R.sub.2 represents a hydrogen atom, an alkyl group or an aryl group; and R.sub.3 represents an aryl group provided that none of R.sub.1, R.sub.2 and R.sub.3 is substituted with a sulfonic acid group. The yellow recording liquid has good color and excellent light resistance with good solubility.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: May 29, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Mitsugu Tanaka, Takeo Sakai
  • Patent number: 4929380
    Abstract: The invention provides a substantially anhydrous gas-free liquid detergent based on non-ionic surfactants containing a liquid surfactant component comprising adducts of from 2 to 8 moles ethylene oxide with 1 mole C.sub.10-20 - fatty alcohol, anionic surfactant, and low molecular weight polyethylene glycol. The liquid surfactant component makes up at least 20% by weight of the detergent as a whole; the ratio of fatty alcohol ethoxylate to anionic surfactant is from 1:1 to 2:1; and the detergent has a density of from 1.4 to 1.8. Typically, the detergent includes a particulate solids component which is incorporated with the liquid components as separate component fractions of differing particle size.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: May 29, 1990
    Assignee: Henkel Kommanditgesellschaft aug Aktien
    Inventors: Paul Schulz, Karl Schwadtke, Eduard Smulders
  • Patent number: 4925585
    Abstract: The present invention relates to an energy saving process for preparing condensed detergent granules. Dry detergent builders and a high active surfactant paste are finely dispersed into a uniform dough. The dough is chilled and granulated using fine dispersion mixing to surprisingly provide discrete, uniform (300-1200 micron) free flowing, granular particles. The granules of the present invention are preferably formulated to be fully formulated.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: May 15, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Daniel L. Strauss, Thomas H. Taylor, Charles L. Stearns, Thomas E. Lobaugh
  • Patent number: 4925587
    Abstract: Hydroxyalkyl polyethylene glycol and hydroxyalkyl polypropylene glycol ethers of the formula ##STR1## in which R.sup.1 is a linear C.sub.6 -C.sub.16 alkyl radical, R.sup.2 is a linear or branched, C.sub.1 -C.sub.22 alkyl or alkenyl radical, R.sup.3 is hydrogen or a methyl group, and n is a number of from 0 to 30, and to mixtures of several such compounds. Also, a process for the preparation of these hydroxy ethers, wherein epoxides are reacted with alcohol alkoxylates at an elevated temperature in the presence of a catalyst and in an inert gas atmosphere. The compounds or their mixtures are used as foam inhibiting additives in low-foam cleaning preparations.
    Type: Grant
    Filed: July 14, 1988
    Date of Patent: May 15, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Gilbert Schenker, Robert Piorr, Sabine Luettge
  • Patent number: 4925494
    Abstract: The invention features an additive for a mastic coating comprising a cut-back asphaltic base material used in roof and construction applications. The additive comprising sodium bicarbonate in a range by weight of 1 part per 2-8 parts of the cut-back, asphaltic-type base material, has the dual purpose of accelerating the curing time and improving flame retardancy of the mastic coating.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: May 15, 1990
    Inventor: John P. Hageman
  • Patent number: 4923627
    Abstract: A process for making hard, translucent, high moisture soap bars at 18-27% moisture. These soap bars are produced by varying the conditions of vacuum drying such that the crystalline structure of the soap remains small thereby producing better translucency of the soap pellets. These soap pellets that when compounded through conventional soap finishing equipment produce hard, machinable, high moisture, translucent soap bars.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: May 8, 1990
    Assignee: Colgate-Palmolive Company
    Inventor: David P. Joshi
  • Patent number: 4921627
    Abstract: A C.sub.1-4 alkyl-di C.sub.6-20 alkylamine oxide surfactant composition can be used in detersive systems. The amine oxide can be used in effective surfactant concentrations in aqueous alkaline solutions (pH about 7 or greater) producing an aqueous solution having halogen stability, reduced surface tension and low foaming properties. The surfactants have properties that are useful in detersive systems for hard surfaces, warewashing, laundry, clean-in-place, and other applications.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: May 1, 1990
    Assignee: Ecolab Inc.
    Inventors: James L. Copeland, Daniel J. Donovan