Patents Examined by Kathleen Markowski
  • Patent number: 4801579
    Abstract: Novel cystine compounds of the general formula I are proposed wherein the independently of one another each represent a, preferably natural, L-amino acid, in particular glycine, alanine, proline, threonine, serine, valine, arginine, lysine or ornithine; the R.sub.1 independently of one another each stand for an acyl group of an organic acid with 2 to 5 carbon atoms, preferably for acetyl-, propionyl-, succinyl- or hydroxysuccinyl- or for a, preferably natural, L-amino acid which via its carboxylic group is linked amide-like to the amino group of the amino acid AS, the amino acids indicated as preferred for AS also being preferred for the amino acids of R.sub.1, or the two R.sub.1 together form the acyl group of an organic dicarboxylic acid, preferably the succinic or malic group; and the R.sub.2 independently of one another each are an alkoxy group with 1 to 4 carbon atoms, preferably methoxy or ethoxy, the hydroxy group, where in case of the meaning of R.sub.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: January 31, 1989
    Assignees: Bleiberger Bergwerks Union, Pfrimmer & Co. Pharmazeutische Werke Erlangen GmbH & Co. KG
    Inventors: Naderer Rainer, Buxbaum Lothar, Langer Klaus
  • Patent number: 4798679
    Abstract: Stable isotropic liquid detergent compositions containing a particular silicone suds controlling agent, a sudsing detergent surfactant and water. Such compositions can be prepared if a suitable dispersing agent is premixed with the suds controlling agent prior to incorporation in the liquid detergent composition.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: January 17, 1989
    Assignee: The Procter & Gamble Co.
    Inventors: Artemio Castro, Michael S. Showell
  • Patent number: 4797223
    Abstract: Detergent compositions include water soluble polymers which serve as builders, lime soap dispersants, and antiredeposition agents. The water soluble polymers, which fall into two structural classes, are especially useful in commerical heavy duty liquid detergent compositions, with which they are compatible in effective amounts. The water soluble polymers enhance several detergent properties such as antiredeposition and lime soap dispersants without a concomittant loss in other detergent composition characteristics. Further, the polymers are compatible with enzyme containing liquid detergents. In the first structural class surfactant radicals are distributed along the polymer chain, which also includes pendent carboxyl and/or carboxylate salt radicals. In the second structural class the polymers are terminated by a surfactant radical.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: January 10, 1989
    Assignee: Rohm and Haas Company
    Inventors: David R. Amick, Charles E. Jones, Kathleen A. Hughes
  • Patent number: 4792416
    Abstract: The substance of the present invention which contains an amine derivative such as alkanol amine, alkyl amine and alkylene amine and a surface-active agent is capable of converting waste cooking oil into useful liquid soap easily and quickly. The substance contains a minimum amount of or no strong alkali substances and is therefore quite safe for home use. Thus, waste cooking oil may be recycled for useful purposes and contamination of sewage with waste cooking oil can be prevented.
    Type: Grant
    Filed: June 2, 1987
    Date of Patent: December 20, 1988
    Assignee: Mimasu Oil Chemical Co., Ltd.
    Inventor: Kazuo Shimizu
  • Patent number: 4784799
    Abstract: A synergistic surfactant composition comprising an alkylbenzenesulfonate anionic surfactant and at least one organic zwitterionic functional silicone zwitterionic surfactant represented by the formula:Me.sub.3 SiO[SiMe.sub.2 O].sub.x [SiMeR.sup.1 O].sub.y SiMe.sub.3and wherein:R.sup.1 =CH.sub.2 CH.sub.2 CH.sub.2 N(R.sup.2).sub.2 (CH.sub.2).sub.z SO.sub.3.sup.-R.sup.2 =methyl or ethylx=0-3Y=1-2, andz=3-4.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: November 15, 1988
    Assignee: Dow Corning Corporation
    Inventor: Lenin J. Petroff
  • Patent number: 4784801
    Abstract: Aqueous hair treatment preparations containing as anionic surfactant an alkylether sulfonate corresponding to the following formulaR.sup.1 --O--(C.sub.n H.sub.2n O).sub.x --(CH.sub.2).sub.y --SO.sub.3 (-)M(+)in which R.sup.1 is a C.sub.8 -C.sub.18 alkyl group, n=2 or 3, x=0 to 20, y=1 to 3 and M(+) is an alkali metal ion. Alkylether sulfonates such as these show high foaming power, are easy to thicken and are stable to hydrolysis in acidic medium. They can be prepared by reaction of corresponding alkylether sulfates with sodium sulfite in aqueous solution and extraction from the reaction mixture with a saturated C.sub.4 -C.sub.6 alcohol.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: November 15, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Horst Hoeffkes, Fritz Lange, Karl Giede
  • Patent number: 4774014
    Abstract: A detergent supply pack for supplying a shaped detergent solid to a dishwashing apparatus comprising a container for the detergent solid and a shaped detergent solid cast-molded therein, said container simultaneously functioning as a mold for the cast-molded detergent, as a container for the detergent solid during storage and shipping, and as improved handling means for handling the detergent for storing and shipping and for introducing the detergent into the dishwashing apparatus.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: September 27, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Werner Kuenzel, Theodor Altenschoepfer, Peter Jeschke, Jochen Jacobs, Kerstin Ochs
  • Patent number: 4773939
    Abstract: The process of regenerating a soil-laden detergent solution comprising contacting said solution with a soil collector comprising a polyfunctional quaternary ammonium compound which is at least substantially insoluble in the solution and/or immobilized on a solid correspondingly insoluble in the solution.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: September 27, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Alfred Meffert, Andreas Syldatk, Brigitte Giesen, Ingo Wegener
  • Patent number: 4770714
    Abstract: Solvent mixtures of 2,2,2,-trifluoroethanol and halogenated hydrocarbons containing 1 to 3 carbon atoms or polyfluorinated aromatic hydrocarbons in a weight ratio of from 1:90 to 99:1, and optional additive alcohols and/or stabilizers, and uses of such mixtures in cleaning processes, vapor degreasing, removal of adsorbed water from the surfaces of solid objects, and as working fluids for a Rankine process or heat pump.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: September 13, 1988
    Assignee: Kali-Chemie Aktiengesellschaft
    Inventors: Hans Buchwald, Boreslaus Raschkowski, Dieter Singer
  • Patent number: 4767562
    Abstract: The invention relates to an aqueous, enzymatic liquid detergent with improved enzyme stability. By inclusion of a specific type of preservative of the isothiazolinone type, the rate of enzyme deactivation is significantly retarded.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: August 30, 1988
    Assignee: Lever Brothers Company
    Inventor: Alan J. Fry
  • Patent number: 4765844
    Abstract: The invention relates to solvent systems which are based on water-soluble amino derivatives and propylene glycol components, for removing photoresists. These solvent systems are comprised of(a) from about 10 to 100% by weight of at least one water-soluble amine of the general formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 denote H or alkyl groupsn,m denote 0 to 2, ando denotes 1 to 3; and(b) from about 0 to 90% by weight of at least one water-soluble propylene glycol derivative of the general formula ##STR2## in which R.sup.3, R.sup.4 denote H, alkyl or ##STR3## and P denotes 1 to 3.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: August 23, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Joachim Merrem, Axel Schmitt
  • Patent number: 4765922
    Abstract: A skin cleansing composition, in the form of a rod or stick, contains a fatty phase, a water phase and a consistency agent. The consistency agent is a mixture of at least one fatty acid having 12 to 22 carbon atoms and a lactate of the formula. ##STR1## wherein R represents an alkyl or alkenyl radical having 13 to 17 carbon atoms or a mixture consisting essentially of said alkyl and/or alkenyl radicals.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: August 23, 1988
    Assignee: L'Oreal
    Inventors: Jean-Claude Contamin, Roberte Latapie
  • Patent number: 4762636
    Abstract: A process for the preparation of floating granules ("speckles") by spray drying a solution that contains one or more active substances, a carrier material and a foaming agent, and subsequently compacting the dried material so obtained.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: August 9, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Paolo Balliello, Beat Bruttel, Hanspeter Will
  • Patent number: 4761249
    Abstract: Soil-collecting detergency enhancers for detergent solutions comprising a substantially water-insoluble polyfunctional quaternary ammonium compound or a water-soluble polyfunctional quaternary ammonium compound fixed to a water-insoluble solid carrier. The detergency enhancers may be used in the cleaning of soiled articles, particularly those soiled with pigments, in aqueous detergent solutions such as for washing fabrics.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: August 2, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karl Giede, Brigitte Giesen, Horst Hoeffkes, Alfred Meffert, Andreas Syldatk, Johann F. Fues
  • Patent number: 4751015
    Abstract: A bleach precursor compound, its peroxygen acid derivative, and detergent compositions containing these materials are disclosed herein. The bleach precursor structurally comprises a quaternized ammonium or phosphonium group linked to a carbonate moiety having a leaving group. Upon perhydrolysis in the presence of hydrogen peroxide and a basic aqueous media, there is generated a peroxycarbonic acid bleach.
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: June 14, 1988
    Assignee: Lever Brothers Company
    Inventors: Robert W. Humphreys, Stephen A. Madison
  • Patent number: 4750942
    Abstract: The use of a non-plate-shaped colloid, e.g. a silica in a rinse-aid composition for use after a dishwashing operation reduces the drying time and the formation of spots on the rinsed articles when dry.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: June 14, 1988
    Assignee: Lever Brothers Company
    Inventors: Jakob van Dijk, Hendrik S. Kielman, Leendert Los, Rudolf C. Verheul
  • Patent number: 4749511
    Abstract: Contact lens cleaning compositions and a method which comprises treating soft contact lenses with general purpose proteases in combination with endoproteinase lys-C are effective in dissolving away and hydrolyzing lysozyme, the major protein component of tears.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: June 7, 1988
    Assignee: Genencor, Inc.
    Inventors: Pushkaraj J. Lad, Leslie R. Woodhouse
  • Patent number: 4749412
    Abstract: A method and composition for inhibiting corrosion is disclosed. The method involves forming a coating of from about 1-10 mils thick on a surface, with a composition comprising an over-based alkaline organic sulfonate salt, a drying oil, a copper or rare earth metal drier, a zinc metal drier, an organic solvent, and petrolatum, and curing the coating. Optionally, the composition may include polyisobutylene. The method and composition are particularly useful for metal surfaces in a seawater environment.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: June 7, 1988
    Assignee: Drew Chemical Corporation
    Inventors: Stanley J. Ciuba, Michael J. Bartelme, III
  • Patent number: 4746454
    Abstract: A cleaning composition efficient for washing dishes and hands is disclosed. A preferred embodiment of the composition contains about 88.5% raw potato pulp, about 1.0% sodium bisulphite, about 0.5% sodium stearyl fumerate, about 5.0% 190 proof denatured alcohol, about 5.0% nonionic surfactant, and a trace of artificial food coloring and fragrance.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: May 24, 1988
    Inventor: Leon Iknadossian
  • Patent number: 4740326
    Abstract: The present invention relates to improved laundry cleaning products and methods comprising the use of a soil release polymer coated substrate and a laundry detergent composition contained by the coated substrate for improved soil release and cleaning performance.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: April 26, 1988
    Assignee: The Procter & Gamble Company
    Inventors: Thomas C. Hortel, Allen D. Clauss, Leonard Williamson