Patents Examined by Paul Lieberman
  • Flux removing compositions
    Patent number: 5755893
    Abstract: An aqueous flux removing composition is provided comprising alkali metal carbonate salts, an alkali metal silicate corrosion inhibitor and a surfactant formulation which comprises an N-alkylpyrrolidone. The N-alkylpyrrolidone is added in amounts sufficient to permit significantly faster cleaning speeds.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: May 26, 1998
    Assignee: Church & Dwight & Co., Inc.
    Inventors: Francis R. Cala, Richard A. Reynolds
  • Composition for oxidation dyeing of keratinous fibres comprising an oxidation base, a coupler, and 4-hydroxyindole as coupler and dyeing process with this composition
    Patent number: 5752983
    Abstract: The invention relates to a ready-for-use composition for the oxidation dyeing of keratinous fibres, in particular human keratinous fibres such as hair, including an oxidation dye precursor in combination with 4-hydroxyindole, a benzene-based coupler and an oxidizing agent in an alkaline medium, and to the dyeing process making use of this composition.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: May 19, 1998
    Assignee: L'Oreal
    Inventors: Marie-Pascale Audousset, Jean Cotteret
  • Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in oxidative coloring formulations
    Patent number: 5752984
    Abstract: An oxidative coloring composition for coloring human hair cointaining an oxidation dye precursor in a water-containing carrier, wherein the dye precursor comprises 1,2,3,4-tetrahydroquinoxalines corresponding to formula (I): ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 independently of one another represent hydrogen, C.sub.1-4 alkyl groups, benzyl groups, 2-phenylethyl groups or C.sub.2-4 hydroxyalkyl groups and X, Y and Z represent hydrogen, fluorine, chlorine, bromine or iodine atoms or C.sub.1-4 alkyl groups, and wherein at least one of the groups X, Y and Z is hydrogen.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: May 19, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Georg Knuebel, David Rose, Horst Hoeffkes, Bernd Meinigke
  • Laundry detergent containing a polyhydroxy fatty amide and insoluble ethoxylated alcohol
    Patent number: 5750485
    Abstract: Detergent compositions were prepared which contain 1-10% of a fatty acid amide, in which the carbon is attached to a C.sub.15 -C.sub.17 hydrocarbon, and wherein one of the nitrogen substituents is a polyhydroxyhydrocarbyl having a linear hydrocarbon chain with at least three hydroxyl groups pendent therefrom. Said compositions further comprise 1-6% by weight of an insoluble ethoxylated C.sub.12 -C.sub.15 primary alcohol containing an average of three ethoxylate groups per mole.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 12, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Gerard Marcel Baillely, Suzanne Powell
  • Fabric softening compound/composition
    Patent number: 5747443
    Abstract: Fabric softening actives having hydrophobic moieties containing, preferably, ester, or amide, linkages and mixed branched and unsaturated hydrophobic groups provide improved processing and stability as well as surprisingly good softening. Preferred compositions contain mono-ol and diol principal solvents having a ClogP of from about 0.15 to about 0.64, that have the ability to make clear aqueous fabric softener compositions containing relatively high concentrations of the said fabric softener actives having ester linkages in their long, hydrophobic chains. Other solvents may be present. Premixes of the fabric softening actives, the principal solvents, and, optionally, other solvents are useful in the preparation of complete formulations by obviating/limiting the need for heating. Other compositions can be prepared which are solid or dispersions of the said fabric softening actives.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: May 5, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Errol Hoffman Wahl, Toan Trinh, Eugene Paul Gosselink, James Carey Letton, Mark Robert Sivik
  • Quaternized blue anthraqinone hair dyes in an isatin/amine dye system
    Patent number: 5746779
    Abstract: Quaternized blue anthraquinone compounds of Formula I ##STR1## wherein R.sub.1 and R.sub.2 are methyl and R.sub.3 is propyl, or R.sub.1 and R.sub.2 are ethyl and R.sub.3 is methyl and A.sup.- is a cosmetically acceptable anion, when employed in an isatin/amine dye system for the dyeing of hair enable the hair colorist to develop a full range of shades for the isatin/amine dye system. The compound of Formula I wherein R1 and R2 are methyl and R3 is propyl is preferred. Compositions and a method of use employing same are disclosed.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: May 5, 1998
    Assignee: Bristol-Myers Squibb Company
    Inventor: Keith Brown
  • Ammonium bicarbonate/ammonium carbamate activated benzyl alcohol paint stripper
    Patent number: 5744438
    Abstract: Stripping action of an alkaline paint stripper is improved when ammonia is partially or completely replaced with ammonium bicarbonate or chemical equivalent thereof which decomposes into ammonia and carbon dioxide. A benzyl alcohol solvent system containing at least ammonium bicarbonate is preferably a water-in-oil emulsion emulsified with oleic hydroxyethyl imidazoline and thickened with hydroxypropyl cellulose or hydroxypropyl methylcellulose. A mixture of ammonium carbamate and ammonium bicarbonate identified as ammonium carbonate is the preferred activator for this alkaline paint stripper. Improved stripping can also be provided by reacting ammonium bicarbonate and ammonia in situ within the water-in-oil emulsion.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: April 28, 1998
    Assignee: Elf Atochem North America, Inc.
    Inventor: John Distaso
  • Enhanced performance of amphoteric surfactants
    Patent number: 5744441
    Abstract: The present invention is directed to a process for forming a hydrotrope which effectively reduces the likelihood of phase separation in a liquid cleaning composition and simultaneously enhancing its cleaning properties by combining an alkyl polyglycoside having the formula IR.sub.7 O(Z).sub.a (I)wherein R.sub.7 is a monovalent organic radical having from about 6 to about 30 carbon atoms; Z is saccharide residue having 5 or 6 carbon atoms; a is a number having a value from 1 to about 6 and an amphoteric surfactant, in a percent actives ratio of about 1:1.The amphoteric surfactants to be used are preferably selected from the group consisting of N-alkyl beta-alanines, amino betaines, amido betaines, imidazoline betaines, amino oxides, as well as mixtures thereof.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: April 28, 1998
    Assignee: Henkel Corporation
    Inventors: Allen D. Urfer, Michael Counts
  • Oil-in-water cleansing emulsion having the appearance of milk
    Patent number: 5741766
    Abstract: Oil-in-water (O/W) cleansing emulsions having the appearance of a milk, comprising a self-emulsifiable composition based on fatty alcohols as emulsifying agent and an acrylic copolymer as gelling agent, useful for cleansing the skin of the face and/or of the body. These emulsions may be used in particular as a make-up removing milk.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: April 21, 1998
    Assignee: L'Oreal
    Inventors: Catherine Marion, Nathalie Louvet-Plaisant, Liliane Lukassen
  • Antifreeze concentrates and compositions comprising neodecanoic acid corrosion inhibitors
    Patent number: 5741436
    Abstract: This invention relates to organic acid corrosion inhibitors for use in antifreeze coolant compositions. The corrosion inhibitors comprise a C.sub.8 mono-carboxylic acid component, or isomers and/or salts thereof, and a neo-decanoic acid, or isomers and/or salts thereof. The corrosion inhibitors of this invention provide improved corrosion protection to metal surfaces as compared to conventional inhibitors and provide surprisingly improved corrosion protection as compared to inhibitors containing only a single mono-carboxylic acid component.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: April 21, 1998
    Assignee: Prestone Products Corp.
    Inventors: Aleksei V. Gershun, William C. Mercer, Peter M. Woyciesjes
  • Liquid crystal composition
    Patent number: 5741770
    Abstract: This invention relates to a liquid crystal composition comprising a water insoluble organic compound, a nonionic surfactant, an abrasive, an ethoxylated alkyl ether sulfate surfactant, a cosurfactant and water.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: April 21, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Georges Yianakopoulos, Genevieve Blandiaux, Myriam Mondin
  • Detergent compositions containing ethylene aspartate cysteate (EAC) sequestrants
    Patent number: 5739093
    Abstract: Laundry detergent compositions containing a detergent surfactant, a detergent builder, and from about 0.1% to about 50% by weight ethylene aspartate cysteate sequestrants or its acid form are disclosed. These compositions provide enhanced removal of organic stains, such as food and beverage stains particularly polyphenolic stains such as wine, blueberry, tea, coffee, morello juice and the like.
    Type: Grant
    Filed: February 26, 1997
    Date of Patent: April 14, 1998
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Eddie Nelson Gutierrez, Shang-Ren Wu, Robert Charles Vermeer
  • Compositions and processes for the oxidative dyeing of keratin fibres with para-phenylenediamine derivatives and a cationic substantive polymer
    Patent number: 5735908
    Abstract: The invention relates to an oxidation dye composition for keratin fibers, in particular for human keratin fibers such as hair, of the type comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, and which is characterized in that it contains (i) as oxidation dye precursor, at least one para-phenylenediamine substituted in the 2-position on the benzene ring with a C.sub.1 -C.sub.4 hydroxyalkyl or hydroxyalkoxy radical, and/or at least one of the addition salts thereof with an acid, and (ii) at least one cationic or amphoteric substantive polymer. The invention also relates to the use of this composition for dyeing keratin fibers, especially hair.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: April 7, 1998
    Assignee: L'Oreal
    Inventors: Jean Cotteret, Marie-Pascale Audousset
  • Mutant A-amylase
    Patent number: 5736499
    Abstract: Novel .alpha.-amylase enzymes are disclosed in which one or more asparagine residues are substituted with a different amino acid or deleted. The disclosed .alpha.-amylase enzymes show altered or improved low pH starch hydrolysis performance, stability and activity profiles.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: April 7, 1998
    Assignee: Genencor International, Inc.
    Inventors: Colin Mitchinson, Carol Ann Requadt, Traci Helen Ropp, Leif P. Solheim
  • 2-nitro-paraphenylenediamines substituted by sulphur in the 5-position, the process for their preparation, dyeing compositions in which they are present and their use in the dyeing of keratin fibres
    Patent number: 5735910
    Abstract: Novel nitrobenzene compounds of the nitroparaphenylenediamine type substituted by sulphur in the 5-position are disclosed. These compounds are intended especially for the dyeing of keratin fibres and in particular human hair. A process for their preparation, dyeing compositions in which these compounds are present and a dyeing process in which these compositions are used are also disclosed.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: April 7, 1998
    Assignee: L'Oreal
    Inventors: Alain Lagrange, Alain Genet
  • Liquid cleaning compositions comprising a negatively charged complex comprising an anionic surfactant and an alkylene carbonate
    Patent number: 5736496
    Abstract: All purpose cleaning or microemulsion compositions more environmentally friendly, which is especially effective in the removal of a mixture of oil and kaolin soil, contains an analephotropic negatively charged complex, a hydrocarbon ingredient, a Lewis base, neutral polymer, a cosurfactant, and water.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: April 7, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Patrick Durbut, Anne-Marie Misselyn, Guy Broze
  • Phosphorus free stabilized alkaline peroxygen solutions
    Patent number: 5736497
    Abstract: A phosphorus-free and boron-free cleaning composition containing a phosphorus-free aqueous solution containing an active ingredient (e.g., hydrogen peroxide or a compound capable of releasing hydrogen peroxide under the conditions prevailing in use of the composition), at least one organic stannate which is a tetravalent tin complexed with dicarboxylic acid, hydroxy carboxylic acid, or tricarboxylic acid, and optionally at least one organic stabilizer which is a benzoate, a sulfonic acid or salt, or mixtures thereof. The active ingredient is hydrogen peroxide or a percarbonate. The aqueous solution has an alkaline pH.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: April 7, 1998
    Assignee: Degussa Corporation
    Inventor: Norbert N. Steiner
  • Method of coloring hair with sulfo-containing water dispersible colored polymers
    Patent number: 5735907
    Abstract: A method of coloring keratinous fibers with, and coloring compositions comprising, a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 7, 1998
    Assignee: Clairol, Inc.
    Inventors: James J. Krutak, Dante J. Rutstrom, Keith C. Brown, Mario L. Garcia
  • High sudsing detergent compositions with specially selected soaps
    Patent number: 5736503
    Abstract: Detergent compositions with high sudsing properties comprise an anionic surfactant of the alkyl sulfate, alkyl ethoxy sulfate, 2-sulfonated fatty acid methyl esters, alkyl benzene sulfonates, secondary alkyl or alkenyl sulfates, alkyl ethoxy carboxylates, sulfated or polyhydroxy fatty acid amides class, and a specially selected soap such as sodium 2-butyl-1-octanoate. The compositions provide spontaneous emulsification of grease even at neutral pH, especially in the presence of calcium ions. Sudsing may optionally be boosted by incorporating magnesium ions into the compositions. Laundry and dishwashing compositions are provided. Compositions containing a polyhydroxy fatty acid amide, sulfated polyhydroxy fatty acid amide, or alkyl ethoxy carboxylate are especially useful.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: April 7, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Phillip Kyle Vinson
  • Compositions and processes for the oxidation dyeing of keratin fibres with an oxidation base, a meta-aminophenol coupler, and a 6-hydroxyindoline coupler
    Patent number: 5735909
    Abstract: A composition for the oxidation dyeing of keratin fibres, in particular human keratin fibres such as the hair, comprising at least one suitably selected oxidation base, at least one meta-aminophenol or an acid addition salt thereof as a first coupler, and at least one 6-hydroxyindoline or an acid addition salt thereof as a second coupler, and to the dyeing process using this composition with an oxidizing agent.
    Type: Grant
    Filed: February 27, 1996
    Date of Patent: April 7, 1998
    Assignee: L'Oreal
    Inventor: Mireille Maubru