Abstract: The present invention relates to detergent compositions comprising a cellulase termination composition and cellulase in order to prevent potential tensile strength loss related to the hydrolytic activity of cellulase on cellulose substrates while maintaining the desired benefits from the use of cellulase.
Type:
Grant
Filed:
October 13, 1998
Date of Patent:
June 20, 2000
Assignee:
The Procter & Gamble Company
Inventors:
Andre Cesar Baeck, Alfred Busch, Andre Christian Convents, Olivier Paquatte
Abstract: The present invention relates to detergent compositions containing low molecular weight organic diamines. More particularly, the invention is directed to detergent compositions for hand dishwashing which has improved grease removal performance and benefits in sudsing. The detergents of this invention also have improved low temperature stability properties and dissolution properties.
Type:
Grant
Filed:
December 12, 1997
Date of Patent:
May 30, 2000
Assignee:
The Procter & Gamble Company
Inventors:
Phillip Kyle Vinson, Janice Lee Oglesby, Jeffrey John Scheibel, William Michael Scheper, Chandrika Kasturi, Kristen Lynne McKenzie, Kofi Ofosu-Asante, Joanna Margaret Clarke, Robert Owens
Abstract: Mixtures of mid-chain branched primary alkyl sulfate surfactants useful in cleaning compositions, especially for lower water temperature applications, alone or formulated with other surfactants for the purpose of modifying the low temperature cleaning properties of the cleaning formulations. The present invention also relates to novel mid-chain branched primary alkyl sulfate surfactants suitable for use in surfactant mixtures.
Type:
Grant
Filed:
October 13, 1998
Date of Patent:
May 9, 2000
Assignee:
The Procter & Gamble Company
Inventors:
Thomas Anthony Cripe, Daniel Stedman Connor, Phillip Kyle Vinson, James Charles Theophile Roger Burckett-St. Laurent, Kenneth William Willman, Jeffrey Scott Dupont
Abstract: The present invention relates to the use, in a composition, of a combination of a chelating agent, a surfactant, and an essential oil or an active thereof, to provide disinfecting properties to said composition.
Type:
Grant
Filed:
January 15, 1999
Date of Patent:
April 11, 2000
Assignee:
The Procter & Gamble Company
Inventors:
Nicoletta Romano, Marina Trani, Keith Homer Baker
Abstract: The present invention is a composition comprising a dye fixing agent and a specific aminon-functional polymer, said composition providing an improved color care on fabric upon laundry treatments.
Type:
Grant
Filed:
March 19, 1999
Date of Patent:
February 1, 2000
Assignee:
The Procter & Gamble Company
Inventors:
Linda Josefina Anna Leurentop, Janet Sue Littig, Axel Masschelein
Abstract: The present invention relates to detergent compositions comprising: a) a hydrophobic bleaching system selected from i) hydrogen peroxide or a source thereof in amount of from 0.1% to 60% by weight and combined with a hydrophobic peroxyacid bleach precursor in amount of from 0.1% to 60% by weight, ii) a preformed hydrophobic peroxyacid in amount of from 0.1% to 60% by weight, and iii) mixtures of i) and ii), wherein a hydrophobic peroxyacid bleach precursor is defined as a compound which produces under perhydrolysis a hydrophobic peroxyacid whose parent carboxylic acid has a critical micelle concentration less than 0.5 moles/liter measured in aqueous solution at 25.degree. C. and pH 7, and wherein a hydrophobic preformed peroxyacid is defined as a compound whose parent carboxylic acid has a critical micelle concentration less than 0.5 moles/liter measured in aqueous solution at 25.degree. C. and pH 7; b) up to 5% by weight of a perfume composition; and c) at least 0.
Type:
Grant
Filed:
June 2, 1998
Date of Patent:
January 25, 2000
Assignee:
The Procter & Gamble Company
Inventors:
Richard Timothy Hartshorn, Youssef Oubrahim, Allan Campbell McRitchie, Christiaan Arthur Jacques Kamiel Thoen
Abstract: Process for manufacturing bleaching compositions comprising halogen bleach, a source of bromine and an organic or inorganic derived --NH.sub.2 compound whereby improved bleaching performance is obtained and compositions obtainable by said process.
Abstract: Mid-chain branched primary alkyl alkoxylated sulfate surfactants useful in laundry and cleaning compositions, especially granular and liquid detergent compositions. These surfactant mixtures are also suitable for formulation with other surfactants for the purpose of providing improved surfactant systems, especially for use in detergent compositions which will be used in laundry processes involving low water temperature wash conditions. The present invention also relates to novel mid-chain branched primary alkyl alkoxylated sulfate surfactants suitable for use in the surfactant mixtures.
Type:
Grant
Filed:
October 13, 1998
Date of Patent:
December 28, 1999
Assignee:
The Procter & Gamble Company
Inventors:
Thomas Anthony Cripe, Daniel Stedman Connor, Phillip Kyle Vinson, James Charles Theophile Roger Burckett-St. Laurent, Kenneth William Willman
Abstract: The present invention relates to the use of a liquid composition comprising a peroxygen bleach and a radical scavenger or mixtures thereof, for pretreating soiled fabrics before said fabrics are washed, for reducing the loss of tensile strength in said fabrics and/or for reducing the color damage of said fabrics. The present invention further encompasses a liquid composition suitable for pretreating soiled fabrics, said composition comprising a peroxygen bleach and a radical scavenging system.
Type:
Grant
Filed:
March 26, 1998
Date of Patent:
December 14, 1999
Assignee:
The Procter & Gamble Company
Inventors:
Valerio Del Duca, Carlo Ricci, Marina Trani
Abstract: The present invention relates to a system for delivering liquid bleach activators to solid or granular peroxygen bleach containing compositions. The preferred delivery system is liquid activators complexed with a cyclodextrin. preferably beta-cyclodextrin. The present invention also relates to a method for preparing the liquid bleach activator/cyclodextrin complexes described herein.
Abstract: Laundry particles comprising: a) a porous carrier selected from the group consisting of Zeolite X, Zeolite Y, and mixtures thereof; and b) laundry agents comprising from about 5% to about 100% by weight of deliverable agents, preferably comprising from about 0.1% to about 50% blocker agents.
Type:
Grant
Filed:
April 4, 1997
Date of Patent:
September 21, 1999
Assignee:
The Procter & Gamble Company
Inventors:
Dennis Joseph Barket, Jr., Jill Bonham Costa, Lois Sara Gallon, Janet Sue Littig
Abstract: Nonaqueous detergent compositions which are in the form of a liquid, paste or gel, wherein the compositions comprise a divalent and/or trivalent metal salt bleach activator are disclosed.
Type:
Grant
Filed:
December 22, 1997
Date of Patent:
August 31, 1999
Assignee:
Procter & Gamble Company
Inventors:
Jean-Pol Boutique, Michael Eugene Burns, James Pyott Johnston, Axel Meyer
Abstract: Detergent compositions comprise a surfactant selected from anionic, nonionic, cationic, amphoteric and zwitterionic detergent-active compounds and mixtures thereof; a detergency builder comprising zeolite P having a silicon to aluminium ratio not greater than 1.33; from 0.05% to 0.3%, by weight of the composition, anionic N-bonded stilbene optical brightener; and one or more additional components selected from manganese phthalocyaninetetrasulphonate and polymers selected from polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinylpyrrolidones, polyvinyloxazolidones, polyvinylimidazoles and mixtures thereof.
Type:
Grant
Filed:
September 6, 1996
Date of Patent:
August 10, 1999
Assignee:
The Procter & Gamble Company
Inventors:
Michael Alan J. Moss, Christiaan A. J. K. Thoen
Abstract: Low hue photobleaching compositions comprising organosilicon(IV) phthalocyanine and naphthalocyanines having Q-band absorption maxima at wavelengths greater than 660 nm and increased triplet state yields whereby production of singlet oxygen is increased. Use of Si.sup.4+ phthalocyanine and naphthalocyanines compounds in photobleaching compositions allows for formulation of low hue laundry compositions, bleach compositions, and hard surface cleaners.
Abstract: An aqueous viscous composition comprises: (a) from 0.5% to 1.2% of an ingredient comprising an amine, amine oxide or a mixture thereof; (b) between 4% and 7% of an ingredient comprising a secondary alkyl sulfate, secondary alkyl sulfonate, primary monobranched alkyl sulfate, primary monobranched alkyl sulfonate or mixture thereof, (c) between 2% and 4% hydrotrope; and (d) between 4% and 8% citric acid. The amount of component (b) is in excess of component (a), and the composition has a pH of from 3 to 4. A 1.2%, by weight, aqueous solution of the composition has an average rate of foam collapse of from 1.00 to 1.50 cm/min.
Abstract: The present invention relates to rinse-added laundry additive compositions having a color care agent and to methods for using the compositions. The laundry additive composition comprises from about 0.1% to about 50% of by weight of the composition of a color care agent having the formula:(R.sub.1)(R.sub.2)N(CX.sub.2).sub.n N(R.sub.3)(R.sub.4)wherein X is selected from the group consisting of hydrogen, linear or branched; substituted or unsubstituted alkyl having from 1-10 carbons atoms and substituted or unsubstituted aryl having at least 6 carbon atoms; n is an integer from 1 to 6; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of alkyl; aryl; alkaryl; arylalk; hydroxyalkyl; polyhydroxyalkyl; polyalkylether having the formula --((CH.sub.2).sub.y O).sub.z R.sub.7 where R.sub.
Type:
Grant
Filed:
December 18, 1997
Date of Patent:
February 23, 1999
Assignee:
The Procter & Gamble Company
Inventors:
Janet Sue Littig, Frederick A. Hartman, Mark Robert Sivik
Abstract: Liquid laundry detergent compositions comprising water soluble and/or dispersible, modified polyamines having functionalized backbone moieties which provide cotton soil release benefits (optionally in combination with non-cotton soil release agents) and protease enzymes.
Type:
Grant
Filed:
April 22, 1997
Date of Patent:
January 12, 1999
Assignee:
Procter & Gamble Company
Inventors:
Chanchal Kumar Ghosh, Sanjeev Krishnadas Manohar, Eugene Paul Gosselink, Randall Alan Watson
Abstract: The present invention relates to a detergent composition comprising an amylase enzyme in combination with a nonionic polysaccharide ether for improved stain removal performance.
Type:
Grant
Filed:
July 16, 1997
Date of Patent:
December 22, 1998
Assignee:
The Procter & Gamble Company
Inventors:
Gerard Marcel Baillely, Nour-Eddine Guedira, Robin Gibson Hall
Abstract: Oligomeric or polymeric substituted or unsubstituted ethylene terephthalate esters comprising fluorescent whitening groups useful as soil release agents in laundry detergent compositions are described. The soil release agents of the present invention are especially suitable for use with polyester and polyester-blended fabric.
Type:
Grant
Filed:
June 4, 1997
Date of Patent:
November 10, 1998
Assignee:
The Procter & Gamble Company
Inventors:
Robert Henry Rohrbaugh, Eugene Paul Gosselink