Abstract: A process for making a liquid fabric softening composition is provided. The process comprises the steps of:(A) forming an aqueous phase comprising a dispersible polyolefin having a temperature of from about 50.degree. C. to about 90.degree. C.;(B) forming a molten organic phase having a temperature of from about 50.degree. C. to about 90.degree. C., the molten organic phase including a molten fabric softening compound;(C) injecting the molten organic phase into the aqueous phase;(D) mixing during the injection to form a mixture;(E) adding a solution of an electrolyte to the mixture;(F) cooling the mixture to a temperature of from about 15.degree. C. to about 30.degree. C.; and(G) adding an additional amount of the electrolyte to form a liquid fabric softening composition.Preferably, the dispersible polyolefin is added as an emulsion or suspension of polyolefin and is an oxidized polyethylene.
Type:
Grant
Filed:
January 31, 1996
Date of Patent:
March 17, 1998
Assignee:
The Procter & Gamble Company
Inventors:
Robert Mermelstein, John Henry Shaw, Jr.
Abstract: The present invention relates to low sudsing hard surface cleaning compositions comprising a dianionic sulfosuccinamate and a polyethoxylated alcohol nonionic surfactant which provides non-streaking and non-filming benefits. The compositions of the present invention are effective on clear and colorless, shiny, or "semi-gloss" surfaces.
Type:
Grant
Filed:
February 6, 1996
Date of Patent:
December 30, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Alan Edward Sherry, Daniel Stedman Connor, Robert Emerson Stidham, Phillip Kyle Vinson
Abstract: There is provided a bleaching composition, suitable for use in a machine dishwashing method, containing: an oxygen-releasing bleaching agent, from 0.05% to 2.5% by weight, preferably 0.1% to 0.6% by weight of a paraffin oil, from 0.005% to 3%, preferably 0.02% to 1% and most preferably from 0.05% to 0.5% of a benzotriazole compound. Preferably the bleaching composition forms a part of a detergent composition.
Type:
Grant
Filed:
December 21, 1995
Date of Patent:
December 16, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Julie Ann Christie, Fiona Susan Macbeath, John Christopher Turner
Abstract: There is provided a bleaching composition containing (a) an oxygen-releasing bleaching agent as a source of available oxygen and (b) a non-paraffin oil organic silver coating agent. In one aspect the rate of release of available oxygen is carefully controlled such that the available oxygen is completely released from the composition in a time interval of from 3.5 minutes to 10.0 minutes. In another aspect the composition contains (c) an additional corrosion inhibitor compound.
Type:
Grant
Filed:
June 29, 1995
Date of Patent:
December 9, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Julie Ann Christie, Fiona Susan MacBeath
Abstract: Soil release agents which comprise: an ester backbone comprising (1) units selected from dihydroxy or polyhydroxy sulfonate (e.g., a sulfoethyl ether of glycerin), a unit which is at least trifunctional whereby ester linkages are formed resulting in a branched oligomer backbone (e.g., glycerol), or mixtures thereof, (2) terephthaloyl unit, and (3) oxyalkyleneoxy unit; and one or more capping units (preferably anionic).
Type:
Grant
Filed:
November 22, 1995
Date of Patent:
November 25, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Eugene Paul Gosselink, James Albert Cleary, Robert Henry Rohrbaugh, Margaret Robinson Tallmadge, Shulin Zhang
Abstract: A viscoelastic, thixotropic, liquid automatic dishwashing detergent composition which is substantially free of chlorine bleach and silicate and contains enzyme(s), an enzyme stabilizing system, and a detergent surfactant or detergent builder is provided. It has a product pH between about 7 and about 11.
Type:
Grant
Filed:
August 22, 1995
Date of Patent:
November 25, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Janet Layne Marshall, David Lee Hall, Hal Ambuter, Edward Paul Fitch
Abstract: Granular detergent compositions comprise conventional ingredients and a perfume delivery system which comprises Type X or Type Y Zeolites having a perfume releasably adsorbed within their pores, and a barrier matrix comprising a fluid polyol or diol which is insoluble with the perfume and a solid polyol containing more than three hydroxyl moieties. Methods of depositing said perfume onto fabric surfaces are disclosed.
Type:
Grant
Filed:
February 27, 1995
Date of Patent:
November 25, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Robert Ya-Lin Pan, Jing-Feng You, Gregory Stephen Caravajal, Sharon Anne Graves, William Richard Mueller
Abstract: Bleaching compositions useful for laundering fabrics comprising a manganese bleach catalyst at a level below about 40 ppm manganese sourced by the catalyst. Also, acid wash methods useful for reducing the bleach catalyst carry-over from laundry bleach compositions containing metal-containing bleach catalysts, said methods comprising contacting fabrics impregnated with metal-containing bleach catalysts with an aqueous acidic solution having a pH below about 4.0.
Type:
Grant
Filed:
March 24, 1995
Date of Patent:
November 11, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Gerard Marcel Abel Baillely, Richard Timothy Hartshorn, Thomas Edward Cook, Alistair John Pretty, Christian Leo Marie Vermote
Abstract: The present invention relates to a method of cleaning fabrics with heavy soil loads or by hand-washing with detergent compositions comprising N-acyl caprolactam bleaching activators.
Type:
Grant
Filed:
June 7, 1995
Date of Patent:
November 11, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Alan David Willey, Michael Eugene Burns, Jerome Howard Collins
Abstract: Bleaching compositions, laundry and automatic dishwashing detergent compositions comprising particular quaternary-substituted bleach activators, are provided. More specifically, the invention relates to compositions which provide enhanced cleaning/bleaching benefits though the selection of quaternary-substituted bleach activators having specific leaving groups with a conjugate acid pKa above 13 and with specific ratios of the rate of perhydrolysis to the rate of hydrolysis and the rate of perhydrolysis to the rate of diacylperoxide production. Included are preferred activator compounds and methods for washing fabrics, hard surfaces, and tableware using the activators.
Type:
Grant
Filed:
August 31, 1994
Date of Patent:
November 11, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Alan David Willey, Gregory Scot Miracle, Kevin Lee Kott, Michael Eugene Burns, Gerard Marcel Abel Baillely, Nour-Eddine Guedira, Frederick Edward Hardy, Lucille Florence Taylor, Mark Robert Sivik
Abstract: Automatic dishwashing detergent compositions comprising a diacyl peroxide particle are disclosed. The diacyl peroxide particles are premixed with dispersing agent prior to the addition of other automatic dishwashing detergent ingredients. The dispersing agent is selected from the group consisting of surfactants, dispersant polymers and mixtures thereof. The compositions are effective in removing carotenoid stains from plastics and tea stains from china under various temperature and pH conditions.
Abstract: Automatic dishwashing detergent compositions, comprising particular quaternary-substituted bleach activators, are provided. More specifically, the invention relates to granular automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits through the selection of quaternary-substituted bleach activators having specific features, such as caprolactam or valerolactam leaving groups and/or the ability to form particular cationic aliphatic peracid structures in solution. Preferred automatic dishwashing compositions comprise amylase enzymes. Included are preferred activator compounds and methods for washing tableware in domestic automatic dishwashing appliances using the activators.
Type:
Grant
Filed:
June 7, 1995
Date of Patent:
August 5, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Lucille Florence Taylor, Mark Robert Sivik, Alan David Willey, James Charles Theophile Burckett-St. Laurent, Frederick Anthony Hartman
Abstract: The present invention relates to a machine dishwashing composition containingfrom 1% to 80% of a detergent builder component other than carbonatefrom 0% to 9%, preferably 0% to 5%, most preferred 0% of alkali-metal carbonate or bicarbonate saltan oxygen-releasing bleaching agent such that the level of available oxygen measured according to the method herein is from 0.3 to 1.7, preferably 0.5 to 1.2,from 0.05% to 2.5%, preferably 0.1% to 0.6% of a paraffin oil, the rate of release of oxygen being preferably also controlled; the present invention also encompasses a process for making such compositions.
Abstract: Aqueous, acidic bleach laundry detergent compositions with selected chelants which remain substantially undissolved in the acidic product formulation are described. The chelants are chemically stable within the product even upon extended storage and provide improved in-use chelating as well as product performance.
Abstract: Improved aqueous bleaching solutions formed by reacting a bleach activator having a perhydrolysis selectivity coefficient of 5 or greater and a low-pH perhydrolysis-efficiency coefficient of 0.15 or higher are provided. More specifically, the invention relates to bleaching solutions which provide enhanced cleaning/bleaching benefits though the selection of bleach activators at mildly alkaline washing solutions or in the presence of reduced-levels of hydrogen peroxide.
Type:
Grant
Filed:
November 18, 1994
Date of Patent:
June 3, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Kevin L. Kott, Alan D. Willey, Gregory S. Miracle, James C. T. R. Burckett-St. Laurent
Abstract: The present invention relates to acylated citrate esters to be used as peracid precursors in a bleaching or a disinfecting operation. The present invention encompasses the use of these acylated citrate esters, granular or liquid compositions comprising the acylated citrate esters. Activating compositions are described as well as activated bleaching compositions.
Type:
Grant
Filed:
November 9, 1994
Date of Patent:
April 1, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Frederick E. Hardy, Alan D. Willey, Stefano Scialla
Abstract: Improved automatic dishwashing detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted bis(peroxycarbonic) acids, upon perhydrolysis are provided.
Abstract: A process for the manufacture of a high bulk density granular dishwashing detergent composition which comprises agglomerating ingredients with a liquid binder to form base granules which are substantially free of alkali metal silicates followed by admixing alkali metal silicate. The process provides uniform delivery of detergent ingredients and improved solubility.
Abstract: Improved soil release agents for granular laundry detergents, typically used at levels as low as about 1% of a fully-formulated anionic surfactant-containing granular detergent, are reaction products of transesterifying and oligomerizing mixtures of monomers having the functions MO.sub.3 SC.sub.6 H.sub.4 C(O)--, M'O.sub.3 SC.sub.6 H.sub.3 {C(O)O--}.sub.2, --(O)CC.sub.6 H.sub.4 C(O)-- and --OCH.sub.2 CH.sub.2 O-- wherein M and M' are independently selected from lithium, potassium and sodium, more preferably sodium; said mixtures having mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to --(O)CC.sub.6 H.sub.4 C(O)-- of from about 0.2:1 to about 1.4:1, mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to M'O.sub.3 SC.sub.6 H.sub.3 {C(O)O--}.sub.2 of from about 0.67:1 to about 20:1 and mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to --OCH.sub.2 CH.sub.2 O-- of from about 0.007:1 to about 0.51:1 and being substantially free from monomers of formula HOROH wherein R is propylene or higher alkyl.
Type:
Grant
Filed:
December 21, 1995
Date of Patent:
February 4, 1997
Assignee:
The Procter & Gamble Company
Inventors:
Robert Y. L. Pan, Eugene P. Gosselink, Eugene J. Pancheri, Stephen W. Morrall