Rinse-added Composition Patents (Class 510/521)
  • Patent number: 5965517
    Abstract: A method of treating fabric comprising:i) applying a composition comprising a polycarboxylic acid or derivative thereof; and ii) curing the composition using a domestic process, is described herein. The invention also relates to compositions for use in said method.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: October 12, 1999
    Assignee: Lever Brothers Company, Division of Conopco,Inc.
    Inventor: William Mooney
  • Patent number: 5945396
    Abstract: The present invention provides a compound having the formula: ##STR1## in which each R.sub.d is the same or different and each is --NH--Z--N(R.sub.a)(R.sub.b) or --N--?Z--N(R.sub.a)(R.sub.b)!.sub.2 in which Z is C.sub.2 -C.sub.14 alkylene or optionally substituted arylene, R.sub.a and R.sub.b are the same or different and each is C.sub.1 -C.sub.12 alkyl, or R.sub.a and R.sub.b, together with the nitrogen atom to which they are each attached, form a morpholino, piperidino or piperazino ring; each R.sub.c is the same or different and is NH.sub.2, NH(C.sub.1 -C.sub.4 alkyl), N(C.sub.1 -C.sub.4 alkyl).sub.2, N(CH.sub.2 CH.sub.2 OH).sub.2, O--C.sub.1 -C.sub.4 alkyl, ##STR2## alkali metal atom, ammonium or a cation formed from an amine; or a quaternized form thereof.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: August 31, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Claude Eckhardt, Georges Metzger, Dieter Reinehr, Hanspeter Sauter, Mario Dubini
  • Patent number: 5929025
    Abstract: The present invention relates to stabilized liquid fabric softening composition comprisinga) one or more biodegradable fabric softening compounds,b) one or more fatty acid compounds,wherein the ratio of said fabric softening agents to said fatty acid compounds is from 25:1 to 6.5:1.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: July 27, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Franciscus Joseph Madeleine De Block, Bruno Albert Jean Hubesch, Raphael Angeline Alfons Ceulemans
  • Patent number: 5929026
    Abstract: Dryer-activated fabric softening articles having improved spun-bonded polyester substrates having improved feel characteristics and increased thickness as compared to conventional polyester substrates and/or feel characteristics that are not significantly different from conventional rayon substrates, after use in an automatic clothes dryer, said articles comprising: at least about 5% fabric conditioning composition comprising fabric conditioning active; and a polyester non-woven fabric substrate prepared from a polyester fiber having a denier of from greater than 4 to about 8; having a basis weight of from about 0.51 oz/yd.sup.2 to about 0.56 oz/yd.sup.2 ; a thickness of from about 0.16 mm to about 0.22 mm; belt fuzz of from about 1.8 to about 4.2; jet fuzz of from about 3.0 to about 5.0; a modulus of elasticity in machine direction and cross direction, of from about 1.5 to 4.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: July 27, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Stephen Lee Childs, Michael Allen Hoyle, Dale Alan Watts, Alvin Michael Robertson, Alessandro Corona, III, Karl Joseph Russ
  • Patent number: 5919751
    Abstract: A rinse conditioner giving excellent deposition of a fabric treatment agent onto fabric. The rinse conditioner comprising a fabric softening compound, a water insoluble oil and from 0.1% to 10% by weight of the total composition of a Fabric Treatment Agent, wherein the Fabric Treatment Agent has a c.logP of 3.0 or more.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: July 6, 1999
    Assignee: Lever Brothers Company
    Inventors: Nigel Peter Bird, Timothy David Finch, Stuart Bernard Fraser, Christopher Maddison, Christopher Whaley
  • Patent number: 5919750
    Abstract: A fabric softener composition with improved fabric softening performance is based upon a mixture of quaternary ammonium fatty acid derivatives one of which is obtained from partially hydrogenated soy triglyceride or fatty acids derived from such triglyceride possessing certain properties of cis/trans isomer ratio and iodine value and the other of which is obtained from tallow acids.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: July 6, 1999
    Assignee: Akzo Nobel NV
    Inventor: Paul Iacobucci
  • Patent number: 5883069
    Abstract: Dryer-activated fabric softening articles having improved spun-bonded polyester substrates having improved feel characteristics and increased thickness as compared to conventional polyester substrates and/or feel characteristics that are not significantly different from conventional rayon substrates, after use in an automatic clothes dryer, said articles comprising:(A) at least about 5% fabric conditioning composition comprising fabric conditioning active; and(B) a polyester non-woven fabric substrate prepared from a polyester fiber having a denier of from 5 to about 8, preferably from 5 to about 7, and more preferably about 6, said substrate having a basis weight of from about 0.53 oz/yd.sup.2 to about 0.59 oz/yd.sup.2, a thickness of from about 0.16 mm to about 0.23 mm, and, preferably, a tear strength of at least about 3 lbs/in.sup.2, preferably from about 4 to about 7 lbs/in.sup.2 in the cross direction and from about 3.1 to about 6 lbs/in.sup.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: March 16, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Stephen Lee Childs, Michael Allen Hoyle, Dale Alan Watts, Alvin Michael Robertson, Alessandro Corona, III, Karl Joseph Russ
  • Patent number: 5877145
    Abstract: Biodegradable fabric softener compounds that contain ester linkages a substantial level of polyunsaturation in the hydrophobic chains. The compounds can be used to form fabric softening compositions that are aqueous dispersions of the compounds or clear compositions. These compositions have a desirable low viscosity and recover, after freezing and thawing to have a stable low viscosity.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: March 2, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Errol Hoffman Wahl, Helen Bernardo Tordil, Toan Trinh, Eugene Robert Carr, Robert Otis Keys, Laura Marie Meyer, Hugo Jean Marie Demeyere, Dean Larry DuVal, Mitsuyo Okamoto
  • Patent number: 5861370
    Abstract: Biodegradable fabric softener premix compositions are described containing (1) biodegradable softener actives that contain substantial unsaturation and (2) perfume. The premixes can be added at ambient temperatures to water containing acid, to provide a pH of from about 1.5 to about 5, to form finished compositions. The water can also contain calcium and/or magnesium salt to modify the viscosity.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, George Joseph Harvey, Helen Bernardo Tordil, Hugo Jean Marie Demeyere, Marc Johan Declercq, Errol Hoffman Wahl
  • Patent number: 5858960
    Abstract: A fabric softening composition comprising a compound of formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are independently selected from C.sub.1 -C.sub.4 alkyl groups or C.sub.2 -C.sub.4 alkenyl groups, a is from 1 to 4, x.sup.- is a compatible anion and R.sup.4 and R.sup.5 are independently selected from C.sub.12 -C.sub.22 alkyl or alkenyl groups, the sum of the chain lengths or R.sup.4 and R.sup.5 preferably being at least 30.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: January 12, 1999
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: James Patrick Conroy, Stephen Graham Hales, Abid Nadim Khan-Lodhi
  • Patent number: 5854201
    Abstract: The invention relates to textile softener concentrates based on pentaerythritol and/or dipentaerythritol fatty acid partial esters. The dispersibility of such softener concentrates in cold water can be significantly improved by addition of a special emulsifier combination of quaternary ammonium compounds and nonionic compounds. The quaternary ammonium compounds are quaternized alkoxylated alkylamines and/or esterquats. Ethoxylated and/or propoxylated fatty acids or fatty acid esters and end-capped fatty alcohol polyglycol ethers are suitable nonionic emulsifiers.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: December 29, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Ansgar Behler, Guenther Uphues, Bernd Wahle, Peter Waltenberger, Almud Folge
  • Patent number: 5851982
    Abstract: To provide a liquid softener composition which is satisfactory in respects of softening effect, storage stability and water absorption properties, is excellent in biodegradability and is gentle with the environment. A liquid softener composition comprising 3 to 40% by weight of a quaternary ammonium salt (7-I) and water ##STR1## wherein R.sup.1 represents C.sub.20 -C.sub.44 alkyl or alkenyl group; R.sup.2, R.sup.3, and R.sup.4 are the same of different from each other and are C.sub.1 -C.sub.5 alkyl or hydroxyalkyl group; Y represents C.sub.2 -C.sub.4 alkylene group; m is a number of 0 to 20; n is an integer of 1 to 6; and X.sup.- represents an anion group.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: December 22, 1998
    Assignee: Kao Corporation
    Inventors: Yuushi Sakata, Junichi Inokoshi, Osamu Tachizawa, Tohru Katoh, Uichiro Nishimoto, Yasuki Ohtawa, Akira Sakaguchi, Kohshiroh Sotoya, deceased, Noriko Yamaguchi
  • Patent number: 5830845
    Abstract: Biodegradable fabric softener compounds that contain ester linkages a substantial level of polyunsaturation in the hydrophobic chains. The compounds can be used to form fabric softening compositions that are aqueous dispersions of the compounds. These compositions have a desirable low viscosity and recover, after freezing and thawing to have a stable low viscosity.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: November 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, George Joseph Harvey, Helen Bernardo Tordil, Errol Hoffman Wahl
  • Patent number: 5792219
    Abstract: A method of softening fabrics where the consumer adds an effective amount of a particulate fabric softening composition comprising fabric softener agent to an automatic dosing dispenser with water, seals the dispenser, and places the automatic dosing dispenser into a washing machine at the beginning of the wash process. The mechanical agitation and/or heat of the wash cycle aids in forming a finely divided emulsion/dispersion of fabric softener agent which is then released from the dispenser during the rinse cycle.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: August 11, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Frederick Anthony Hartman, John Robert Rusche, Lucille Florence Taylor, Donald Ray Brown
  • Patent number: 5789362
    Abstract: There is provided a detergent composition comprising lipoxidase enzymes. The lipoxidase enzyme is preferably incorporated into the composition at a level of from 0.0001% to 2% active enzymes by weight of the composition.
    Type: Grant
    Filed: February 4, 1997
    Date of Patent: August 4, 1998
    Assignee: The Procter & Gamble Co.
    Inventors: Andre Baeck, Alfred Busch, Peter Robert Foley, Lynda Anne Jones, Kofi Ofosu-Asante
  • Patent number: 5773409
    Abstract: A fabric softening composition is described which has a substantially water-insoluble fabric softening compound and a solubilizing agent which is a non-ionic surfactant and may include a non-surfactant cosolubilizer. The composition is up to at least 70 wt. % soluble when diluted in water to a concentration of 5 wt. % of the mixture of the fabric softening compound and the solubilizing agent. The fabric softening compound comprises a head group and two alkyl or alkenyl chains each having an average chain link equal to a greater than C.sub.14 or a single alkyl or alkenyl chain with an average chain link equal to a greater than C.sub.20.
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: June 30, 1998
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Ziya Haq, Abid Nadim Khan-Lodhi, Philip John Sams
  • Patent number: 5763387
    Abstract: The present invention relates to fabric care compositions to reduce the fading of fabrics from sunlight, comprising:(A) from about 1% to about 25% by weight of the composition of a non-fabric staining, light stable antioxidant compound, preferably containing at least one C.sub.8 -C.sub.22 hydrocarbon fatty organic moiety;(B) from 3% to about 50% by weight of the composition of a fabric softening compound;(C) from about 25% to about 95% by weight of the composition of a carrier material; and(D) optionally, from about 0% to about 20% by weight of the composition of a non-fabric staining, light stable sunscreen compound, preferably containing at least one C.sub.8 -C.sub.22 hydrocarbon fatty organic moiety;wherein the antioxidant compound is a solid material having a melting point of less than about 80.degree. C. or is a liquid at a temperature of less than about 40.degree. C.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: June 9, 1998
    Assignee: The Procter & Gamble Company
    Inventors: John Cort Severns, Mark Robert Sivik, Ellen Schmidt Baker, Frederick Anthony Hartman
  • Patent number: 5759990
    Abstract: Biodegradable fabric softener compounds that contain ester linkages a substantial level of polyunsaturation in the hydrophobic chains. The compounds can be used to form fabric softening compositions that are aqueous dispersions of the compounds or clear compositions. These compositions have a desirable low viscosity and recover, after freezing and thawing to have a stable low viscosity.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: June 2, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Errol Hoffman Wahl, Helen Bernardo Tordil, Toan Trinh, Eugene Robert Carr, Robert Otis Keys, Laura Marie Meyer
  • Patent number: 5750491
    Abstract: The present invention relates to fabric softening compositions of insoluble, degradable cationic fabric softeners at high concentrations. In particular, the present invention addresses the problem of dispersibility which is usually associated with concentrations of biodegradable cationic fabric softeners above 30%. Including a mixture of aromatic acids, especially benzoic acid and salicylic acid, at an amount of at least 10% in total, has proven to eliminate the dispersibility drawbacks and stabilize the high concentration of the fabric softener active.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: May 12, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Frans DeBlock, Jean-Francois Bodet
  • Patent number: 5750492
    Abstract: Cationic surfactant compound comprising, in the form of a quaternary ammonium salt, a product of condensation between, on the one hand a fraction of saturated or unsaturated fatty acids, or of derivatives of said acids chosen from the group comprising esters, anhydrides and acid chlorides, and on the other hand at least one tertiary amine, characterized in that, in combination:the alkyl chains of the tertiary amine together contain from 4 to 12 carbon atomsthe alkyl chains of the tertiary amine together contain from 1 to 4 functions each chosen from the group comprising hydroxyl and amine functionsthe fatty acids fraction/tertiary amine mole ratio is between 1.85 and 1.40the fatty acids each possess a hydrocarbon chain in which the number of carbon atoms is between 5 and 23.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: May 12, 1998
    Assignee: Stepan Europe
    Inventors: Jean-Pierre Contet, Stephane Courdavault Duprat, Yvan Storet, Jean-Francois Vindret
  • 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
  • Patent number: 5721205
    Abstract: Fabric softening compositions comprising fabric softening active(s), cellulase and an antioxidant effective amount of free radical scavenging antioxidant material and/or chelant.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: February 24, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Mary Vijayarani Barnabas, Kimberley Suzanne Severin, Scott William Waite
  • Patent number: 5688758
    Abstract: There is provided a stable, concentrated fabric rinse composition comprising 0.3 to 10, preferably 0.3 to 3% by weight of a fluorescent whitening agent which is compatible with a fabric care ingredient, preferably a cationic, amphoteric or anionic fluorescent whitening agent, based on the total weight of the composition, and optionally a fabric care ingredient, preferably a fabric softener, a stain release or stain repellant ingredient or a water-proofing agent, the remainder being substantially water. The fabric rinse composition is preferably a fabric softener composition comprising 5 to 25, preferably 10 to 20% by weight of a cationic fabric softening agent and 0.3 to 10, preferably 0.3 to 3% by weight of a cationic, amphoteric or anionic fluorescent whitening agent, each based on the total weight of the composition, the remainder being substantially water.
    Type: Grant
    Filed: June 12, 1996
    Date of Patent: November 18, 1997
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Claude Eckhardt
  • Patent number: 5688759
    Abstract: Nitrogen-free anionic conditioning formulations containing sulfated polyol fatty acid esters corresponding to formula (I): ##STR1## in which R.sup.1 CO is a linear or branched, saturated or unsaturated acyl radical containing 6 to 22 carbon atoms, R.sup.2 represents hydrogen, an OCR.sup.1 group or an SO.sub.3 X group, R.sup.3 is hydrogen or an (OCH.sub.2 CH.sub.2).sub.m OR.sup.2 group, n is 0 or a number of 1 to 5, m is 0 or a number of 1 to 10, and X is an alkali metal, alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium ion.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: November 18, 1997
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Ansgar Behler, Gunther Uphues, Bernd Wahle
  • Patent number: 5670472
    Abstract: Disclosed are compounds of the formula (I) ##STR1## useful as fabric softening compounds which exhibit enhanced biodegradability.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: September 23, 1997
    Assignee: Witco Corporation
    Inventor: Robert O. Keys
  • Patent number: 5668102
    Abstract: The present invention relates to liquid and solid biodegradable fabric softener compositions combined with nonionic or anionic esters of a non-allylic alcohol perfumes. These compositions exhibit improved perfume longevity and reduced environmental impact.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: September 16, 1997
    Assignee: The Procter & Gamble Company
    Inventors: John Cort Severns, Mark Robert Sivik, Frederick Anthony Hartman, Hugo Robert Germain Denutte, Jill Bonham Costa, Alex Haejoon Chung, Rafael Ortiz
  • Patent number: 5652206
    Abstract: The present invention relates to liquid and solid biodegradable fabric softener compositions combined with highly enduring substantive perfume compositions. These enduring perfume compositions comprise at least about 70% of enduring perfume ingredients. These compositions provide better perfume deposition on treated fabric, and consequently are not substantially lost during the rinse and drying cycle for less impact on the environment. Also, these perfumes improve the physical stability of the softener composition.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: July 29, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Dennis Ray Bacon, Alex Haejoon Chung, Toan Trinh
  • Patent number: 5643865
    Abstract: The present invention relates to a stable, homogenous fabric softening composition providing good static control, selected from the group consisting of:I. a liquid composition comprising: (A) from about 5% to about 40% by weight of a biodegradable quaternary ammonium fabric softening compound; (B) from about 0% to about 2.5% by weight of an electrolyte; (C)an aqueous liquid carrier; and (D) from about 0% to about 0.5% of a silicone antifoam agent; and II. a solid particulate composition comprising: (A) from about 50% to about 95% by weight of a biodegradable quaternary ammonium fabric softening compound; and (B) from about 0% to about 30% by weight of dispersibility modifier selected from the group consisting of: 1.) single-long-chain, C.sub.10 -C.sub.22 alkyl, cationic surfactant; 2.) nonionic surfactant with at least 8 ethoxy moieties; 3.) amine oxide; and 4.) mixtures thereof; wherein the quaternary ammonium fabric softening compound has the formula:(R).sub.4-m -N.sup.+ -[(CH.sub.2).sub.n -Y-R.sup.2 ].sub.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 1, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Robert Mermelstein, Ellen Schmidt Baker, John Henry Shaw, Jr., Errol Hoffman Wahl
  • Patent number: 5643862
    Abstract: The present invention provides an antifoam agent for inclusion in a detergent composition in liquid form, comprising a silicone antifoam compound, a surfactant-containing solution and a particulate stabilizing aid. The present invention also provides detergent compositions comprising said antifoam agent.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: July 1, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Roger Jeffery Jones, Athanasios Surutzidis, Walter Broeckx, Andrew Albon Fisk
  • Patent number: 5616553
    Abstract: The present invention relates to aqueous fabric conditioning compositions containing a quaternary ammonium compound and/or amine precursor thereof of the formulae (I) or (II) herein, and a cellulase, said compositions having a neat pH at 20.degree. C., of from about 2.0 to about 4.5.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: April 1, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Frederick A. Hartman, Bruno A. J. Hubesch, Johan G. L. Pluyter, Manuel G. Venegas
  • Patent number: 5599786
    Abstract: Fabric softening compositions comprising fabric softening active(s) and a cellulase formulated so as to provide limited lower levels of cellulase activity, below about 50 CEVU's per liter of rinse solution, during use conditions of addition to the rinse cycle of machine laundry washing processes. Also a process for machine treatment of fabric, especially cotton fabrics, said process comprising treating fabric during the rinse cycle of a machine washing process with one or more cationic and/or nonionic fabric softening agents and cellulase at a level below about 50 CEVU's per liter of rinse solution.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: February 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Michael P. Siklosi, Frederick A. Hartman, Bruno A. Jean Hubesch, Johan G. L. Pluyter, Manuel G. Venegas
  • Patent number: 5562849
    Abstract: The present invention relates to softening compounds; stable, homogeneous, preferably concentrated, aqueous liquid and solid textile treatment compositions; and intermediate compositions and/or processes for making said compositions. The compositions of the present invention contain diester quaternary ammonium compounds wherein the fatty acyl groups have an Iodine Value of from greater than about 5 to less than about 100, a cis/trans isomer weight ratio of greater than about 30/70 when the Iodine Value is less than about 25, the level of unsaturation being less than about 65% by weight, wherein said compounds are capable of forming concentrated aqueous compositions with concentrations greater than about 13% by weight at an Iodine Value of greater than about 10 without viscosity modifiers other than normal polar organic solvents present in the raw material of the compound or added electrolyte.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: October 8, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Errol H. Wahl, Dennis R. Bacon, Ellen S. Baker, Jean-Francois Bodet, Michael E. Burns, Hugo J. M. Demeyere, Charles A. Hensley, Robert Mermelstein, John C. Severns, John H. Shaw, Jr., Michael P. Siklosi, Alice M. Vogel, Jeffrey W. Watson
  • Patent number: 5545350
    Abstract: Compositions are disclosed containing fabric softener compound having two hydrophobic groups attached to the remainder of the compound through ester linkages (DEQA), said compositions being concentrated and containing viscosity/dispersibility modifiers which are single long chain cationic surfactants, highly ethoxylated nonionic surfactants and/or mixtures thereof. Premixes of the DEQA and viscosity modifiers to lower the viscosity of the molten DEQA are disclosed. Processes for making aqueous liquid compositions from solid particulate compositions containing the DEQA are also disclosed.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: August 13, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Ellen S. Baker, Jean-Francois Bodet, Hugo J. M. Demeyere, Frederick A. Hartman, Bruno A. Hubesch, Robert Mermelstein, Lucille F. Taylor, Errol H. Wahl
  • Patent number: 5545340
    Abstract: The present invention relates to softening compounds; stable, homogeneous, preferably concentrated, aqueous liquid and solid textile treatment compositions; and intermediate compositions and/or processes for making said compositions. The compositions of the present invention contain diester quaternary ammonium compounds wherein the fatty acyl groups have an Iodine Value of from greater than about 5 to less than about 100, a cis/trans isomer weight ratio of greater than about 30/70 when the Iodine Value is less than about 25, the level of unsaturation being less than about 65% by weight, wherein said compounds are capable of forming concentrated aqueous compositions with concentrations greater than about 13% by weight at an Iodine Value of greater than about 10 without viscosity modifiers other than normal polar organic solvents present in the raw material of the compound or added electrolyte.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: August 13, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Errol H. Wahl, Dennis R. Bacon, Ellen S. Baker, Jean-Francois Bodet, Michael E. Burns, Hugo J. M. Demeyere, Charles A. Hensley, Robert Mermelstein, John C. Severns, John H. Shaw, Jr., Michael P. Siklosi, Alice M. Vogel, Jeffrey W. Watson
  • Patent number: 5543066
    Abstract: A fabric softening composition containing as essential constituent a biodegradable quaternary ammonium compound, characterized in that the composition comprises at least one or more compounds of the formula: ##STR1## wherein X is an anion, A is an (m+n) valent radical remaining after the removal of (m+n) hydroxy groups from an aliphatic polyol having phydroxy groups and an atomic ratio of carbon to oxygen in the range of 1.0 to 3.0 and up to 2 groups per hydroxy group selected from ethylene oxide and propylene oxide, m is 0 or an integer from 1 to p-n, n is an integer from 1 to p-m, and p is an integer of at least 2, B is an alkylene or alkylidene group containing 1 to 4 carbon atoms, R.sup.1, R.sup.2, R.sup.3 and R.sup.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: August 6, 1996
    Inventors: Hans J. Weissen, Norbert Porta
  • Patent number: 5536421
    Abstract: A method of softening fabrics where the consumer adds an effective amount of a particulate fabric softening composition comprising fabric softener agent to an automatic dosing dispenser with water, seals the dispenser, and places the automatic dosing dispenser into a washing machine at the beginning of the wash process. The mechanical agitation and/or heat of the wash cycle aids in forming a finely divided emulsion/dispersion of fabric softener agent which is then released from the dispenser during the rinse cycle.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: July 16, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Frederick A. Hartman, John R. Rusche, Lucille F. Taylor
  • Patent number: 5531910
    Abstract: The present invention relates to liquid and solid biodegradable fabric softener compositions combined with nonionic or anionic esters of a non-allylic alcohol perfumes. These compositions exhibit improved perfume longevity and reduced enviromental impact.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: July 2, 1996
    Assignee: The Procter & Gamble Company
    Inventors: John C. Severns, Mark R. Sivik, Frederick A. Hartman, Hugo R. G. Denutte, Jill B. Costa, Alex H. Chung