Patents by Inventor Frederick E. Hardy

Frederick E. Hardy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5633225
    Abstract: The present invention relates to a dye transfer inhibiting detergent composition comprisinga) 0.0001% to 10% by weight of a dye transfer inhibitor having a ratio of amine to amine N-oxide of from about 2:3 to about 1:1,000,000 selected from the group consisting of poly(2-vinylpyridine-N-oxide), poly-2-(dimethylamino)-ethylmethacrylate-N-oxide and poly-1-vinylimidazole-N-oxide; andb) a detersive effective amount of a surfactant; andc) a detersive effective amount of a builder.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: May 27, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Abdennaceur Fredj, James P. Johnston, Christiaan A. J. Thoen, Finlay MacCorquodale, Alfred Busch, Frederick E. Hardy, Alan D. Willey
  • Patent number: 5616281
    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
  • Patent number: 5560858
    Abstract: A) A metallocatalyst selected from: a) metalloporphin and water-soluble or water-dispersable derivatives thereof; b) metaloporphyrin and water-soluble or water-dispersable derivatives thereof; c) metallophthalocyanine and water-soluble or water-dispersable derivatives thereof; B) a polyamine N-oxide containing polymers; C) an efficient amount of a bleaching agent.
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: October 1, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Abdennaceur Fredj, Frederick E. Hardy, Alan D. Willey, James P. Johnston, Regine Labeque, Christiaan A. J. K. Thoen
  • Patent number: 5496728
    Abstract: Yeast or other micro-organism cells for use in the encapsulation of liquids (e.g. liquid bleach activators for use in laundry detergent compositions) are deodorised by treatment with a peroxygen bleach, e.g. hydrogen peroxide.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: March 5, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Frederick E. Hardy, Alan D. Willey, Stefano Scialla
  • Patent number: 5431849
    Abstract: Esters of monosaccharides and their lower alkyl glycosides are effective both as suffactants and as bleach activators (peracid precursors). The compounds are non-toxic and biodegradable. They act as nonionic suffactants and are effective in soil removal from textiles, e.g. of fatty soiling. In the presence of a hydrogen peroxide source, the sugar derivatives are perhydrolyzed during the washing process to form long-chain peracid. This enhances the bleaching effect, especially on hydrophobic stains.
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: July 11, 1995
    Assignee: Novo Nordisk A/S
    Inventors: Ture Damhus, Ole Kirk, Frederick E. Hardy
  • Patent number: 5405542
    Abstract: Rinse-added fabric conditioning compositions containing cationic soil release polymers are much more effective than similar compositions containing nonionic soil release polymers for soil release. Most of the cationic soil release polymers are new compounds comprising a hydrophobic alkylene oxide/terephthalate portion which has a low molecular weight and at least a single cationic charge under use conditions.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: April 11, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Eugene P. Gosselink, Frederick E. Hardy
  • Patent number: 5051212
    Abstract: Hard-surface cleaning compositions are disclosed, containing an organic solvent having a boiling point above 90.degree. C., and a chelating agent derived from iminodiacetic acid.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: September 24, 1991
    Assignee: The Procter & Gamble Company
    Inventors: Stephen Culshaw, Eddy Vos, Frederick E. Hardy
  • Patent number: 4956447
    Abstract: Rinse-added fabric conditioning compositions containing cationic soil release polymers are much more effective than similar compositions containing nonionic soil release polymers for soil release. Most of the cationic soil release polymers are new compounds comprising a hydrophobic alkylene oxide/terephthalate portion which has a low molecular weight and at least a single cationic charge under use conditions.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: September 11, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Eugene P. Gosselink, Frederick E. Hardy, Toan Trinh
  • Patent number: 4933096
    Abstract: Novel imidazole compounds are disclosed, as well as textile treatment compositions containing said imidazole compounds and a Bronstedt acid as dispersing aid.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: June 12, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Hugo J. M. Demeyere, Frederick E. Hardy, Axel Koenig
  • Patent number: 4852989
    Abstract: This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar amide link in the hydrophobic chain when used in the bleaching compositions. In a preferred embodiment, the bleaching compositions of the invention are also detergent compositions.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: August 1, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Michael E. Burns, Frederick E. Hardy
  • Patent number: 4853143
    Abstract: Bleach activator, bleach and detergent compositions comprising:(a) a peroxyacid bleach precursor having the general formula IAc--L Iwherein Ac is the acyl moiety of an organic carboxylic acid comprising an optionally substituted, linear or branched C.sub.6 -C.sub.20 alkyl or alkenyl moiety or a C.sub.6 -C.sub.20 alkyl-substituted aryl moiety and L is a leaving group, the conjugate acid of which has a pKa in the range from 4 to 13, and(b) an antioxidant.The compositions combine excellent stability, substrate-safety, water-dispersibility, granulometry and detergency performance.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: August 1, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Frederick E. Hardy, Frank Cselik, Alastair J. Pretty, Kenneth Young, Gerald Scott
  • Patent number: 4840738
    Abstract: Shelf-stable biodegradable fabric softening compositions are provided comprising mixtures of a quaternized ester-ammonium softening compound having the formula ##STR1## and mixtures thereof, wherein each R substituent is independently selected from C.sub.1 -C.sub.6 alkyl, alkenyl or hydroxyalkyl groups, R.sup.1 is a C.sub.14 -C.sub.22 hydrocarbyl group, R.sup.2 is a C.sub.13 -C.sub.21 hydrocarbyl group, and A.sup.- is a softener compatible anion; and a liquid carrier. These biodegradable compositions have improved product stability and dispersability, as well as excellent fabric softening characteristics.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: June 20, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Frederick E. Hardy, Darlene R. Walley
  • Patent number: 4758378
    Abstract: Detergent compositions capable of providing through-the-wash softness and other fabric-care benefits are disclosed, which contain a specific amide softening agent.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: July 19, 1988
    Assignee: The Procter & Gamble Company
    Inventors: Hans Raemdonck, Alfred Busch, Frederick E. Hardy
  • Patent number: 4714565
    Abstract: Homogeneous concentrated liquid detergent compositions containing specific monoesters of dicarboxylic acids are disclosed. Substantial levels of nonionic surfactants are present. Preferred compositions additionally contain low levels of oleic acid.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: December 22, 1987
    Assignee: The Procter & Gamble Company
    Inventors: Jean Wevers, Christian R. Barrat, Frederick E. Hardy
  • Patent number: 4681592
    Abstract: Per-acids and per-acid precursor compounds of the general type RXAOOH and RXAL, wherein R is a hydrocarbyl group, X is a hetero-atom. A is a carbonyl bridging group and L is a leaving group, especially oxybenzenesulfonate, are useful bleaching compounds for fabrics. Laundry products containing same are disclosed.
    Type: Grant
    Filed: June 21, 1985
    Date of Patent: July 21, 1987
    Assignee: The Procter & Gamble Company
    Inventors: Frederick E. Hardy, Barry T. Ingram
  • Patent number: 4634551
    Abstract: This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar amide link in the hydrophobic chain when used in the bleaching composition. In a preferred embodiment, the bleaching compositions of the invention are also detergent compositions.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: January 6, 1987
    Assignee: Procter & Gamble Company
    Inventors: Michael E. Burns, Frederick E. Hardy
  • Patent number: 4619779
    Abstract: A detergent additive product comprising a C.sub.5 -C.sub.18 aliphatic peroxy carboxylic acid bleach precursor in water releasable combination with a non particulate flexible substrate in a weight ratio of precursor to substrate of 30:1 to 1:10. The aliphatic portion of the precursor incorporates a linear chain including and extending from the carbonyl carbon of from 6 to 10 carbon atoms. The product can also include peracetic acid precursors and other compatible organic and inorganic detergent components.
    Type: Grant
    Filed: December 12, 1984
    Date of Patent: October 28, 1986
    Assignee: The Procter & Gamble Company
    Inventor: Frederick E. Hardy
  • Patent number: 4587054
    Abstract: A hydrophilic phenol ester derivative, especially a sulphonated or carboxylated phenol ester is prepared by reacting a C.sub.6 -C.sub.18 substituted or unsubstituted aliphatic carboxylic acid with a C.sub.2 -C.sub.3 alkanoic anhydride, and reacting the resultant C.sub.6 -C.sub.18 acid anhydride with a substituted phenol such as an alkali metal phenol sulphonate salt or hydroxybenzene carboxylic acid to give a C.sub.6 -C.sub.18 acyloxy derivative of a substituted benzene. The two stage process may be carried out in the same reaction vessel without the use of solvents. The products are useful as peroxyacid bleach precursors.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: May 6, 1986
    Assignee: The Procter & Gambel Company
    Inventors: Frederick E. Hardy, James E. Thompson
  • Patent number: 4536314
    Abstract: Detergent compositions, detergent additive products and bleaching compositions containing aliphatic peroxyacid bleach precursors of formula ##STR1## are provided, where L is a leaving group of defined formula whose conjugate acid has a pKa of from 6 to 13 and ##STR2## is a non linear acyl group, the carboxylic acid derivative of which has a logP.sub.OCT in the range from 1.9 to 4.0 (where P.sub.OCT is the partition coefficient between octanol and water). New precursor compounds are provided in which ##STR3## is a C.sub.7 -C.sub.17 branched aliphatic acyl group containing a linear chain of at least 5 carbon atoms extending from and including the carbonyl carbon wherein the branching is on at least the 2- and/or 3- carbon atom.
    Type: Grant
    Filed: February 22, 1984
    Date of Patent: August 20, 1985
    Assignee: The Procter & Gamble Company
    Inventors: Frederick E. Hardy, David J. Kitko, Cushman M. Cambre
  • Patent number: 4294711
    Abstract: Granular built detergent compositions having good textile softening and cleaning properties comprise a nonionic surfactant, a cationic textile softening agent, a detergent builder and an optical brightener of the 4,4'bis (triazinylamino) stilbene 2,2' sulphonic acid type in a zwitterionic form having a low rate of solution in an aqueous medium of pH 9 at 25.degree. C.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: October 13, 1981
    Assignee: The Procter & Gamble Company
    Inventors: Frederick E. Hardy, Barry Stoddart