Patents by Inventor Alan David Willey

Alan David Willey 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: 5998350
    Abstract: The present invention relates to bleaching and detergent compositions comprising conventional detergent ingredients, bleaching systems with one or more bleach activators. Preferred bleaching activators are amido-derived bleach activators and/or N-acyl caprolactam bleach activators. The invention also relates to methods of using the detergent compositions.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: December 7, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Michael Eugene Burns, Alan David Willey, Jerome Howard Collins, Richard Timothy Hartshorn, Chanchal Kumar Ghosh
  • Patent number: 5990066
    Abstract: Liquid hard-surface cleaning compositions are disclosed which provide excellent gloss to the surfaces cleaned therewith. The compositions comprise a surfactant, a carboxylate-containing polymer, and a divalent counterion in a molar ratio of carboxylate-containing monomeric units in said polymer to said divalent counterion of from about 12:1 to 1:32.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: November 23, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Neil James Gordon, Vincent Reniers, Alan David Willey
  • Patent number: 5916481
    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.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: June 29, 1999
    Assignee: The Procter & Gamble Company
    Inventor: Alan David Willey
  • Patent number: 5902782
    Abstract: Detergent compositions comprising polyamino acid compounds and salts thereof are provided. More particularly, detergent compositions containing a polyamino acid compound/protein particle comprising at least one polyamino acid compound coated with at least one protein, detergent compositions containing a polyamino acid compound/protein particle comprising at least one protein coated with at least one polyamino acid compound, and detergent compositions containing a polyamino acid compound/protein agglomerate are provided. The polyamino acid compound/protein particle and/or agglomerate resists degradation of the polyamino acid compound.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: May 11, 1999
    Assignee: Procter & Gamble Company
    Inventors: Robin Gibson Hall, Alan David Willey
  • Patent number: 5879409
    Abstract: Bleach-additives and bleaching compositions comprising glycine anhydride activators are provided. The activators have the general formulas of: ##STR1## wherein R.sub.1 and R.sub.2 can be the same or different and are a substituted or unsubstituted C.sub.1 -C.sub.9 alkyl or aryl residue; or ##STR2## where n is 0 to 50, R.sub.3 is a linear or branched alkyl, aryl, or alkaryl or arylalk with C.sub.1 -C.sub.25, --H, --OH, --OR.sub.5, --COOM, or SO.sub.3 M, where M is H or alkali metal or alkaline earth metal; R.sub.4 is a linear or branched alkylene, arylene, or alkylarylene or arylalkylene with C.sub.1 -C.sub.25 ; and, R.sub.5 is a linear or branched alkyl, aryl, or alkaryl or arylalk with C.sub.1 -C.sub.25. The compositions display low soil resistivity and are formulated to provide in-use pH values of from 7 to about 9.5. Additional ingredients may include detersive surfactants, emulsifiers, chelants, and nonsoap pH reducing ingredients. Both granular and liquid compositions are provided.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: March 9, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Kevin Lee Kott, Alan David Willey
  • Patent number: 5759439
    Abstract: The present invention relates to aqueous, acidic compositions comprising a peroxygen bleach and a specific fabric protection agent. The present invention further encompasses a process for pretreating soiled fabrics whereby the loss of tensile strength in said fabric is reduced and the color/dye damage of said fabric is reduced.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: June 2, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Kevin Lee Kott, Patti Jean Kellett, Valentina Masotti, Stefano Scialla, Alan David Willey
  • Patent number: 5753138
    Abstract: Bleaching detergent compositions comprising particular bleach activators are provided. Excellent bleaching is secured through the selection of bleach activators which operate successfully under mildly alkaline washing conditions or in the presence of reduced levels of hydrogen peroxide.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: May 19, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Randall Alan Watson, Kevin Lee Kott, Alan David Willey, Gregory Scot Miracle, James Charles Theophile Roger Burckett-St. Laurent
  • Patent number: 5726139
    Abstract: Aqueous, liquid hard surface detergent compositions having improved cleaning and good filming/streaking characteristics contain an amine oxide polymer at critical levels. Preferred formulas contain an amount of PVNO effective to provide an improvement in spotting/filming after at least three rewettings of the glass; hydrophobic solvent; detergent surfactant selected from the group consisting of anionic surfactants, amphoteric detergent surfactants including zwitterionic surfactants; and mixtures thereof; and the balance being an aqueous solvent system comprising water and, optionally, non-aqueous polar solvent.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: March 10, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Alan David Willey, Ronald Anthony Masters, Michael Stephen Maile
  • Patent number: 5713962
    Abstract: A process of bleaching fabrics is disclosed where a liquid or pasty composition comprising acetyl triethyl citrate and a source of hydrogen peroxide is applied to fabrics before they are immersed in an aqueous wash liquor.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: February 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Stefano Scialla, Raffaele Scoccianti, Andrea Soddu, Alan David Willey
  • Patent number: 5686401
    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
  • Patent number: 5686015
    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
  • Patent number: 5679661
    Abstract: Low hue photo disinfecting 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.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: October 21, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Alan David Willey
  • Patent number: 5677272
    Abstract: The invention herein provides bleaching compositions comprising a protease enzyme which is a carbonyl hydrolase variant having an amino acid sequence not found in nature, which is derived by replacement of a plurality of amino acid residues of a precursor carbonyl hydrolase with different amino acids, wherein said plurality of amino acid residues replaced in the precursor enzyme correspond to position +76 in combination with one or more of the following residues: +99, +101, +103, +104, +107, +123, +27, +105, +109, +126, +128, +135, +156, +166, +195, +197, +204, +206, +210, +216, +217, +218, +222, +260, +265, and/or +274, where the numbered positions corresponds to naturally-occurring subtilisin from Bacillus amyloliquefaciens or to equivalent amino acid residues in other carbonyl hydrolases or subtilisins (such as Bacillus lentus subtilisin) and a bleaching agent.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: October 14, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Chanchal Kumar Ghosh, Michael Eugene Burns, David Neil DiGiulio, Edward Eugene Getty, Richard Timothy Hartshorn, Alan David Willey, Philip F. Brode, Bobby L. Barnett, Donn N. Rubingh
  • Patent number: 5654421
    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
  • Patent number: 5652311
    Abstract: The present invention relates to a process for the N-oxidation of polyamine polymers comprising treating said polyamine polymers with an effective amount of hydrogen peroxide in an aqueous or partly aqueous solution in the presence of heavy metal ion sequestrant and a metal oxide catalyst selected from tungstate, molybdate and vanadate.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: July 29, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Frederick Edward Hardy, Geoffrey William Rowland, Alan David Willey
  • Patent number: 5641739
    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.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: June 24, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Kevin Lee Kott, Alan David Willey