Patents by Inventor Phillip E. Sokol

Phillip E. Sokol 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: 4288427
    Abstract: This invention deals with novel sulfated copolymers of hydroxyethyl methacrylate and alkyl esters of acrylic acid and sulfated copolymers of hydroxyethyl acrylate and alkyl esters of methacrylic acid. The copolymers are useful as components in aqueous hair shampoo systems to provide an after-shampoo conditioning effect.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: September 8, 1981
    Assignee: The Gillette Company
    Inventors: Robert F. Farmer, III, Phillip E. Sokol, deceased
  • Patent number: 4234475
    Abstract: Surface active agents are made by heating at 210.degree. to 260.degree. C. a mixture of a protein with an organic carboxylic acid at a ratio of one to ten equivalent weights of protein to one of acid. The mixture is preferably heated in an atmosphere of oxygen-free gas inert to the mixture. An inert solvent may be present.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: November 18, 1980
    Assignee: The Gillette Company
    Inventor: Phillip E. Sokol
  • Patent number: 4202652
    Abstract: Ink compositions for use in capillary type writing instruments containing amide compounds of the formula: ##STR1## wherein R.sub.1 is --H, --CH.sub.3, or --NH.sub.2 when R.sub.2 is --(CH.sub.2).sub.2 OH and R.sub.3 is --H or --(CH.sub.2).sub.2 OH, and --NH.sub.2 when R.sub.2 and R.sub.3 are --H,R.sub.4 is --H, --CH.sub.3, or --NH.sub.2, andn is 0,1, or 2.These ink compositions, when used in capillary type writing instruments, allow rejuvenation of writing points which have dried out from exposure to the atmosphere.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: May 13, 1980
    Assignee: The Gillette Company
    Inventor: Phillip E. Sokol
  • Patent number: 4198445
    Abstract: This invention relates to materials and methods used in informational, testing, educational, amusement and other paper-based feedback systems embodying invisible images comprising a color-forming reactant material which can be rendered temporarily visible by the application of a coreactant. The systems may also include visible printed images and are suitable for multiple reuse.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: April 15, 1980
    Assignee: The Gillette Company
    Inventors: Phillip E. Sokol, Robert F. Farmer
  • Patent number: 4188431
    Abstract: This invention relates to alkali developable, paper-based systems printed with invisible phenolphthalein inks and made reusable through many development cycles by employing critical concentrations of dye reactants in conjunction with a paper having a defined water soluble acidity-alkalinity.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: February 12, 1980
    Assignee: The Gillette Company
    Inventors: Phillip E. Sokol, Robert F. Farmer
  • Patent number: 4182612
    Abstract: A new class of water soluble cationic dyes especially useful in the rapid dyeing of hair prepared by the covalent reaction of visibly colored optical chromophores with selected polymeric backbones containing at least one primary, secondary, or tertiary amino group per repeating unit.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: January 8, 1980
    Assignee: The Gillette Company
    Inventors: Phillip E. Sokol, Hu-Chu Tsai
  • Patent number: 4171983
    Abstract: Ink compositions for use in capillary type writing instruments containing quaternary ammonium of the formula:RCH.sub.2 N(CH.sub.3).sub.3.sup.+ X.sup.-whereinR is --CH.sub.2 OH or --COOH, andX is --OH, --Cl, --Br, or --I.These ink compositions, when used in capillary type writing instruments, allow rejuvenation of writing points which have dried out from exposure to the atmosphere.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: October 23, 1979
    Assignee: The Gillette Company
    Inventors: Robert F. Farmer, III, Phillip E. Sokol
  • Patent number: 4027008
    Abstract: A hair treating composition containing, in addition to a bleach, a water soluble secondary or tertiary amine polymer or a polymer of diallylamine or a quaternary polymer of diallyldialkylammonium salts improves the surface characteristics of hair.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: May 31, 1977
    Assignee: The Gillette Company
    Inventor: Phillip E. Sokol
  • Patent number: 3986825
    Abstract: A hair treating composition containing, in addition to a hair coloring agent, a water soluble secondary or tertiary amine polymer or a polymer of diallylamine or a quaternary polymer of diallyldialkylammonium salts which improves the surface characteristics of hair.
    Type: Grant
    Filed: May 14, 1975
    Date of Patent: October 19, 1976
    Assignee: The Gillette Company
    Inventor: Phillip E. Sokol
  • Patent number: 3930854
    Abstract: Print contrast in zinc oxide-coated electrostatic copy paper is improved by the incorporation of small quantities of manganous chloride or manganous bromide.
    Type: Grant
    Filed: July 3, 1974
    Date of Patent: January 6, 1976
    Assignee: DeSoto, Inc.
    Inventors: Edgar L. Jones, Leonard Laskin, Phillip E. Sokol