Patents Examined by Raj Bawa, Ph.D.
  • Foam boosting of hair shampoo compositions
    Patent number: 5723111
    Abstract: Oxyethylene functional organosilane compounds are used as foam boosters in hair shampoo compositions. The oxyethylene functional organosilane compounds having the formula RSiR'.sub.3 in which R is the radical --O(CH.sub.2 CH.sub.2 O).sub.x R"; R' is an R group or an alkyl group having one to six carbon atoms; R" is an endblocking radical such as hydrogen, an alkyl group having one to six carbon atoms, or an aryl group; and x is an integer having a value of six to thirty.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: March 3, 1998
    Assignee: Dow Corning Corporation
    Inventors: David Alan Glover, Linda Moy Madore
  • Polymeric compositions useful as controlled release implants
    Patent number: 5702716
    Abstract: The invention is directed to an improved system for controlled release of biologically active materials and to a liquid composition for its formation. The liquid composition is composed of a thermoplastic polymer, rate modifying agent, bioactive material and organic solvent. The liquid composition is capable of forming a biodegradable and/or bioerodible microporous, solid polymer matrix. The matrix is useful as an implant in patients (humans and animals) for delivery of biologically active substances to tissues or organs.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: December 30, 1997
    Assignee: Atrix Laboratories, Inc.
    Inventors: Richard L. Dunn, Arthur J. Tipton
  • Fragrance-containing cosmetic gelatin capsule
    Patent number: 5670159
    Abstract: Fragrances in soft gelatin capsules are disclosed. The desired fragrance is dissolved in a solvent system comprising a volatile solvent, a non-volatile cosolvent, or a combination of a volatile solvent and a non-volatile cosolvent or cosolvents. The resulting solution is then encapsulated by soft gelatin shell prepared with an odor-free, glycerol free gelatin plasticized with a partially dehydrated, hydrogenated glucose syrup.
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: September 23, 1997
    Assignee: R.P. Scherer Corporation
    Inventors: Frank S. S. Morton, Pilar P. Duque, Timothy B. Chiprich, Norman S. Stroud