Patents by Inventor Aivars I. Vimba

Aivars I. Vimba 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).

  • Liquid fabric softener colored pink
    Patent number: 4897208
    Abstract: Liquid fabric softening compositions for use in a rinse bath after washing fabrics with a detergent. The softening compositions contain certain specific oil-soluble light-stable red dyes and pigments as colorants at levels which provide a pink color. The colorants are difficult to incorporate and require better mixing than water-soluble dyes.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: January 30, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Errol H. Wahl, Aivars I. Vimba
  • Liquid fabric softener comprising light-unstable red dye in protective package
    Patent number: 4844820
    Abstract: Liquid fabric softening composition for use in a rinse bath after washing fabrics with a detergent. The softening composition has a pH of less than about 7 and contains light-unstable red dyes especially D&C Red #28, to provide a pink color, the softening composition being packaged in a container that protects the dye from light. Light destroys the dye on fabrics, equipment, etc. to avoid dye build-up.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: July 4, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Heidi A. Piper, Errol H. Wahl, Aivars I. Vimba
  • Liquid fabric softener with stable non-staining pink color
    Patent number: 4822499
    Abstract: Liquid fabric softening compositions for use in a rinse bath after washing fabrics with a detergent. The softening compositions have a pH of less than about 7 and contain certain specific light-stable dyes at levels which provide a pink color.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: April 18, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Errol H. Wahl, Aivars I. Vimba