Patents by Inventor Vaclav Krob

Vaclav Krob 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: 4637894
    Abstract: The present invention relates to an activator of peroxo compounds, its method of manufacture, and its method of use. The activator is useful as an additive to textile cleansing and disinfecting agents that contain peroxo compounds. The invention permits the bleaching and disinfecting of textiles at temperatures between 25.degree. C. and 60.degree. C.The activator comprises a combination of the following compounds, by weight: (a) phthalic anhydride (4-98%); (b) N-acetylphthalimide (2-96%); (c) phthalimide (0.1-28%); (d) stabilizer (0.2-25%) and/or (e) soluble polymer (0.2-12%); wherein the stabilizer is an aliphatic carboxylic acid having from 12-22 carbon atoms, the polymer is soluble in water or in organic solvents, and the particle size of the final activator composition is from 0.1 to 3.5 mm.
    Type: Grant
    Filed: February 28, 1985
    Date of Patent: January 20, 1987
    Assignee: Tukovy Prumysl, Koncern
    Inventors: Jan Smidrkal, Jaroslav Simunek, Jiri Tolman, Jiri Soucek, Alois Novacek, Jan Novak, Vaclav Krob, Pavel Kovar, Miroslav Klofec, Bohumir Vondracek
  • Patent number: 3989634
    Abstract: This invention relates to a detergent containing a tenside which evidences an activating power which is distinct from the common properties of surface-active agents. More particularly, the present invention relates to a detergent containing a tenside which manifests the ability to form complex compounds with metal cations.
    Type: Grant
    Filed: August 12, 1974
    Date of Patent: November 2, 1976
    Assignee: Tukovy prumysl, oborove reditelstvi
    Inventors: Karel Prochazka, Jan Novak, Jaroslav Simunek, Vlastimil Peterka, Vaclav Krob