Patents by Inventor August Hollerich

August Hollerich 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).

  • Defoaming agent
    Patent number: 4122032
    Abstract: Defoaming agent comprising(a) from 1 to 100 parts by weight of at least one alkali-metal salt of an oxy-acid of sulphur, nitrogen or phosphorus,(b) from 20 to 1 parts by weight of at least one aliphatic hydrocarbon or a derivative thereof of the group consisting of fatty acids, fatty acid salts, fatty acid amides, alcohols, amines, aldehydes and ketones,(c) from 0 to 5 parts by weight, based on 100 parts by weight of (a + b), additives and(d) from 0 to 1000 parts by weight, based on 100 parts by weight of (a + b), water.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: October 24, 1978
    Assignee: PWA Papierwerke Waldhof-Aschaffenburg Aktiengesellschaft
    Inventor: August Hollerich