Patents by Inventor Annika Akerman

Annika Akerman 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).

  • Freeflowing alkaline detergent, and agents for the preparation thereof
    Patent number: 5395543
    Abstract: A particulate alkaline detergent contains an alkaline agent and an alkali perborate hydrate and/or an alkali carbonate peroxohydrate as bleaching agent. As a result of coating at least the alkaline agent or the bleaching agent with an alkyl glycoside or an alkyl glycamide, the detergent has a low tendency to caking as well as excellent cleaning capacity. The alkyl glycoside is a C.sub.6 -C.sub.10 -alkyl glycoside having a degree of polymerization of 1-4, and the alkyl glycamide has formula (I), wherein R.sub.1 is hydrogen or an alkyl group having 1-4 carbon atoms, and R.sub.2 is an alkyl group having 6-10 carbon atoms. A bleaching agent and an alkaline agent coated with the alkyl glycoside and/or the alkyl glycamide are also disclosed.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: March 7, 1995
    Assignees: Berol Nobel AB, Eka Nobel AB
    Inventors: Ingegard Johansson, Hans Lagnemo, Catarina Nordstrom-Lang, Annika Akerman