Patents by Inventor Laut Bernhard

Laut Bernhard 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).

  • Aqueous belt lubricant composition based on fatty alkyl propylene tettramines and fatty alcohol polyglycol ethers and method for lubricating belt conveyor systems
    Patent number: 5900392
    Abstract: An aqueous belt lubricant composition comprising water and from 1.0 to 10 wt % of at least a fatty alkyl propylene tetramine, from 1.0 to 10 wt % of at least a fatty alcohol polygylcol ether, all percentages are based on the total weight of the aqueous belt lubricant composition, and at least one acid in an amount sufficient to establish a pH value between about 5.0 and about 7.0. The composition may further comprising one or more of alkoxylated fatty alkyl monoamines, alkoxylated fatty alkyl diamines and/or a solutizer.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: May 4, 1999
    Assignee: Loeffler Chemical Corporation
    Inventor: Laut Bernhard