Patents by Inventor Erich Boebers

Erich Boebers 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).

  • Foam-inhibiting additives in low-foam cleaning compositions: polyethylene glycol ethers
    Patent number: 4973423
    Abstract: Short-chain polyethlene glycol ethers corresponding to the formula:R.sup.1 --O--(CH.sub.2 CH.sub.2 O).sub.n --R.sup.2wherein:R.sup.1 is a linear or branched C.sub.6 -C.sub.18 alkyl or alkenyl radical,R.sup.2 is a C.sub.4 -C.sub.8 alkyl radical, andN is an integer of from 2 to 6,are used as foam-inhibiting additives for low-foam cleaning compositions.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: November 27, 1990
    Assignee: Ecolab Inc.
    Inventors: Juergen Geke, Erich Boebers, Gilbert Schenker, Robert Piorr, Karl-Heinz Schmid