Patents by Inventor Gerhard Wei?

Gerhard Wei? 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).

  • Antifreeze concentrates and coolant compositions based on polyglycols and amides for protecting magnesium and the alloys thereof
    Patent number: 7588695
    Abstract: Ready-to-use aqueous coolant compositions having alkylene glycols, glycerol and/or 1,3-propanediol and a) from 0.05 to 10% by weight, based on the total amount of the composition, of one or more polyethylene glycols and/or polypropylene glycols and b) from 0.01 to 10% by weight, based on the total amount of the composition, of one more carboxamides and/or sulfonamides are useful for inhibiting corrosion in the case of magnesium and magnesium alloys.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: September 15, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Gerhard Weiβ