Patents by Inventor Zara M. Kavnatsky

Zara M. Kavnatsky 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).

  • Paint compatible lubricant composition
    Patent number: 5132032
    Abstract: A lubricant composition for use in metal-forming operations is compatible with aqueous-based paint baths and includes an oil having dissolved therein an ester derived from a C.sub.1 -C.sub.5 alcohol and a C.sub.10 -C.sub.25 acid. The ester is typically a methyl or ethyl ester and is present in weight concentrations of up to 30%. One specific pre-lubricant composition includes methyl oleate as the ester. The composition may further include corrosion inhibitors, antioxidants, lubricity builders and the like.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: July 21, 1992
    Assignee: Diversified Chemical Technologies, Inc.
    Inventor: Zara M. Kavnatsky
  • Paint compatible pre-lubricant
    Patent number: 5021172
    Abstract: A pre-lubricant composition for use in metal-forming operations is compatible with aqueous-based paint baths and includes an ester of C.sub.1 -C.sub.5 alcohol and a C.sub.5 -C.sub.25 acid in an oil base. The ester is typically a methyl ester and is present in weight concentrations of up to 30%. One specific pre-lubricant composition includes methyl oleate as the ester. The composition may further include corrosion inhibitors, antioxidants, lubricity builders and the like.
    Type: Grant
    Filed: December 1, 1989
    Date of Patent: June 4, 1991
    Assignee: Diversified Chemical Technologies, Inc.
    Inventors: Zara M. Kavnatsky, Tsae S. Chen