Patents by Inventor Seyferth Dietmar

Seyferth Dietmar 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).

  • Lewis base adducts of decarborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers
    Patent number: 5026809
    Abstract: Preceramic polymers formed by reacting B.sub.10 H.sub.14-n R.sub.n, (where R is a lower alkyl group having from 1 to about 8 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 3 to about 8 carbon atoms, a substituted or unsubstituted lower alkenyl group having from 2 to about 8 carbon atoms, or a substituted or unsubstituted lower aryl group having from 6 to about 10 carbon atoms, and n is a number from zero to about six) with a diamine of the formulaR.sup.1 R.sup.2 N--(E).sub.q --NR.sup.4 R.sup.5,where R.sup.1, R.sup.2, R.sup.4 and R.sup.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: June 25, 1991
    Assignee: Massachusetts Institute of Technology
    Inventors: Seyferth Dietmar, William S. Rees, Jr.