Patents by Inventor David Lincoln

David Lincoln 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).

  • Fluoroaluminate AlF.sub.4 compounds
    Patent number: 5986023
    Abstract: Fluoroaluminate compounds of formula M.sup.+n (AlF.sub.4)n.sup.- wherein n is 1 to 3 and M.sup.+n is N(R.sub.2).sub.4, P(R.sub.2).sub.4, As(R.sub.2).sub.4, HN(R.sub.2).sub.3, H.sub.2 N(R.sub.2).sub.2, H.sub.3 N(R.sub.2), (R.sub.2).sub.3 P.dbd.N.dbd.P(R.sub.2).sub.3, S[N(R.sub.2).sub.2 ].sub.3, ##STR1## (R.sub.2)NCN(R).sub.2, (R).sub.2 N--(C(R).sub.2).sub.k --N(R).sub.3, and ZH.sub.m.sup.+m wherein Z is a base capable of accepting m protons, and various cyclic and aryl groups are disclosed as well as processes for their preparation.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: November 16, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Leslie Harlow, Norman Herron, David Lincoln Thorn
  • Vanadium catalysts and their precursors
    Patent number: 5932746
    Abstract: Readily processible cluster compositions of vanadium and phosphorus are precursors to vanadium-phosphorus catalysts including vanadyl pyrophosphate and vanadylbis(metaphosphate).
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: August 3, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Norman Herron, David Lincoln Thorn
  • Fluoroaluminate (AlF.sub.4) compounds
    Patent number: 5681953
    Abstract: Fluoroaluminate compounds of formula M.sup.+n (AlF.sub.4).sub.n.sup.- wherein n is 1 to 3 and M.sup.+n is N(R.sub.2).sub.4, P(R.sub.2).sub.4, As(R.sub.2).sub.4, HN(R.sub.2).sub.3, H.sub.2 N(R.sub.2).sub.2, H.sub.3 N(R.sub.2), (R.sub.2).sub.3 P.dbd.N.dbd.P(R.sub.2).sub.3, S?N(R.sub.2).sub.2 !.sub.3, ##STR1## (R).sub.2 N--(C(R).sub.2).sub.k --N(R).sub.3, and ZH.sub.m.sup.+m wherein Z is a base capable of accepting m protons, and various cyclic and aryl groups are disclosed as well as processes for their preparation.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: October 28, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Richard Leslie Harlow, Norman Herron, David Lincoln Thorn