Patents by Inventor Manfred Boldt

Manfred Boldt 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).

  • Polymer-bound cyclopentadiene metal carbonyl compounds and their ligand substitution derivatives
    Patent number: 4361497
    Abstract: Polymeric catalysts containing groups of the general formula: [--(C.sub.5 R.sub.4)Me(CO).sub.x L.sub.y ].sub.z, wherein (C.sub.5 R.sub.4) is a sustituted or unsubstituted cyclopentadiene group; Me is a transition metal; and L is alkyl or aryl phosphine, alkyl phosphite, nitrosyl, allyl, SnCl.sub.3, halogen or hydrogen. Such groups are bound to polymeric carriers such as polystyrene-based copolymers, silica gel or silicate glass. Processes for preparing such catalysts and methods for their use are also disclosed.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: November 30, 1982
    Assignee: Hans H. Brintzinger
    Inventors: Manfred Boldt, Giuseppe Gubitosa, Hans H. Brintzinger, Ferdinand Wild