Patents by Inventor Helmut Alt

Helmut Alt 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).

  • Publication number: 20050274647
    Abstract: A catalyst comprising at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals and combinations thereof, an organic compound, and a solid acid and a method of making said catalyst is disclosed. The catalyst can be used in a hydrocarbon conversion process.
    Type: Application
    Filed: June 12, 2004
    Publication date: December 15, 2005
    Inventors: Ingrid Boehmer, M. Welch, Roland Schmidt, Bruce Randolph, Helmut Alt
  • Publication number: 20050277799
    Abstract: A catalyst comprising a 1) complex comprising: a) at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals, and combinations thereof, b) a compound having the formula R3X wherein R is selected from the group consisting of hydrogen, an alkyl, an alkenyl, an alkynyl, cycloalkyls, cycloalkenyls, cycloalkynyls, aryls, substituted aryls, and substituted organic compounds and wherein X is a Group 15 element selected from the group consisting of nitrogen, phosphorus, arsenic, antimony and bismuth; and 2) support component comprising a silicon-containing compound and a method of making said catalyst, is disclosed. The catalyst is then used to dehydrogenate hydrocarbons in a dehydrogenation reaction zone under dehydrogenation reaction conditions.
    Type: Application
    Filed: June 12, 2004
    Publication date: December 15, 2005
    Inventors: Ingrid Boehmer, M. Welch, Roland Schmidt, Bruce Randolph, Helmut Alt
  • Patent number: 6358876
    Abstract: The invention relates to particles comprises of organopolysiloxane microgel particles having a diameter of 5 to 200 nm and organo-aluminum compounds immobilized thereon. The particles can be used as cocatalysts together with metal compounds of the 4, 5, 6 and 8-10 sub-groups of the periodic table for oligomerization, cyclization of polymerization of olefins.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: March 19, 2002
    Assignee: Wacker-Chemie GmbH
    Inventors: Helmut Alt, Frank Baumann, Johann Weis, Alexander Köppl