Patents by Inventor by Ute Lang nee Schindler, heir-at-law

by Ute Lang nee Schindler, heir-at-law 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).

  • Manufacture of pent-4-en-1-al
    Patent number: 4071563
    Abstract: Pent-4-en-1-al is manufactured by passing an acetaldehyde-acetal of the general formula ##STR1## where R is allyl or alkyl of 1 to 3 carbon atoms, in the gas phase and at from 350.degree. to 450.degree. C, over an active-surface catalyst.
    Type: Grant
    Filed: March 24, 1976
    Date of Patent: January 31, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Rudolf Kummer, Kurt Schwirten, Hans-Dieter Schindler, deceased, by Ute Lang nee Schindler, heir-at-law, by Rainer Schindler, heir-at-law