@misc{LauthDingerdissenHenne1998,
  author    = {Lauth, Jakob and Dingerdissen, Uwe and Henne, Andreas},
  title     = {Preparation of amines : United States Patent ; patent number 5,817,871 ; date of patent: Oct. 6, 1998 / Assignee: BASF Aktiengesellschaft. Inventors: Uwe Dingerdissen ; Gunter Lauth ; Andreas Henne ....},
  publisher = {[United States Trademark and Patent Office]},
  address   = {[Alexandria, VA]},
  pages     = {6 S. : Ill.},
  year      = {1998},
  language  = {en}
}
@misc{LauthWolfBurkhart1998,
  author    = {Lauth, Jakob and Wolf, Gerhard and Burkhart, Bernd},
  title     = {Preparation of alkoxylation products in the presence of mixed hydroxides modified with additives : United States Patent ; patent number 5,741,947 ; date of patent: Apr. 21, 1998 / assignee: BASF Aktiengesellschaft. Inventors: Gerhard Wolf ; Bernd Burkhart ; Guenter Lauth ...},
  publisher = {[United States Trademark and Patent Office]},
  address   = {[Alexandria, VA]},
  pages     = {8 S.},
  year      = {1998},
  language  = {en}
}