@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{LauthDingerdissenTruebenbachetal.1997,
  author    = {Lauth, Jakob and Dingerdissen, Uwe and Tr{\"u}benbach, Peter and Steuerle, Ulrich},
  title     = {Preparation of aziridines : United States Patent ; patent number 5,693,825 ; date of patent: Dec. 2, 1997 / assignee: BASF Aktiengesellschaft. Inventors: Uwe Dingerdissen ; Gunter Lauth ; Peter Trubenbach ; Ulrich Steuerle},
  publisher = {United States Patent and Trademark Office},
  address   = {[Alexandria, VA]},
  pages     = {6 S. : Ill.},
  year      = {1997},
  language  = {en}
}