@misc{LauthMuellerHoelderich2007,
  author    = {Jakob Lauth and Ulrich M{\"u}ller and Wolfgang Hoelderich},
  title     = {Preparation of aluminophosphates and silicoaluminophosphates having the AEL structure using 1,2-bis-( 4-pyridyl)-ethane : United States Patent ; patent number 5,324,493 ; date of patent: Jun. 28, 1994 / assignee: BASF Aktiengesellschaft. Inventors: Ulrich Mueller ; Wolfgang Hoelderich ; Guenter Lauth},
  institution = {Fachbereich Chemie und Biotechnologie},
  type      = {patent},
  pages     = {6 S. : Ill.},
  year        = {2007},
}