TY  - PAT
A1  - Berndt, Heinz
A1  - Höcker, Hartwig
A1  - Kuropka, Rolf
A1  - Kinkel, Joachim
T1  - Silane coated inorganic materials for chromatography : United States Patent
Y1  - 1991
PB  - [The United States Patent and Trademark Office]
CY  - [Alexandria, VA u.a.]
ER  -