Verfahren zur Herstellung von 3-Ketobutyraldehydacetalen

申请公布号：DE881941(C)

申请号：DE1951C004700

申请日期：1951.09.15

申请公布日期：1953.07.06

申请人：

CHEMISCHE WERKE HUELS G.M.B.H.

发明人：FRANKE WALTER DR.;KRAFT RICHARD DR.

分类号：C07C45/51;C07C49/175

主分类号：C07C45/51

Protective housing for electronic construction unit

Pressing device

Silicate, borate and nitrate free antifreeze concentrate and refrigerant comprising said antifreeze

Transition metal compound

Wireless alarm system with remote alarm receipt

Flow retarder for a rinsing station

Inductive acceleration sensor

Process for preparation of essentially salt free condensation products

Process for producing hydrophilic hydrogels having a high swelling capacity

Protective gear for vessels of railroad cars, especially for tank cars or closed bulk freight wagons

Sleeve attachment for soft laser appliance with interchangeable tips

Memory cell

Drag-producing aerodynamic device

METHOD AND APPARATUS FOR SEPARATING NON-SOLUBLE PARTICLES FROM A LIQUID

OPTICAL NETWORK

COMPOSITE PIEZOELECTRIC MULTILAYER ELEMENT AND METHOD OF MANUFACTURING SUCH AN ELEMENT

EXHAUST VALVE MECHANISM IN AN INTERNAL COMBUSTION ENGINE

Functional surfaces for chemical reactions and process for the preparation thereof

PROCESS FOR GLUCAN PREPARATION AND THERAPEUTIC USES OF GLUCAN

Filled food product based on processed cheese