CH294487A
(en )
1953-11-15
Process for manufacturing semiconductor elements.
CH269799A
(en )
1950-07-31
Process for the production of artificial structures such as fibers, threads, tapes, films, casings, etc.
CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH282375A
(en )
1952-04-30
Process for the preparation of organohalosilanes.
CH292033A
(en )
1953-07-31
Process for the manufacture of spinnerets.
CH276858A
(en )
1951-07-31
Process for manufacturing balloon catheters, probes, etc.
CH272887A
(en )
1951-01-15
Saw, as well as method of making the same.
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
CH275795A
(en )
1951-06-15
Process for the preparation of organohalosilanes.
CH310646A
(en )
1955-10-31
Process for the preparation of 3- (p-oxy-phenyl) -6-carboxy-1,6-dimethyl-cyclohexane.
CH289374A
(en )
1953-03-15
Process for the production of saturated terpene aldehydes.
CH298055A
(en )
1954-04-15
Process for the preparation of 1-phenyl-1-pyridyl- (2 ') -3-N-pyrolidino-propane-p-aminosalicylate.
AT177713B
(en )
1954-02-25
Process for the production of steam-hardened, porous artificial stones
CH284350A
(en )
1952-07-31
Process for the manufacture of spinnerets.
CH285134A
(en )
1952-08-31
Process for the preparation of bis (p-acyl-aminobenzenesulfonyl) -4-amino-2,6-dimethyl-pyrimidines.
CH296479A
(en )
1954-02-15
Process for the preparation of an anti-coagulant 3,3'-carbalkoxymethylene-bis- (4-oxycoumarin).
CH293705A
(en )
1953-10-15
Process for the production of phosphoric acid.
CH281752A
(en )
1952-03-31
Process for the preparation of 1,4-diketo-5-methyl-1,4,5,8,9,10-hexahydro-naphthalene.
CH266997A
(en )
1950-02-28
Process for the preparation of 3,4-dimethyl-5-phenyl-2-imino-thiazolidine.
CH274521A
(en )
1951-04-15
Process for the preparation of 2-phenyl-3,4,5,6-tetrahydrobenzoic acid.
CH282223A
(en )
1952-04-15
Process for the production of quinazoline compounds.
CH287259A
(en )
1952-11-30
Shot as well as method and apparatus for making same.
AT172944B
(en )
1952-10-25
Process for the production of moldings, in particular fiberboard
CH296831A
(en )
1954-02-28
Process for the preparation of cyclic 1- (3 ', 4'-dioxyphenyl) -2- (a-methyl-y-phenyl-propylamino) -propanol- (1).
CH296592A
(en )
1954-02-28
Process for the production of underwater concrete.