CH127439A
(en )
1928-09-01
Process for the preparation of 1-amino-4-p-toluido-2-thiohydrinanthraquinone.
AT91369B
(en )
1923-02-26
Process for the preparation of condensation products from guaiacol or its homologues and formaldehyde.
AT104724B
(en )
1926-11-25
Process for the production of soluble, fusible condensation products from phenols and formaldehyde.
CH93297A
(en )
1922-03-01
Process for the preparation of a resinous condensation product from phenol and formaldehyde.
CH138324A
(en )
1930-02-28
Process for the preparation of condensation products by condensation of dimethylolurea or its derivatives.
AT131861B
(en )
1933-02-25
Process for the production of moldings from condensation products of urea or urea derivatives and formaldehyde or formaldehyde-releasing substances.
AT136669B
(en )
1934-02-26
Process for the preparation of formaldehyde.
AT107427B
(en )
1927-10-10
Process for the further processing of condensation products from carbamide or its derivatives with aldehydes.
AT112346B
(en )
1929-02-25
Process for the production of condensation products from urea or its derivatives and formaldehyde.
AT104707B
(en )
1926-11-25
Process for the preparation of light-colored, light- and air-resistant condensation products from phenols and formaldehyde.
AT107012B
(en )
1927-08-10
Process for the preparation of tetrazoles.
CH131726A
(en )
1929-02-28
Process for the preparation of N-w-aminoethyl-2-aminonaphthalene-6-carboxylic acid.
CH119882A
(en )
1927-04-16
Process for the preparation of 4-methylbenzoxazolone-6-arsic acid.
CH138315A
(en )
1930-02-28
Process for the preparation of para'-hydroxy-orthobenzoyl-benzoic acid.
CH139358A
(en )
1930-04-15
Process for the preparation of i-eugenol.
CH114282A
(en )
1926-04-01
Process for the preparation of 4-amino-3-oxybenzene-1-arsic acid.
AT121543B
(en )
1931-02-25
Method for the preparation of vanillin.
AT121426B
(en )
1931-02-25
Process for the preparation of detoxified agaric acid preparations.
CH107783A
(en )
1924-11-17
Process for the preparation of 2: 3: 4: 6-tetrachloroaniline.
AT107015B
(en )
1927-08-10
Process for the preparation of ester mixtures.
CH116755A
(en )
1926-09-16
Process for the preparation of normal amylresorcinol.
CH122188A
(en )
1927-09-01
Process for the preparation of sterile drug solutions.
CH117491A
(en )
1926-11-01
Process for the preparation of p-N-B-methoxyethylaminobenzoic acid-B-piperidinoethyl ester.
AT108105B
(en )
1927-11-25
Process for the preparation of mixtures.
AT114016B
(en )
1929-08-26
Process for the production of arsenic compounds.