CH330477A
(en )
1958-06-15
Process for the production of terephthalic acid
AT250335B
(en )
1966-11-10
Process for purifying terephthalic acid
CH336057A
(en )
1959-02-15
Process for the continuous production of hydrofluoric acid
DE1270030C2
(en )
1973-07-19
METHOD FOR PURIFYING TEREPHTHALIC ACID
AT191250B
(en )
1957-08-10
Process for the regeneration of waste paper
CH326177A
(en )
1957-12-15
Process for the production of polyesters
AT196126B
(en )
1958-02-25
Process for purifying polyolefins
CH339215A
(en )
1959-06-30
Process for purifying amino acids
CH332804A
(en )
1958-09-30
Process for the production of terephthalic acid
AT187914B
(en )
1956-12-10
Process for purifying terephthalic acid
CH326537A
(en )
1957-12-31
Process for purifying nitric acid esters
AT195893B
(en )
1958-02-25
Process for the production of mixed oxides
AT187104B
(en )
1956-10-25
Process for the purification of lactams of the ω-aminocarboxylic acids
CH329710A
(en )
1958-05-15
Process for the preparation of solutions of permonosulfuric acid
AT186858B
(en )
1956-09-25
Process for the polycondensation of terephthalic acid glycol esters
AT187909B
(en )
1956-12-10
Process for purifying technical grade salicylamide
CH329365A
(en )
1958-04-30
Process for the production of isopropyl nitrate
AT193359B
(en )
1957-11-25
Process for the purification of raw lactams
AT197802B
(en )
1958-05-27
Process for the preparation of solutions of sulfomonoperic acid
AT187512B
(en )
1956-10-25
Process for stabilizing peroxymonosulphuric acid
CH322645A
(en )
1957-06-30
Process for the production of semi-pulp
AT197337B
(en )
1958-04-25
Process for the separation of molecules
AT186625B
(en )
1956-08-25
Process for the production of tetraacetals of butenedial
AT194845B
(en )
1958-01-25
Process for the production of terephthalic acid
AT183072B
(en )
1955-09-10
Process for the production of pure γ-hexachlorocyclohexane