CH396850A
(en )
1965-08-15
Process for the regeneration of phthalocyanine catalysts
AT242366B
(en )
1965-09-10
Process for the surface treatment of oxymethylene polymers
CH479534A
(en )
1969-10-15
Process for purifying 1-aminoadamantane
AT258932B
(en )
1967-12-27
Method and device for the production of urea
CH453579A
(en )
1968-06-14
Process for the purification or enrichment of interferon
AT250124B
(en )
1966-10-25
Process for cleaning or passivating metal surfaces
AT254796B
(en )
1967-06-12
Process for the regeneration of cation-exchange resins
AT239206B
(en )
1965-03-25
Process for purifying glycols
AT256865B
(en )
1967-09-11
Process for the production of urea
CH454327A
(en )
1968-04-15
Process for purifying hydrocarbons
CH423749A
(en )
1966-11-15
Process for the production of substituted ureas or thioureas
CH454115A
(en )
1968-04-15
Process for the production of urea
AT232000B
(en )
1964-02-25
Process for reducing or eliminating the biuret content of urea
AT344723B
(en )
1978-08-10
METHOD FOR REDUCING THE BIURET CONTENT OF UREA
CH399479A
(en )
1965-09-30
Process for purifying polymyxins
AT247361B
(en )
1966-06-10
Process for the production of urea with a low biuret content
AT277738B
(en )
1970-01-12
PROCESS FOR THE MANUFACTURING OF FEED AND FERTILIZERS
CH433244A
(en )
1967-04-15
Process for the production of urea
CH439253A
(en )
1967-07-15
Process for the partial dehalogenation of di- and / or trihaloacetic acid
CH420048A
(en )
1966-05-31
Process for the finishing of textiles
CH420612A
(en )
1966-09-15
Process for the stabilization of polyacetals
CH416592A
(en )
1966-07-15
Process for purifying formaldehyde
AT248685B
(en )
1966-08-10
Process for purifying polyolefins
CH455740A
(en )
1968-05-15
Process for the production of urea
AT249085B
(en )
1966-09-26
Process for the production of ammonium nitrite solutions