DE3464130D1
(en )
1987-07-16
Method for purification of sulfuric acid solution
HUT42051A
(en )
1987-06-29
Process for producing certain enanthiomere pairs of alpha-cyano-3-phenoxy-4-fluoro-benzyl-ester of permetrinic acid
DE3661732D1
(en )
1989-02-16
Process for producing 4-biphenylylacetic acid
HUT41774A
(en )
1987-05-28
Process for producing thiazolidine-carboxylic acid
GR862276B
(en )
1987-01-02
Improved process for tetrafluorobenzoic acid
GB2179353B
(en )
1989-07-12
A method of purifying l-ascorbic acid
YU141886A
(en )
1987-10-31
Process for producing l-ascorbinic acid
EP0248541A3
(en )
1989-06-07
Improved process for separation of acid gases
GB2179354B
(en )
1989-01-18
A method of purifying l-ascorbic acid
IL67730A0
(en )
1983-05-15
Method of purifying wet process phosphoric acid
HUT40449A
(en )
1986-12-28
Process for preparing vinyl-benzyl-esters of phosphoric acid
EP0174844A3
(en )
1987-05-27
Method for production of alpha-aryl-alkanoic acid
HU206711B
(en )
1992-12-28
Process for producing esters of dihydrolyzergic acid
ZA859381B
(en )
1986-08-27
Process for dearsenifying phosphoric acid solutions
PL253354A1
(en )
1986-12-30
Method of purifying phosphoric acid by extraction
PL138699B2
(en )
1986-10-31
Method of purification of extraction phosphoric acid
BG39363A1
(en )
1986-06-16
Method for manufacture of extraction phosphoric acid
PL255951A2
(en )
1986-09-23
Method of obtaining the extraction phosphoric acid by hemihydrate-dihydrate process
PL243807A2
(en )
1984-08-13
Method of purification of extraction phosphoric acid
PL243808A2
(en )
1984-08-13
Method of purification of extraction phosphoric acid
IL81585A0
(en )
1987-09-16
Process for making crude phosphoric acid
PL250083A2
(en )
1985-08-27
Method of extractive purification of phosphoric acid
BG42238A1
(en )
1987-11-14
Method for manufacture of extraction phophorous acid
SU1175937A1
(en )
1985-08-30
Method of purifying complete ethers of phosphoric acid
ZA861099B
(en )
1986-10-29
Process for making wet-process phosphoric acid