ZA776369B
(en )
1979-06-27
Catalyst and process for the production of ammonia
YU40729B
(en )
1986-04-30
Process for extractiong gallimum comprised in aqueous basic solutions
GB1538988A
(en )
1979-01-24
4-carbobenzoxy-piperazine-2-carboxylic acid and the salts thereof
NZ184269A
(en )
1978-06-20
Aqueous urea-and/or melamine-formaldehyderesin solutions:the concentration step done before resin formation
JPS5384938A
(en )
1978-07-26
Hydroxamic acid and process for preparing same
IL49300A
(en )
1979-05-31
Flexible integrated method for the production ammonia and urea
JPS52138486A
(en )
1977-11-18
Propanee1*33diphosphoric acid for treating water
JPS5312795A
(en )
1978-02-04
Regenerating process for sulfuric acid
JPS52129794A
(en )
1977-10-31
Process for producing acrylonitrileevinyl acetateestyrene terpolymers and terpolymers mixtures
JPS5291826A
(en )
1977-08-02
Diphosphonoalkanecarboxylic acid and manufacturing process therefor
EG11878A
(en )
1977-12-31
Process for the absorption of ammonia in acid solution or slurries
JPS5337575A
(en )
1978-04-06
Purification of aqueous solutions
GB1538651A
(en )
1979-01-24
Process for the production of 2-mercaptopyridine-1-oxides and salts thereof
JPS52125135A
(en )
1977-10-20
Process for orthooalkylating phenol in the presence of copperr zinccaluminum compound
GB2058764B
(en )
1983-09-07
Process for concentrating aqueous urea solutions
HU178305B
(en )
1982-04-28
Process for the purification of aqueous acrylamide solutions
IL51831A0
(en )
1977-06-30
Process for the purification and manufacture of secretin
ZA766216B
(en )
1977-09-28
Improvements in the purification of dilute sulphuric acid solutions
EG12892A
(en )
1980-03-31
Improvements in or relating to urea synthesis process
JPS5326295A
(en )
1978-03-10
Treating process for nitric acid
GR62543B
(en )
1979-05-07
Process for the absorption of ammonia in acid solutions or slurries
JPS5384918A
(en )
1978-07-26
Process for preparing urea solution from nh3 and co2
GR60264B
(en )
1978-04-20
Stable solutions and processes for their preparation
JPS5271419A
(en )
1977-06-14
Process for manufacturing nnmethyl urea
GB1553765A
(en )
1979-10-10
Stabilized aminophylline solution and process therefor