PT67232A
(en )
1977-12-01
Chemical process
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
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
GB2058764B
(en )
1983-09-07
Process for concentrating aqueous urea solutions
ZA77275B
(en )
1977-11-30
Improvement in the purification of an aqueous solution of acrylamide
JPS5318516A
(en )
1978-02-20
Urea sinthesizing 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
JPS51128916A
(en )
1976-11-10
Process for regenerating urea waterrsolution
JPS5384918A
(en )
1978-07-26
Process for preparing urea solution from nh3 and co2
PH13283A
(en )
1980-02-29
Stabilized aminophyline solution and process thereof
ZA765879B
(en )
1977-09-28
Improvement in the manufacture of cyanuric acid
JPS5271419A
(en )
1977-06-14
Process for manufacturing nnmethyl urea
GB1551588A
(en )
1979-08-30
Process for the redcuction of the concentration of nitrichoxide in waste gases by ultra-violet iraudiation
BE825256A
(en )
1975-08-06
PROCESS FOR THE ELIMINATION OF AMMONIA, IN PARTICULAR COKERY AMONIA
ZA743136B
(en )
1975-08-27
Process for reducing the biuret content in urea
JPS5352291A
(en )
1978-05-12
Removal process for nox in sulfuric acid