Thermally stable chlorinated polymers - prepd. by soln. chlorination of polymer.
DE4229235A1
Prepn of 6-chloro-2-mercapto-benzoxazide - by reaction of 5-chloro-2-aminophenol with carbon di:sulphide in aq soln
DE4228811A1
Reducing frost damage to plants, esp. fruit trees - using quat. ammonium halide bactericide to combat ice-nucleating bacteria
DE4226427A1
5-Methoxy-2-amino-benzene-1-sulphonic acid prodn. for use as dyestuff intermediate - by conversion of a p-anisidine to mixt. of neutral and acid sulphate with sulphuric acid, then reaction with sulphamic acid
DE4222266A1
Prepn. of new phosphorylated N-tri:organo:silyl-amide in high yield - from corresp. unsubstituted amide and hexa:organo-di:silazane used as pesticide intermediate
DE4222265A1
Phosphorylated N-sulphinyl-amide prepn. in high yield - from corresp. N-tri:methyl-silyl amide and thionyl chloride, used as pesticide intermediate
DE4222056A1
Denture cleaner which is active at low temp. - contg. peroxide activator, sodium perborate, poly phosphate, sodium pyrophosphate, sodium bi:carbonate or surfactant, polyethylene glycol] and poly:carboxylate
DE4220766A1
Lubricant compsn. - with improved antioxidant properties, used as turbine, hydraulic and gear oils
DE4220767A1
Methylene-bis-(N,N-di:alkyl:di:thio:carbamate prodn. for elastomer and lubricant - by reacting sodium-N,N-di:alkyl:di:thio:carbamate(s) with methylene chloride
DE4220388A1
Cationic azo dyes - for keratin materials showing improved evenness
DE4218725A1
Prepn. of naphthionic acid used as dyestuff intermediate - by reacting naphthyl-amine and sulphuric acid, then reacting with sulphamic acid
DE4215741A1
Adsorber polymers
US5296212A
Method for the removal of sulfur from phosphorus
DE4209008A1
Process for the continuous production of sulphanilic acid
DE4206487A1
New S-aryl-cyan:imido-thio cpds. - useful as bactericides and fungicides
DE4201269A1
Fire-resistant polyurethane foam prodn., used as insulating material - by isocyanate polyaddition reaction with blowing agent contg. amine-carbon di:oxide adduct and neutralised beta-haloalkyl-phosphonic acid
DE4139074A1
Algae and moss control agent - contains alkyl:amino:phosphonic acid ester, and has toxic and ecological advantages over known agents
DE4137787A1
Phosphorus@ purificn. to give low sulphur content - by mixing with sulphuric acid, diluting to separate emulsion and immediately sepg. phosphorus@ and acid
DE4137788A1
Removing sulphur impurity from phosphorus
DE4137005A1
Hair dye contg. bis:cationic diazo dye contg. tri:azo gps. - giving uniform colour from hair roots to tips without dyeing scalp
