Fuels with improved low-temp. flow - contg. copolymer of ethylene] and vinyl] acetate with asymmetric molecular wt. distribution
DE4241538A1
Non-equimolar alpha-methylstyrene/maleic anhydride copolymer(s) prodn. - by radical-initiated soln. copolymerisation in presence of organo-bromine cpds., esp. tetra-bromo-methane, or excess alpha-methylstyrene
DE4235404A1
Prepn. of very low viscosity polyethylene hard waxes - using Ziegler catalyst comprising magnesium chloride- and aluminium-contg. carrier and titanium
DE4235405A1
Prepn. of very hard polyethylene waxes oxidates - by oxidising low viscosity polyethylene hard waxes obtd. by reacting hydrogen-ethylene mixt. with a high pressure Ziegler catalyst
DE4234909A1
Strengthening and conditioning of granulated ammonium sulphate with improved storage properties - by coating the granulate with dicyandiamide, calcium stearate, polyvinyl alcohol, glues and 2-methylstyrene-maleic anhydride copolymers
DE4225951A1
Additives for improving the low temperature properties of middle distillates, process for their preparation and use
DE4222655A1
Direct prepn. of di:methyl ether - from synthesis gas with controllable purity, useful for aerosols or for domestic and industrial heating
DE4220775A1
Process for the production of recycled plastics
DE4220773A1
Compatibilising and impact improving polymer alloy prepn. for plastics flow improver - by reacting ethylene@]-vinyl] acetate and ethylene@]-propylene@]-rubber or ethylene@]-propylene@]-diene] monomer with unsatd. acid or anhydride in melt, for improved chemical reactivity
DE4220774A1
Carboxylic gp. modified thermoplastics prodn. - by reaction in the melt with carboxylate ester(s) of tert. alcohol(s), in extruder with temp. profile from 150 to 290 deg.C
DE4217339A1
Catalysts for oxidn. of organic cpds. in air - comprise lanthanum manganese perovskite contg. silver with activity comparable to platinum catalysts
DE4216056A1
Prepn. of 2,2,4,6,6-penta:methyl -2,3,4,5-tetra:hydro:pyrimidine for polymer stabilisation - from acetone and ammonia using calix(n)arene
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Ozone decomposition catalyst of manganese oxide mixt. and alumina - with specified deg. of oxidn., surface area and porosity, used esp. for quantitative sepn. of ozone in monitoring air quality
DE4208027A1
Pure melamine isocyanurate prepn. - from melamine and isocyanuric acid in purified water, used as polymer flame retardant and white lubricant
DE4208028A1
METHOD FOR PRODUCING HIGH PURITY DIMETHYL ETHER
DE4202110A1
Toughened polyamide-6 moulding materials - contain EVA copolymer and EVA copolymer wax and have high values of toughness, tensile strength and elasticity
DE4202108A1
High-impact polymer alloys - contain norbornene-ethylene copolymers, elastomers and-or thermoplastics with acid and-or anhydride gps., and opt additives
DE4134326A1
Process for controlling the top / bottom product quantity ratio in the pre-fractionation of carbochemical phenols
DE4129910A1
Protecting foundations of tank for liquefied gas - using closed water film, produced by spray for protection during gas leakage
