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Patent

Invention patent certification

Continuous production of trimethyl phosphite by N,N-dimethylaniline

Continuous production of trimethyl phosphite by N,N-dimethylaniline

O, O dialkyl thiophosphoryl chloride production process

O, O dialkyl thiophosphoryl chloride production process

O, O dialkyl thiophosphoryl chloride production process

O, O dialkyl thiophosphoryl chloride production process

Drum cleaning machine

Drum cleaning machine

Process for preparing diethyl phosphite using triethyl phosphite by-product

Process for preparing diethyl phosphite using triethyl phosphite by-product

Phosphorus bath

Phosphorus bath

Triethyl phosphite production method invention patent

Triethyl phosphite production method invention patent

A utility model patent for ammonia recovery device

A utility model patent for ammonia recovery device

Double cone dryer with agitator

Double cone dryer with agitator

Boiler dust removal device

Boiler dust removal device

Boiler blowdown buffer muffler utility model patent

Boiler blowdown buffer muffler utility model patent

Yellow phosphorus quantitative feeding device utility model patent

Yellow phosphorus quantitative feeding device utility model patent

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Invention patent certification

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136 Continuous production of trimethyl phosphite by N,N-dimethylaniline 1
137 O, O dialkyl thiophosphoryl chloride production process 2
138 O, O dialkyl thiophosphoryl chloride production process 3
139 Drum cleaning machine 4
140 Process for preparing diethyl phosphite using triethyl phosphite by-product 5
141 Phosphorus bath 6
142 Triethyl phosphite production method invention patent 7
143 A utility model patent for ammonia recovery device 8
144 Double cone dryer with agitator 9
145 Boiler dust removal device 10
146 Boiler blowdown buffer muffler utility model patent 11
147 Yellow phosphorus quantitative feeding device utility model patent 12
148 Mxylene chlorine reactor 13
149 Energy-saving heat exchange device utility model patent 14
150 Static turbidity filtration device utility model patent 15
151 Chlorine tube connection fixture 16
152 A kind of patent for utility model with no-separation filter 17
153 Asbestos gasket press 18
154 Liquid ammonia and water mixing device utility model patent 19