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Technical PatentsEM Tech
holds a variety of technology patents.

Patent No. 10-2435710

Method for Purifying Waste N-Methyl-2-Pyrrolidone
Patent No. 10-2031417

Optical Substrate Material for Flexible Displays
Patent No. 10-2156903

Method for Purifying Stripper Waste Liquid and the Stripper Composition Obtained Thereby
Patent No. 10-2109403

Method for Purifying Stripper Waste Liquid and the Stripper Composition Obtained Therefrom
Patent No. 10-2109401

Method for Purifying Waste N-Methyl-2-Pyrrolidone Mixture
Patent No. 10-2033359

Composition for Removing Styrene-Acrylonitrile Resin and Method for Recovering Organic Solvents Contained Therein
Patent No. 10-2033356

Method for Purifying Alkyl 3-Alkoxypropionate
Patent No. 10-2022857

Composition for Removing Styrene-Acrylonitrile Resin and Method for Recovering Organic Solvents Contained Therein
Patent No. 10-2019402

Method for Producing Alkyl 3-Alkoxypropionate
Patent No. 10-1971459

Composition for Cleaning Conductive Materials for Organic Light Emitting Device Manufacturing and Method for Cleaning Using Same
Patent No. 10-1202739

Method for Purifying Organic Solvents
Patent No. 10-1193595

Method for Purifying Organic Solvents
Patent No. 10-1172867

Method for Purifying Methyl Diethanolamine
Patent No. 10-1899296

Method for Purifying Waste N-Methyl-2-Pyrrolidone Mixture
Patent No. 10-1346082

Composition for Liquid Regenerated Fuel Oil
Patent No. 10-1387623

Method for Treating Waste Electrolytes
Patent No. 10-1171866

Method for Purifying Organic Solvents
MY-159050-A

APPARATUS FOR REFINING OPPORTUNITY CRUDE AND REFINING METHOD THEREOF
Patent No. 10-1663481

Method for Purifying Recovered N-Methyl-2-Pyrrolidone Mixture and Method for Producing Polyvinylidene Fluoride Solution Using Same
Patent No. 10-1584195

Method for Purifying Vinyl Acetate Monomer
Patent No. 10-1434284

Composition for Photoresist Stripping Solution
Patent No. 10-1349125

Method for Purifying High Purity and High Efficiency Dialkyl Carbonate from Industrial Dialkyl Carbonate
1-2009-01014

  
Patent No. 10-1306336

Method for Purifying Organic Solvents
Patent No. 10-1285136

Method for Purifying Organic Solvents
Patent No. 10-1274477

Method for Purifying Organic Solvents
ZL 2009 1 01429563. 4

  
2009-122321

  
Patent No. 10-1142297

Method for Purifying Organic Solvents
Patent No. 10-1142296

Method for Purifying Organic Solvents
Patent No. 10-1142295

Method for Purifying Coal Tar Sludge and Coal Tar Sludge
Patent No. 10-1134663

Method for Purifying Organic Solvents and Organic Solvents
Patent No. 10-1038042
Method for Recycling Waste PGMEA
200903177-4

APPARATUS FOR REFINING OPPORTUNITY CRUDE AND REFINING METHOD TEHREOF
Patent No. 10-0992437

Purification Device and Method for Resist Stripping Waste Liquid
Patent No. 10-0972103

Method and Device for Recovering High-Concentration Waste PGMEA Organic Solvent Containing Thermosetting Solids
Patent No. 10-0869333
Method for Recycling Waste PGMEA
Patent No. 10-0398992

Distillation Method for Dimethyl Adipate
Patent No. 10-0395215

Method for Producing Alternative Renewable Fuels
Patent No. 10-0933308

Purification Device and Method for Base Oils
Patent No. 0512061

Method for Purifying Normal Heptane
Patent No. 0464165

Method for Purifying Methanol
Patent No. 0258015

Method for Producing Renewable Alternative Fuels
Patent No. 0247328

Renewable Alternative Raw Materials