1700: Chemical and Materials Engineering
- 1710 Coating, Etching, Cleaning, Single Crystal Growth
- 1720 Fuel Cells, Battery, Flammable Gas, Solar Cells, Liquid Crystal Compositions
- 1730 Metallurgy, Metal Working, Inorganic Chemistry, Catalyst, Electrophotography, Photolithography
- 1740 Tires, Adhesive Bonding, Glass/Paper making, Plastics Shaping & Molding
- 1760 Organic Chemistry, Polymers, Compositions
- 1770 Chemical Apparatus, Separation and Purification, Liquid and Gas Contact Apparatus
- 1780 Miscellaneous Articles, Stock Material
- 1790 Food, Analytical Chemistry, Sterilization, Biochemistry, Electrochemistry
- 1759 Search and Classification Examiner Art Unit