Codes: Class Codes

The following codes and class names are used in the Classes (CL) field. You can search for either the code or the name. Note that some class and section names changed in January 1993. Both pre-1993 and post-1992 names and codes are listed (the post-1992 names appear in parentheses).

A Microbiology (Genetic Engineering and Fermentation)

A1 Genetics (Nucleic Acid Technology)

A2 Fermentation

B Engineering

B1 Biochemical Engineering

C Chemistry (Analysis)

C1 Analysis and Structure (Sensors and Analysis)

D Pharmaceuticals

D1 Antibiotics

D2 Hormones

D3 Interferon (Peptides and Proteins)

D4 Vaccines

D5 Other Pharmaceuticals

(D6) (Antibodies)

(D7) (Clinical Genetic Techniques)

E Agriculture

E1 Biological Control Agents

E2 Nitrogen Fixation (Plant Genetic Engineering)

E3 Pesticides

E4 Cultivation in-vitro (In-Vitro Propagation)

E5 Agriculture, Other

G Energy (Fuels, Mining and Metal Recovery)

G1 Fuels (Biofuels and Solvents)

(G2) (Mining and Metal Recovery)

H Other Chemicals

H1 Polymers

H2 Polyunsaturates (Chiral Compounda)

H3 Solvents (Miscellaneous Compounds)

H4 Miscellaneous Compounds (no H4 post-1992)

J Cell Culture

J1 Animal Cell Culture

J2 Plant Cell Culture

K Biocatalysis

K1 Isolation and Characterization

K2 Application

L Purification

L1 Downstream Processing

M Waste Disposal (Waste Disposal and the Environment)

M1 Industrial Waste Disposal

(M2) (Environmental Biotechnology)