IPC Subgroup
G01N 33/53 Immunoassay; Biospecific binding assay; Materials therefor
Introduced: January 1985
Last revised: January 2006
Full Title
Investigating or analysing materials by specific methods not covered by groups > Biological material, e.g. blood, urine; Haemocytometers > Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing > Immunoassay; Biospecific binding assay; Materials therefor
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
13 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G01N 33/531 Production of immunochemical test materials
- G01N 33/536 with immune complex formed in liquid phase
- G01N 33/543 with an insoluble carrier for immobilising immunochemicals
- G01N 33/557 using kinetic measurement, i.e. time rate of progress of an antigen-antibody interaction
- G01N 33/558 using diffusion or migration of antigen or antibody
- G01N 33/563 involving antibody fragments
- G01N 33/564 for pre-existing immune complex or autoimmune disease
- G01N 33/566 using specific carrier or receptor proteins as ligand binding reagent
- G01N 33/569 for microorganisms, e.g. protozoa, bacteria, viruses
- G01N 33/573 for enzymes or isoenzymes
- G01N 33/575 for cancer
- G01N 33/576 for hepatitis
- G01N 33/577 involving monoclonal antibodies
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171