G01N 33/5 Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
Introduced: January 1980
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
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
Additional Content
Glossary
involving when used in relation to a material includes the testing for the material as well as employing the material as a determinant or reactant in a test for a different material.
Limiting references
measuring or testing processes involving enzymes or microorganisms, other than immunoassay (which is covered by )
Application references
measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood, for medical or veterinary diagnosis apparatus for enzymology or microbiology
21 direct subcodes
Child Classifications
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- G01N 33/52 Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper
- G01N 33/53 Immunoassay; Biospecific binding assay; Materials therefor
- G01N 33/579 involving limulus lysate
- G01N 33/58 involving labelled substances
- G01N 33/62 involving urea
- G01N 33/64 involving ketones
- G01N 33/66 involving blood sugars, e.g. galactose
- G01N 33/68 involving proteins, peptides or amino acids
- G01N 33/7 involving creatine or creatinine
- G01N 33/72 involving blood pigments, e.g. hemoglobin, bilirubin
- G01N 33/74 involving hormones
- G01N 33/8 involving blood groups or blood types
- G01N 33/82 involving vitamins
- G01N 33/84 involving inorganic compounds or pH
- G01N 33/86 involving blood coagulating time
- G01N 33/88 involving prostaglandins
- G01N 33/9 involving iron binding capacity of blood
- G01N 33/92 involving lipids, e.g. cholesterol
- G01N 33/94 involving narcotics
- G01N 33/96 involving blood or serum control standard
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