IPC 7 English version G01N 29/00-G01N 37/00

IPC ⁷ English version

G01N 22/00 - G01N 27/92

G01N02900-G01N03700

SECTION G – PHYSICS

G 01

MEASURING (counting G06M); TESTING

G 01 N

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (separating components of materials in general B01D, B01J, B03, B07; apparatus fully provided for in a single other subclass, see the relevant subclass, e.g. B01L; measuring or testing processes other than immunoassay, involving enzymes or micro-organisms C12M, C12Q; investigation of foundation soil in situ E02D 1/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N 11/00; sensing humidity changes for compensating measurements of other variables or for compensating readings of instruments for variations in humidity, see G01D or the relevant subclass for the variable measured; testing or determining the properties of structures G01M; measuring or investigating electric or magnetic properties of materials G01R; systems in general for determining distance, velocity or presence by use of propagation effects, e.g. Doppler effect, propagation time, of reflected or reradiated radio waves, analogous arrangements using other waves G01S; determining sensitivity, graininess, or density of photographic materials G03C 5/02; testing component parts of nuclear reactors G21C 17/00)

29/

Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (G01N 3/00 to G01N 27/00 take precedence; measuring or indicating of ultrasonic, sonic or infrasonic waves in general G01H; systems using the reflection or reradiation of acoustic waves, e.g. acoustic imaging, G01S 15/00; obtaining records by techniques analogous to photography using ultrasonic, sonic or infrasonic waves G03B 42/06) [4]

29/

for analysing fluids (G01N 29/16, G01N 29/18, G01N 29/20 take precedence) [5]

29/

for investigating presence of flaws in solids (G01N 29/16, G01N 29/18, G01N 29/20 take precedence) [4,5]

29/

Visualisation of the interior [4]

29/

using transmission techniques (G01N 29/06 takes precedence) [5]

29/

using reflection of acoustic waves (G01N 29/06 takes precedence) [5]

29/

using resonance or free vibration techniques (G01N 29/06 takes precedence) [5]

29/

using acoustic emission techniques (G01N 29/06 takes precedence) [5]

29/

by investigating mechanical or acoustical impedance [5]

29/

by investigating propagation velocity of acoustic waves [5]

29/

by measuring attenuation of acoustic waves [5]

29/

Details [5]

29/

Probes [5]

29/

Arrangements for orientation or scanning [5]

29/

providing acoustic coupling [5]

30/

Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (G01N 3/00 to G01N 29/00 take precedence; separation for the preparation or production of components B01D 15/00, B01D 53/02, B01D 53/14) [4]

Note

In this group, the following term is used with the meaning indicated:

–

"conditioning" means the adjustment or control of environmental parameters, e.g. temperature or pressure. [4]

30/

Column chromatography [4]

30/

Preparation or injection of sample to be analysed [4]

30/

Preparation [4]

30/

using an enricher [4]

30/

using a splitter [4]

30/

by evaporation [4]

30/

by elimination of some components [4]

30/

Injection (G01N 30/24 takes precedence) [4]

30/

using a septum or microsyringe [4]

30/

using a sampling valve [4]

30/

in high pressure liquid systems [4]

30/

Automatic injection systems [4]

30/

Conditioning of the fluid carrier; Flow patterns [4]

30/

Control of physical parameters of the fluid carrier [4]

30/

of temperature [4]

30/

of pressure or speed (G01N 30/36 takes precedence) [4]

30/

of fluid composition, e.g. gradient (G01N 30/36 takes precedence) [4]

30/

in high pressure liquid systems [4]

30/

Flow patterns [4]

30/

using back flushing [4]

30/

using counter-current [4]

30/

using recycling of the fraction to be distributed [4]

30/

using more than one column [4]

30/

Sorbent materials therefor [4]

30/

Conditioning of the sorbent material or stationary liquid [4]

30/

Physical parameters [4]

30/

Temperature [4]

30/

Packing methods or coating methods [4]

30/

the sorbent moving as a whole [4]

30/

Construction of the column [4]

30/

Detectors specially adapted therefor [4]

30/

Electrical detectors [4]

30/

Thermal conductivity detectors [4]

30/

Flame ionisation detectors [4]

30/

Electron capture detectors (G01N 30/68 takes precedence) [4]

30/

Mass spectrometers [4]

30/

Optical detectors [4]

30/

Acoustical detectors [4]

30/

using more than one detector [4]

30/

Fraction collectors [4]

30/

Automatic means therefor [4]

30/

Preparation of the fraction to be distributed [4]

30/

Signal analysis [4]

30/

Integrated analysis systems specially adapted therefor, not covered by a single one of groups G01N 30/04 to G01N 30/86 (signal analysis systems in general G06F, G06G, G06T) [4]

30/

Plate chromatography, e.g. thin layer or paper chromatography [4]

30/

Application of the sample [4]

30/

Construction of the plate [4]

30/

Application of the sorbent layer [4]

30/

Development [4]

30/

Detectors specially adapted therefor; Signal analysis [4]

30/

using ion-exchange (G01N 30/02, G01N 30/90 take precedence) [4]

31/

Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups (testing the effectiveness or completeness of sterilisation procedures without using enzymes or microorganisms A61L 2/28; measuring or testing processes involving enzymes or micro-organisms C12Q 1/00); Apparatus specially adapted for such methods [4]

Note

The observation of the progress of the reactions covered by groups G01N 31/02 to G01N 31/22 by any of the methods specified in groups G01N 3/00 to G01N 29/00, if this observation is of major importance, is classified in the relevant group covering the method.

31/

using precipitation

31/

using catalysis

31/

using combustion (G01N 25/20 takes precedence)

31/

using titration

31/

Burettes specially adapted for titration (burettes in general B01L 3/02)

31/

using micro-analysis, e.g. drop reaction

31/

using chemical indicators (G01N 31/02 takes precedence)

33/

Investigating or analysing materials by specific methods not covered by the preceding groups

33/

Food

33/

Edible oils or edible fats [4]

33/

Dairy products

33/

Determining fat content, e.g. by butyrometer

33/

Eggs, e.g. by candling

33/

Starch-containing substances, e.g. dough

33/

Meat; fish

33/

Beverages

33/

Medicinal preparations [3]

33/

Water

33/

Metals

33/

Fuels; explosives

33/

Earth materials (G01N 33/42 takes precedence)

33/

Oils; viscous liquids; paints; inks (G01N 33/22 takes precedence)

33/

Oils (edible oils or edible fats G01N 33/03) [4]

33/

for lubricating properties

33/

Paints; inks

33/

Paper

33/

Textiles

33/

Concrete; lime; mortar; gypsum; bricks; ceramics; glass

33/

Grinding-materials

33/

Road-making materials (G01N 33/38 takes precedence)

33/

Resins; plastics; rubber; leather

33/

Wood

33/

Biological material, e.g. blood, urine (G01N 33/02 to G01N 33/14, G01N 33/26, G01N 33/44, G01N 33/46 take precedence; determining the germinating capacity of seeds A01C 1/02); Haemocytometers (counting blood corpuscules distributed over a surface by scanning the surface G06M 11/02) [3,4]

33/

483

Physical analysis of biological material [4]

33/

487

of liquid biological material [4]

33/

blood [4]

33/

493

urine [4]

33/

497

of gaseous biological material, e.g. breath [4]

33/

Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing (measuring or testing processes other than immunological involving enzymes or micro-organisms, compositions or test papers therefor; processes of forming such compositions, condition responsive control in microbiological or enzymological processes C12Q) [3]

Notes

(1)

In this group, the following expression is used with the meaning indicated:

–

"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. [3]

(2)

In groups G01N 33/52 to G01N 33/96, in the absence of an indication to the contrary, classification is made in the last appropriate place. [3]

33/

Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper [3]

33/

Immunoassay; Biospecific binding assay; Materials therefor (medicinal preparations containing antigens or antibodies A61K; haptens in general, see the relevant places in class C07; peptides, e.g. proteins, in general C07K) [4]

33/

531

Production of immunochemical test materials [4]

33/

532

Production of labelled immunochemicals [4]

33/

533

with fluorescent label [4]

33/

534

with radioactive label [4]

33/

535

with enzyme label [4]

33/

536

with immune complex formed in liquid phase [4]

33/

537

with separation of immune complex from unbound antigen or antibody [4]

33/

538

by sorbent column, particles or resin strip [4]

33/

539

involving precipitating reagent [4]

33/

541

Double or second antibody [4]

33/

542

with steric inhibition or signal modification, e.g. fluorescent quenching [4]

33/

543

with an insoluble carrier for immobilising immunochemicals [4]

33/

544

the carrier being organic [4]

33/

545

Synthetic resin [4]

33/

546

as water suspendable particles [4]

33/

547

with antigen or antibody attached to the carrier via a bridging agent [4]

33/

548

Carbohydrates, e.g. dextran [4]

33/

549

with antigen or antibody entrapped within the carrier [4]

33/

551

the carrier being inorganic [4]

33/

552

Glass or silica [4]

33/

553

Metal or metal coated [4]

33/

554

the carrier being a biological cell or cell fragment, e.g. bacteria, yeast cells [4]

33/

555

Red blood cell [4]

33/

556

Fixed or stabilised red blood cell [4]

33/

557

using kinetic measurement, i.e. time rate of progress of an antigen-antibody interaction [4]

33/

558

using diffusion or migration of antigen or antibody [4]

33/

559

through a gel, e.g. Ouchterlony technique [4]

33/

561

Immunoelectrophoresis [4]

33/

563

involving antibody fragments [4]

33/

564

for pre-existing immune complex or autoimmune disease [4]

33/

566

using specific carrier or receptor proteins as ligand binding reagent [4]

33/

567

utilising isolate of tissue or organ as binding agent [4]

33/

569

for micro-organisms, e.g. protozoa, bacteria, viruses [4]

33/

571

for venereal disease, e.g. syphilis, gonorrhoea, herpes [4]

33/

573

for enzymes or isoenzymes [4]

33/

574

for cancer [4]

33/

576

for hepatitis [4]

33/

577

involving monoclonal antibodies [4]

33/

579

involving limulus lysate [4]

33/

involving labelled substances (G01N 33/53 takes precedence; for testing in vivo A61K 51/00) [3]

33/

involving radioactive labelled substances (tracers G21H 5/02) [3]

33/

involving urea [3]

33/

involving ketones [3]

33/

involving blood sugars, e.g. galactose [3]

33/

involving proteins, peptides or amino acids [3]

33/

involving creatine or creatinine [3]

33/

involving blood pigments, e.g. hemoglobin, bilirubin [3]

33/

involving hormones [3]

33/

Human chorionic gonadotropin [3]

33/

Thyroid gland hormones [3]

33/

involving blood groups or blood types [3]

33/

involving vitamins [3]

33/

involving inorganic compounds or pH [3]

33/

involving blood coagulating time [3]

33/

involving prostaglandins [3]

33/

involving iron binding capacity of blood [3]

33/

involving lipids, e.g. cholesterol [3]

33/

involving narcotics [3]

33/

involving blood or serum control standard [3]

33/

involving alcohol, e.g. ethanol in breath [4]

35/

Automatic analysis not limited to methods or materials provided for in a single one of the preceding groups; Handling materials therefor [3]

35/

using a plurality of sample containers moved by a conveyer system past one or more treatment or analysis stations [3]

35/

Details of the conveyer system [3]

35/

using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis [3]

35/

Devices for transferring samples to, in, or from, the analysis apparatus, e.g. suction devices, injection devices [6]

37/

Details not covered by any preceding group [3]

G01N 22/00 - G01N 27/92