IPC 6 English version G01N 29/00-G01N 37/00

G01N02900-G01N03700

SECTION G– PHYSICS

G 01

MEASURING (counting G 06 M); TESTING

G 01 N

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (separating components of materials in general B 01 D, B 01 J, B 03, B 07; apparatus fully provided for in a single other subclass, see the relevant subclass, e.g. B 01 L; measuring or testing processes other than immunoassay, involving enzymes or micro-organisms C 12 M, C 12 Q; investigation of foundation soil in situ E 02 D 1/00; sensing humidity changes for compensating measurements of other variables or for compensating readings of instruments for variations in humidity, see G 01 D or the relevant subclass for the variable measured; testing or determining the properties of structures G 01 M; measuring or investigating electric or magnetic properties of materials G 01 R; 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 G 01 S; determining sensitivity, graininess, or density of photographic materials G 03 C 5/02; testing component parts of nuclear reactors G 21 C 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 (G 01 N 3/00 to G 01 N 27/00 take precedence; measuring or indicating of ultrasonic, sonic or infrasonic waves in general G 01 H; systems using the reflection or reradiation of acoustic waves, e.g. acoustic imaging, G 01 S 15/00; obtaining records by techniques analogous to photography using ultrasonic, sonic or infrasonic waves G 03 B 42/06) [4]

29/

for analysing fluids (G 01 N 29/16, G 01 N 29/18, G 01 N 29/20 take precedence) [5]

29/

for investigating presence of flaws in solids (G 01 N 29/16, G 01 N 29/18, G 01 N 29/20 take precedence) [4,5]

29/

Visualisation of the interior [4]

29/

using transmission techniques (G 01 N 29/06 takes precedence) [5]

29/

using reflection of acoustic waves (G 01 N 29/06 takes precedence) [5]

29/

using resonance or free vibration techniques (G 01 N 29/06 takes precedence) [5]

29/

using acoustic emission techniques (G 01 N 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 (G 01 N 3/00 to G 01 N 29/00 take precedence; separation for the preparation or production of components B 01 D 15/00, B 01 D 53/02, B 01 D 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 (G 01 N 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 (G 01 N 30/36 takes precedence) [4]

30/

of fluid composition, e.g. gradient (G 01 N 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 (G 01 N 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 G 01 N 30/04 to G 01 N 30/86 (signal analysis systems in general G 06 F, G 06 G, G 06 T) [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 (G 01 N 30/02, G 01 N 30/90 take precedence) [4]

31/

Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups (measuring or testing processes involving enzymes or micro-organisms C 12 Q 1/00); Apparatus specially adapted for such methods [4]

Note

The observation of the progress of the reactions covered by groups G 01 N 31/02 to G 01 N 31/22 by any of the methods specified in groups G 01 N 3/00 to G 01 N 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 (G 01 N 25/20 takes precedence)

31/

using titration

31/

Burettes specially adapted for titration (burettes in general B 01 L 3/02)

31/

using micro-analysis, e.g. drop reaction

31/

using chemical indicators (G 01 N 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 (G 01 N 33/42 takes precedence)

33/

Oils; viscous liquids; paints; inks (G 01 N 33/22 takes precedence)

33/

Oils (edible oils or edible fats G 01 N 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 (G 01 N 33/38 takes precedence)

33/

Resins; plastics; rubber; leather

33/

Wood

33/

Biological material, e.g. blood, urine (G 01 N 33/02 to G 01 N 33/14, G 01 N 33/26, G 01 N 33/44, G 01 N 33/46 take precedence; determining the germinating capacity of seeds A 01 C 1/02); Haemocytometers (counting blood corpuscules distributed over a surface by scanning the surface G 06 M 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 C 12 Q) [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 G 01 N 33/52 to G 01 N 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 A 61 K; haptens in general, see the relevant places in class C 07; peptides, e.g. proteins, in general C 07 K) [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 (G 01 N 33/53 takes precedence; for testing in vivo A 61 K 51/00) [3]

33/

involving radioactive labelled substances (tracers G 21 H 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/

(transferred to G 01 N 35/10, covered by G 01 N 35/02)

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