Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
  • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
  • G01N31/221—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating pH value
• • C—CHEMISTRY; METALLURGY
  • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
  • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
  • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
  • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
  • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
  • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
  • G01N33/521—Single-layer analytical elements
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S435/00—Chemistry: molecular biology and microbiology
  • Y10S435/805—Test papers
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S436/00—Chemistry: analytical and immunological testing
  • Y10S436/903—Diazo reactions

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Immunology (AREA)
• Engineering & Computer Science (AREA)
• Molecular Biology (AREA)
• Organic Chemistry (AREA)
• Physics & Mathematics (AREA)
• General Health & Medical Sciences (AREA)
• Biochemistry (AREA)
• Analytical Chemistry (AREA)
• Hematology (AREA)
• Urology & Nephrology (AREA)
• General Physics & Mathematics (AREA)
• Biotechnology (AREA)
• Microbiology (AREA)
• Biophysics (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Proteomics, Peptides & Aminoacids (AREA)
• Biomedical Technology (AREA)
• Pathology (AREA)
• Genetics & Genomics (AREA)
• General Engineering & Computer Science (AREA)
• Cell Biology (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Food Science & Technology (AREA)
• Medicinal Chemistry (AREA)
• Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
• Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
• Investigating Or Analysing Biological Materials (AREA)
• Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=25101411

Family Applications (1)

Country Status (8)

Families Citing this family (32)

• 1968
  • 1968-11-08 US US774490A patent/US3616251A/en not_active Expired - Lifetime
• 1969
  • 1969-10-30 GB GB53337/69A patent/GB1287785A/en not_active Expired
  • 1969-10-31 ES ES373063A patent/ES373063A1/es not_active Expired
  • 1969-11-03 BR BR213869/69A patent/BR6913869D0/pt unknown
  • 1969-11-06 FR FR6938255A patent/FR2022881A1/fr not_active Withdrawn
  • 1969-11-07 NL NL6916834A patent/NL6916834A/xx unknown
  • 1969-11-07 DE DE19691956214 patent/DE1956214A1/de active Pending
  • 1969-11-07 BE BE741425D patent/BE741425A/xx unknown

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