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IPC Main Group
A62D 101/00

Harmful chemical substances made harmless, or less harmful, by effecting chemical change

Introduced: January 2007

Classification Context

Section:
HUMAN NECESSITIES
Class:
LIFE-SAVING; FIRE-FIGHTING
Subclass:
CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS

Filing statistics

IPC A62D 101/00 belongs to the parent subclass A62D, which recorded 10,174 patent applications worldwide between 2013 and 2023. Annual filings grew from 770 in 2013 to 932 in 2023 (+21%), peaking at 1,023 applications in 2022. The most active applicants in class A62 are SGCC(STATE GRID CORPORATION OF CHINA) (1,604 applications), 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) (1,202 applications) and TYCO FIRE PRODUCTS (906 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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  • A62D 101/02 Chemical warfare substances, e.g. cholinesterase inhibitors
  • A62D 101/04 Pesticides, e.g. insecticides, herbicides, fungicides or nematicides
  • A62D 101/06 Explosives, propellants or pyrotechnics, e.g. rocket fuel or napalm
  • A62D 101/08 Toxic combustion residues, e.g. toxic substances contained in fly ash from waste incineration

Top Applicants

Top 10 applicants by patent filingsfor class A62, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 1,604
  2. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,202
  3. TYCO FIRE PRODUCTS US 906
  4. NOHMI BOSAI 429
  5. LG ENERGY SOLUTION KR 414
  6. HOCHIKI CORPORATION 408
  7. HUBEI JI'ANDUN FIRE-FIGHTING TECHNOLOGY COMPANY 374
  8. HONEYWELL INTERNATIONAL US 355
  9. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 346
  10. FISHER AND PAYKEL HEALTHCARE NZ 305