by heating to effect chemical change, e.g. pyrolysis

Introduced: January 2007

Title

Titles differ between systems:

IPC: by heating to effect chemical change, e.g. by pyrolysis

CPC: by heating to effect chemical change, e.g. pyrolysis

Full Title

Full titles differ between systems:

IPC:

Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances > by heating to effect chemical change, e.g. by pyrolysis

CPC:

Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06) > by heating to effect chemical change, e.g. pyrolysis

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class A62,2013–2023, worldwide · Source: EPO PATSTAT

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

Top Applicants (CPC)

Class A62,2013–2023, worldwide · Source: EPO PATSTAT

3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,384
TYCO FIRE PRODUCTS US 962
SGCC(STATE GRID CORPORATION OF CHINA) 662
LG ENERGY SOLUTION KR 519
HONEYWELL INTERNATIONAL US 427
DRAEGER SAFETY AG & CO. KGAA DE 332
VICTAULIC COMPANY US 294
HILTI LI 265
KIDDE TECHNOLOGIES US 245
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) 240