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IPC Main Group
C08C 19/00

Chemical modification of rubber

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
Subclass:
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS

Related Keywords

RUBBER derivatives

12 direct subcodes

Child Classifications

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  • C08C 19/02 Hydrogenation
  • C08C 19/08 Depolymerisation
  • C08C 19/1 Isomerisation; Cyclisation
  • C08C 19/2 Incorporating sulfur atoms into the molecule
  • C08C 19/22 Incorporating nitrogen atoms into the molecule
  • C08C 19/24 Incorporating phosphorus atoms into the molecule
  • C08C 19/25 Incorporating silicon atoms into the molecule
  • C08C 19/26 Incorporating metal atoms into the molecule
  • C08C 19/28 Reaction with compounds containing carbon-to-carbon unsaturated bonds

Top Applicants

Top 10 applicants by patent filingsfor class C08, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 14,262
  2. DOW GLOBAL TECHNOLOGIES US 12,486
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
  4. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
  5. CHINESE ACADEMY OF SCIENCES 6,993
  6. FUJIFILM JP 5,049
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
  8. SHIN-ETSU CHEMICAL COMPANY JP 4,517
  9. BOREALIS AT 4,213
  10. ARKEMA FR 4,098