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IPC Subgroup
C07C 201/06

Preparation of nitro compounds

Introduced: January 1990

Last revised: January 2006

Full Title

Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton > Preparation of nitro compounds

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
ACYCLIC OR CARBOCYCLIC COMPOUNDS

5 direct subcodes

Child Classifications

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  • C07C 201/08 by substitution of hydrogen atoms by nitro groups
  • C07C 201/1 by substitution of functional groups by nitro groups
  • C07C 201/12 by reactions not involving the formation of nitro groups
  • C07C 201/14 by formation of nitro groups together with reactions not involving the formation of nitro groups
  • C07C 201/16 Separation; Purification; Stabilisation; Use of additives

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922