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CPC Subgroup
C07C 29/06

the acid being sulfuric acid

Full Title

Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring > by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 (by simultaneous introduction of -OH groups and halogens C07C29/64) > by hydration of carbon-to-carbon double bonds > with formation of absorption products in mineral acids and their hydrolysis (characterised by the method of hydrolysis C07C29/12) > the acid being sulfuric acid

Top Applicants

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

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219