Esters of thiophosphorous acids

Introduced: July 1974

Last revised: January 2006

Full Title

Compounds containing elements of Groups 5 or 15 of the Periodic Table > Phosphorus compounds > without P—C bonds > Esters of thiophosphoric acids or thiophosphorous acids > Esters of thiophosphorous acids

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: ORGANIC CHEMISTRY
Subclass:: ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM

Filing statistics

IPC C07F 9/201 belongs to the parent subclass C07F, which recorded 100,971 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,978 in 2013 to 9,592 in 2023 (+20%), peaking at 10,025 applications in 2022. The most active applicants in class C07 are CHINESE ACADEMY OF SCIENCES (12,697 applications), ROCHE (11,347 applications) and SINOPEC (CHINA PETROCHEMICAL CORPORATION) (11,024 applications).

Source: EPO PATSTAT, worldwide filings

5 direct subcodes

Child Classifications

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C07F 9/202 with hydroxyalkyl compounds without further substituents on alkyl
C07F 9/203 with unsaturated acyclic alcohols
C07F 9/204 with cycloaliphatic alcohols
C07F 9/205 with hydroxyaryl compounds
C07F 9/206 containing P-halide groups

Top Applicants

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

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