Patent · US Active

Crystal composition (CC) comprising 4,4#-dichlorodiphenylsulfoxide crystals (C)

US10975024B2 · kind B2 · utility

0Cited by

2References

16Claims

0Family size

Assignee

BASF SE

Inventors

Indre Thiel · Ludwigshafen am Rhein, DE
Christian SCHUETZ · Ludwigshafen am Rhein, DE
Stefan Blei · Mannheim, DE
Jun Gao · Mountain View, US
Lukas METZGER · Ludwigshafen am Rhein, DE

Key dates

Filing date	Feb 7, 2020
Grant date	Apr 13, 2021
Priority date	—
Expiry date	Feb 7, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/16
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a crystal (C) consisting of at least 95% by weight of 4,4′-dichlorodiphenylsulfoxide, 0 to 2% by weight of impurities and 0 to 3% by weight of an organic solvent (os). Moreover, the present invention relates to a crystal composition (CC) comprising crystals (C) and a process for the production of the crystal composition (CC) and the crystal (C).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.