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1. WO2020115078 - NEW PRILLS OF HYDROQUINONE AND METHOD FOR OBTAINING THE SAME

Publication Number WO/2020/115078
Publication Date 11.06.2020
International Application No. PCT/EP2019/083557
International Filing Date 03.12.2019
IPC
C07C 37/70 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
37Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
68Separation; Purification; Stabilisation; Use of additives
70by physical treatment
C07C 39/08 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
39Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
02monocyclic with no unsaturation outside the aromatic ring
08Dihydroxy benzenes; Alkylated derivatives thereof
B01J 2/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2Processes or devices for granulating materials, in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
02by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
06in a liquid medium
CPC
B01J 2/06
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2Processes or devices for granulating materials ; , e.g. fertilisers; in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
02by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
06in a liquid medium
C07C 37/70
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
37Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
68Purification; separation; Use of additives, e.g. for stabilisation
70by physical treatment
Applicants
  • RHODIA OPERATIONS [FR]/[FR]
Inventors
  • SAPEY-TRIOMPHE, Rodolphe
  • FISCHER, Lars
  • VANZIN, David
Agents
  • MROSS, Stefan
  • JACQUES, Marie-Caroline
Priority Data
62/77451303.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) NEW PRILLS OF HYDROQUINONE AND METHOD FOR OBTAINING THE SAME
(FR) NOUVELLES GRANULES D'HYDROQUINONE ET PROCÉDÉ D'OBTENTION CORRESPONDANT
Abstract
(EN)
The present invention relates to new lightly colored prills of hydroquinone. More particularly, the invention provides a new method for preparing said lightly colored prills of hydroquinone. The invention also relates to said prills of hydroquinone obtained by said new method.
(FR)
La présente invention concerne de nouvelles granules légèrement colorées d'hydroquinone. Plus particulièrement, l'invention concerne un nouveau procédé de préparation desdites granules légèrement colorées d'hydroquinone. L'invention concerne également lesdites granules d'hydroquinone obtenues par ledit nouveau procédé.
Latest bibliographic data on file with the International Bureau