The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2021
Filed:
Mar. 12, 2018
Applicant:
Arkema France, Colombes, FR;
Inventors:
Serge Nicolas, Lons, FR;
CĂ©cile Lutz, Gan, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 39/46 (2006.01); B01J 37/10 (2006.01); C01B 39/38 (2006.01); C01B 39/26 (2006.01); C01B 39/16 (2006.01); C01B 39/34 (2006.01); C01B 39/20 (2006.01); C01B 39/14 (2006.01); C01B 39/30 (2006.01); B01J 29/70 (2006.01); B01J 29/40 (2006.01); B01J 29/50 (2006.01); B01J 29/18 (2006.01); B01J 29/08 (2006.01);
U.S. Cl.
CPC ...
C01B 39/46 (2013.01); B01J 29/08 (2013.01); B01J 29/18 (2013.01); B01J 29/40 (2013.01); B01J 29/50 (2013.01); B01J 29/70 (2013.01); B01J 29/7003 (2013.01); B01J 29/7011 (2013.01); B01J 29/7015 (2013.01); B01J 29/7019 (2013.01); B01J 37/10 (2013.01); C01B 39/14 (2013.01); C01B 39/16 (2013.01); C01B 39/20 (2013.01); C01B 39/26 (2013.01); C01B 39/30 (2013.01); C01B 39/34 (2013.01); C01B 39/38 (2013.01); C01P 2004/51 (2013.01); C01P 2004/53 (2013.01);
Abstract
The present invention relates to a process for preparing zeolite crystals having a multimodal particle size distribution, and the sizes of which are between 0.02 μm and 20 μm, said process comprising a first introduction of one or more seeding agents into the tubular reactor or upstream of the tubular reactor, and at least one second introduction of one or more, identical or different, seeding agents into the tubular reactor.