Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Silicon containing or process of making
Reexamination Certificate
2006-06-13
2006-06-13
Nguyen, Cam N. (Department: 1754)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Silicon containing or process of making
C502S241000, C502S242000, C502S243000, C502S244000, C502S245000, C502S254000, C502S255000, C502S256000, C502S257000, C502S258000, C502S259000, C502S260000, C502S261000, C502S262000, C502S263000, C502S305000, C502S308000, C502S309000, C502S310000, C502S313000, C502S314000, C502S315000, C502S316000, C502S317000, C502S318000, C502S319000, C502S320000, C502S321000, C502S322000, C502S323000, C502S324000, C502S325000, C502S326000, C502S327000, C502S330000, C502S331000, C502S332000, C502S333000, C502S334000, C502S
Reexamination Certificate
active
07060651
ABSTRACT:
A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties: in the29Si MAS NMR spectrum the state of silicon is characterized by the presence of lines with chemical shifts −100±3 ppm (line Q3) and −110±3 ppm (line Q4), with the ratio of the integral intensities of the lines Q3/Q4of from 0.7 to 1.2 (FIG.1); in the IR spectrum there is an absorption band of hydroxyl groups with the wave number 3620–3650 cm−1and half-width 65–75 cm−1(FIG.2); the carrier has a specific surface area, as measured by the BET techniques from the thermal desorption of argon, SAR=0.5–30 m2/g and the surface, as measured by alkali titration techniques, SNa=10–250 m2/g, with SNa/SAr=5–30.
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Balzhinimaev Bair Sydypovich
Barelko Viktor Vladimirovich
Kildyashev Sergei Petrovich
Makarenko Mikhail Grigorievich
Parfenov Anatoly Nikolaevich
Nguyen Cam N.
Zakrytoe Aktsionernoe Obschestvo “Kholdingovaya Katalizat
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