Boron; Compounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C 01 B 6/00; perborates C 01 B 15/12; binary compounds with nitrogen C 01 B 21/06; phosphides C 01 B 25/08; carbides C 01 B 31/36; alloys containing boron
C 22) [2]
35
/
02
•
Boron; Borides [2]
35
/
04
•
•
Metal borides [2]
35
/
06
•
Boron halogen compounds [2]
35
/
08
•
Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium [2]
35
/
10
•
•
Compounds containing boron and oxygen (C 01 B 35/06 takes precedence) [2]
35
/
12
•
•
•
Borates [2]
35
/
14
•
•
Compounds containing boron and nitrogen, phosphorus, sulfur, selenium or tellurium [2]
35
/
16
•
Compounds containing direct bonding between two boron atoms, e.g. Cl2B—BCl2 [2]
35
/
18
•
Compounds containing three or more boron atoms, e.g. NaB3H8, MgB10Br10 (borazoles C 01 B 35/14) [2]
Compounds characterised primarily by their physical or chemical properties, rather than by their chemical constitution [6]
37
/
00
Compounds having molecular sieve properties but not having base-exchange properties [6]
37
/
02
•
Crystalline silica-polymorphs, e.g. silicalites [6]
37
/
04
•
Aluminophosphates (APO compounds) [6]
37
/
06
•
Aluminophosphates containing other elements, e.g. metals, boron [6]
37
/
08
•
•
Silicoaluminophosphates (SAPO compounds) [6]
39
/
00
Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination (treatment to modify the sorption properties, e.g. shaping using a binder, B 01 J 20/10; treatment to modify the catalytic properties, e.g. combination of treatments to make the zeolites appropriate to their use as a catalyst, B 01 J 29/04; treatment to improve the ion-exchange properties
B 01 J 39/14; regeneration or reactivation of ion-exchange properties B 01 J 49/00; preparation of stabilised suspensions used in detergents C 11 D 3/12) [6]
Note
In this group, the following term is used with the meaning indicated: [6]
-
"zeolites" means: [6]
(i)
crystalline aluminosilicates with base-exchange and molecular sieve properties, having three dimensional, microporous lattice framework structure of tetrahedral oxide units; [6]
(ii)
compounds isomorphous to those of the former category, wherein the aluminium or silicon atoms in the framework are partly or wholly replaced by atoms of other elements, e.g. by gallium, germanium, phosphorus or boron. [6]
39
/
02
•
Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants: After-treatment thereof [6]
39
/
04
•
•
using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound [6]
39
/
06
•
•
Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements [6]
39
/
08
•
•
•
the aluminium atoms being wholly replaced [6]
39
/
10
•
•
•
the replacing atoms being phosphorus atoms [6]
39
/
12
•
•
•
the replacing atoms being boron atoms [6]
39
/
14
•
•
Type A, as exemplified by patent documents US A 2,882,243 and GB A 1,035,644 [6]
39
/
16
•
•
•
from aqueous solutions of an alkali metal aluminate and an alkali metal silicate excluding any other source of alumina or silica but seeds [6]
39
/
18
•
•
•
from a reaction mixture containing at least one aluminium silicate or aluminosilicate of a clay type, e.g. kaolin or metakaolin or its exotherm modification or allophane [6]
39
/
20
•
•
Faujasite type, e.g. type X or Y, as exemplified by patent documents US A 2,882,244 and US A 3,130,007, respectively [6]
39
/
22
•
•
•
Type X [6]
39
/
24
•
•
•
Type Y [6]
39
/
26
•
•
Mordenite type [6]
39
/
28
•
•
Phillipsite or harmotome type, e.g. type B, as exemplified by patent document US A 3,008,803 [6]
39
/
30
•
•
Erionite or offretite type, e.g. zeolite T, as exemplified by patent document US A 2,950,952 [6]
39
/
32
•
•
Type L, as exemplified by patent document US A 3,216,789 [6]
39
/
34
•
•
Type ZSM-4, as exemplified by patent document GB A 1,117,568, or type [OMEGA], as exemplified by patent document GB A 1,178,186 [6]
39
/
36
•
•
Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US A 3,702,886, GB A 1,334,243 and US A 3,709,979, respectively [6]
39
/
38
•
•
•
Type ZSM-5 [6]
39
/
40
•
•
•
•
using at least one organic template directing agent [6]
39
/
42
•
•
Type ZSM-12, as exemplified by patent document US A 3,832,449 [6]
39
/
44
•
•
Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US A 4,046,859, US A 4,016,245 and US A 4,046,859, respectively [6]
39
/
46
•
•
Other types characterised by their X-ray diffraction pattern and their defined composition [6]
39
/
48
•
•
•
using at least one organic template directing agent [6]
39
/
50
•
Zeolites wherein inorganic bases or salts occlude channels in the lattice framework, e.g. sodalite, cancrinite, nosean, hauynite [6]
