Patent · US Expired

Colored crystalline aluminophosphates and/or silicoaluminophosphates of the AEL or VFI type

US5360474A · kind A · utility

12Cited by

7References

6Claims

0Family size

Assignee

BASF SE

Inventors

Guenter Lauth · Großkarlbach, DE
Ulrich Mueller · Hamburg, DE
Wolfgang Hoelderich · Bischofswerda, DE
Stefan Brode · Karlsruhe, DE
Gerhard Wagenblast · Wachenheim, DE

Key dates

Filing date	Sep 16, 1992
Grant date	Nov 1, 1994
Priority date	—
Expiry date	Sep 16, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S423/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Colored crystalline alumophosphates and/or silicoalumophsophates of the AEL or VFI type useful as dyes, optical elements and as adsorbents have the following X-ray diffraction diagram: ______________________________________ Interplanar spacing Relative intensity d(A) I/I.sub.o .times. 100 ______________________________________ 10.91 .+-. 0.1 26 .+-. 10 9.19 .+-. 0.1 41 .+-. 10 6.79 .+-. 0.05 16 .+-. 10 5.57 .+-. 0.05 52 .+-. 10 4.39 .+-. 0.05 39 .+-. 10 4.18 .+-. 0.05 71 .+-. 10 4.09 .+-. 0.05 33 .+-. 10 3.98 .+-. 0.05 57 .+-. 10 3.86 .+-. 0.05 68 .+-. 10 3.81 .+-. 0.05 100 ______________________________________ and a composition described by the following formula: EQU a quinizarin.b Al.sub.2 O.sub.3.c P.sub.2 O.sub.5.d SiO.sub.2 where a is from 0.05 to 2, b and c are each from 8 to 12, and d is from 0 to 4.

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