Patent · US Expired

Scouring powder

US4508633A · kind A · utility

3Cited by

3References

5Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Hans-Jurgen Strempel · Rodgau, DE
Manfred Diehl · Frankfurt am Main, DE
Roland Bergmann · Großkrotzenburg, DE

Key dates

Filing date	Nov 8, 1982
Grant date	Apr 2, 1985
Priority date	—
Expiry date	Nov 8, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/128
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A scouring powder is provided which contains as the sole mechanical cleaning component crystalline zeolite powder of Type A having the following particle spectrum: ______________________________________ Fractions (.mu.) Proportions (Weight %) ______________________________________ <3 <15 <5 <35 <10 <82 <15 <96 <20 up to 100 ______________________________________ and at least 99.5% by weight of the particles having a diameter below 45 microns. Further components of the scouring power can include water soluble agents aiding the cleaning, bleaching, or disinfecting action.

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