Patent · US Expired

Process for the production of detergent granules

US7053038B2 · kind B2 · utility

28Cited by
13References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 2002
Grant dateMay 30, 2006
Priority date
Expiry dateFeb 22, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/29
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A low shear mechanical granulation process for the production of detergent granules, the process comprising contacting an acid precursor of an anionic surfactant, a non-surfactant acid and a solid carbonated neutralising agent wherein the solid carbonated neutralizing agent has a d3,2 average particle size no more than 90 μm, preferably no more than 80 μm, more preferably no more than 70 μm, still more preferably no more than 60 μm, yet more preferably no more than 50 μm and especially no more than 40 μm.

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