Process for preparing a detergent tablet

US6413928B1 · kind B1 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Jeffrey Donald Painter · Loveland, US
• Joseph Herbert Thien · Lancaster, US
• Christopher James Binder · Cincinnati, US
• David J. Smith · Columbia, US

Key dates

• Filing date: May 10, 2000
• Grant date: Jul 2, 2002
• Expiry date: May 10, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/0091
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing a multi-phase detergent tablet comprising the steps of:a) forming a tablet body by compressing a granular detergent mixture, said tablet body having a first surface, said first surface having at least one mold therein and said granular detergent mixture comprises at least one detergent active agent;b) providing a gelatinous mixture under constant agitation, and delivering said gelatinous mixture to said at least one mold in said tablet body to form a gelatinous portion, said gelatinous mixture comprises at least one detergent active agent; andc) hardening or curing said gelatinous portion to form a multi-phase detergent tablet.