Patent · US Expired

Laundering pre-spotter and method of production

US3953353A · kind A · utility

41Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1974
Grant dateApr 27, 1976
Priority date
Expiry dateNov 8, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D17/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A solid product for rub-on application to stains and soil deposits on fabric preparatory to laundering, comprising blended water soluble non-ionic detergent and stable laundry enzyme uniformly dispersed therein, and the method of manufacturing the product.

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