Patent Yard Sign in
Expired Canadian patentCanada

Granular detergent compositions for improved greasy soil removal

CA 1102202 A · Owner: The Procter & Gamble Company · Inventors: Brooks, Maxim C.; Murphy, Alan P.; Smith, Rory J.M.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Alan P. Murphy, Rory J.M. Smith, Maxim C. Brooks ABSTRACT OF THE DISCLOSURE, A granular detergent composition especially for, laundry use, containing a specific mixture of anionic alkoxylated nonionic and alkoxylated cationic surfactants. The compositions are particularly effective in removing greasy and oily soils from fabrics, and they have improved physical characteristics, especially odour characteristics when prepared by spray drying.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 16, 1978
GrantedJune 2, 1981
Term endedJune 2, 1998
Patent numberCA 1102202 A
Classification (IPC)C11D1/40 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedNov 16, 1978Patent grantedJune 2, 1981Term endedJune 2, 1998

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.