Cleaning paste with soluble abrasive
CA 1310879 C · Owner: Lancz, Albert Jay · Inventors: Lancz, Albert Jay
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hard surface highly viscous cleaning composition comprising by weight about 65-80% of an organic liquid vebicle consisting essentially of about 15-35%, water miscible organic solvents and about 35-70% of a nonionic surfactant mixture containing an ethoxylated fatty acid as one of the surfactants, and sodium hydroxide which reacts in situ with the ethoxylated fatty acid to form a clear organic, nonflowable gelled vehicle substantially free of water. Another feature of this invention is the stable suspension of about 10-25% of a water soluble particulate builderabrasive in said nonflowable organic gel which is in the form of a viscous cleaning gel product.
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 December 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.