Thickened aqueous abrasive cleanser exhibiting no syneresis
CA 1295913 C · Owner: Castro, James Michael · Inventors: Castro, James Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thickened hard surface abrasive cleanser is provided which may have high levels of silicates for superior cleaning exhibits, substantially no syneresis, and has a use-favorable rheology. The cleanser comprises, generally:, (a) an alkali-metal silicate/borate anion thickener (b) an electrolyte/buffer, (c) an anionic surfactant; and (d) a particulate abrasive. The composition of the invention is attained only on following a defined formulation protocol. Accordingly a method is provided, which yields the inventive composition. The composition may be formulated to a viscosity of between about 10,000 and 250,000 cP and a yield value of between about 1 and 80 Pa.
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.