Rheologically stabilized silicone dispersions
CA 2565666 C · Owner: Energizer Auto, Inc. · Inventors: El-Sayed, Tarric M.; Van Wort, Frederick R. Iii; Firtter, Daniela N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aqueous dispersions of silicone oils are prepared without the need for surfactants, solvents, hydrotropes or emulsifiers by employing water soluble and/or water dispersible polymers providing inventive compositions which exhibit a rheological Critical Strain value greater than zero and less than about 0.5. Disclosed according to the present invention are compositions and methods of use of the aqueous dispersions of silicone fluids for cleaning preserving, protecting, and otherwise treating a variety of surfaces including household surfaces, such as floors counter tops, furniture, walls, and automotive surfaces such as tires, rubber, vinyl, upholstery fabric, plastic and general …
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
- Filed May 5, 2005 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 5, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.