Oil encapsulation process and product
CA 1049335 A · Owner: Polak'S Frutal Works · Inventors: Brenner, Joseph; Henderson, Gary H.; Bergensten, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Brenner, Henderson & Bergenstein, Oil Encapsulation Process and Product ABSTRACT OF THE DISCLOSURE, Compositions preferably in particulate form, comprising a cellular matrix having oil in the cells thereof in which the matrix comprises polysaccharide and polyhydroxy compounds in such proportions that the oil may constitute up to 80% by volume so stably held in the cells that the extractable oil is not substantially in excess of 5%. This is accomplished by proportioning the ingredients to produce a glassy, preferably water soluble matrix, having a plastic or flowable range that prevents or seals oil escape paths in the wall material such as cracks fissures, pin holes, and deep pits. The …
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 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.