Sperm oil substitute from blend of alcohol-carboxylic acid esters with liquid fat
CA 1104121 A · Owner: Smith (Werner G.), Inc. · Inventors: Zipf, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid lubricant comprising a blend from about 50 percent to about 90 percent by weight of an ester of a monohydric alcohol having from about 10 to about 18 carbon atoms and a monocarboxylic acid having 12 to 24 carbon atoms and from, about 10 percent to about 50 percent by weight of a fat liquid at room temperatures, such as fish oil. One or more of the monohydric alcohol, monocarboxylic acid and liquid fat have, sufficient carbon-to-carbon unsaturation to impart to the blend an iodine number up to about 140. The lubricant has a balance of properties adapting it to be used as a substitute for sperm oil, for example, a pour point below 50°F. and a S.U.S. viscosity at 100°F. within the …
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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 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.
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.