Method for producing a cooling emulsion and the use thereof
CA 1181735 A · Owner: Horst Meinhardt · Inventors: Zimzik, Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for producing a cooling emulsion more, particularly for use as a drilling cutting and grinding aid, in the metal-processing industry whereby organic substances, which are insoluble per se in water are rendered water-soluble and are emulsified with water, in the first place a mixture is produced which consists of about 3 to 15% by weight of natural wax(es) of animal and/or vegetable origin 0.1 to, 0.45% by weight: of a commerically available emulsifier the, remainder - about 50% by weight - being water and an aqueous, di/triethanol mixture consisting of about 37.5% by weight of diethanolamine(s) and about 12.5% by weight of triethanolamine(s), the said mixture being then brought to …
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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 January 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2002.
- 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.