Reversible transformation of hydrocarbons
CA 2094044 A1 · Owner: Kalocsai, Guy Imre Zoltan · Inventors: Kalocsai, Guy Imre Zoltan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to a method for reversibly transforming a hydrocarbon into a phase more suitable for subsequent handling but from which the original hydrocarbon can be readily recovered. The hydrocarbon is contacted with a first reagent - which is usually a fatty acid - and then added to a second reagent - which is usually a mixture of Latex and an acetate - to produce an absorbent which absorbs the hydrocarbon to form a homogenous product. The elasticity of this homogenous product can be controlled. This homogenous product can be readily handled collected and moved, and the original hydrocarbon can be recovered by simple evaporation, distillation or re-dissolution of 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
- Filed October 29, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 29, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 29, 2013.
- 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.