Manufacture of glycol esters
CA 1101441 A · Owner: Basf Aktiengesellschaft · Inventors: Weitz, Hans-Martin; Hartig, Juergen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
O.Z. 31,984/32,147, ABSTRACT OF THE DISCLOSURE 1,2-Glycol esters are obtained particularly advantageously by, reacting an olefin with molecular oxygen and a carboxylic acid if a reaction product of o-titanic acid with low molecular weight alcohols or carboxylic acids, eg. dititanium hexaacetate is used, as the catalyst.
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 May 19, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 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.