Method of preparation of novel 2-(alkoxymethyl)- pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1, 5-diurethanes, and 2-(alkoxymethyl)-pentane-1,5- dicarbamic acid chlorides and their uses
CA 1297488 C · Owner: Schwarz, Wolfgang · Inventors: Merger, Franz; Schwarz, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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METHOD OF PREPARATION OF NOVEL 2-(ALKOXYMETHYL)-PENTANE- 1,5-DIISOCYANATES, 2-(ALKOXYMETHYL)-PENTANE-1,5-DIURETHANES AND 2-(ALKOXYMETHYL)-PENTANE-1,5-DICARBAMIC ACID CHLORIDES AND THEIR USES, Abstract of Disclosure This invention relates to novel 2-(alkoxymethyl)pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1,5diurethanes, and 2-(alkoxymethyl)-pentane 1,5-dicarbamic acid chlorides having the structure:, in which R is a straight chain or branched C1-C20-alkyl radical a, straight chain or branched C2-C20-alkenyl radical a, straight chain or branched C3-C20-oxaalkyl radical an, optionally substituted C5-C12-cycloalkyl radical or an, optionally substituted C7-C20-aralkyl radical and X is …
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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
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