Polyolefin compositions stabilized with long chain n, n-dialkylhydroxylamines
CA 1309536 C · Owner: Patel, Ambelal R. · Inventors: Seltzer, Raymond; Patel, Ambelal R.; Ravichandran, Ramanathan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
21489-7594, A-16848/=/CGC 1324, POLYOLEFIN COMPOSITIONS STABILIZED WITH LONG CHAIN N,N-DIALKYLHYDROXYL- AMINES, Abstract of the Disclosure, Long chain N,N-dialkylhydroxylamines of the formula I T1T2NOH (I), wherein T1 and T2 are independently alkyl of 16 to 18 carbon atoms represent particularly valuable process stabilizers for polyolefin compositions. The hydroxylamine derived from di(hydrogenated tallow)amine is particularly useful for this purpose. These long chain N,N-dialkylhydroxylamines are very resistant to extraction from polyolefin compositions.
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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 October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2009.
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Timeline
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.