Halogenated ethylene random copolymer
CA 1254237 A · Owner: Mitsui Petrochemical Industries, Ltd. · Inventors: Sueoka, Eizo; Ozaki, Yoshimi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A halogenated product of a low-molecular weight ethylene random copolymer comprising ethylene and at least one alpha-olefin having 3 to 20 carbon atoms wherein:, (i) the starting low-molecular weight ethylene random copolymer contains 30% to 75% by mole of the ethylene component and 25% to 70% by mole of the alphaolefin component;, (ii) the halogen content of the halogenated product is 5% to 75% by weight;, (iii) the intrinsic viscosity n of the halogenated product is 0.01 to 0.5 dl/g determined at 135°C in decalin;, (iv) the molecular weight distribution Mw/Mn of the halogenated product, wherein Mw and Mn represent a weight-average molecular weight and a number-average molecular weight, …
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 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 2006.
- 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.