Halogenated ethylene polymers with improved resistance to agglomeration
CA 1259446 A · Owner: The Dow Chemical Company · Inventors: Young, Warren L.; Meiske, Larry A.; Jones, Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Halogenated polyethylene resins and halogenated ethylene polymer resins having a reduced tendency to "block" are provided. The halogenated resins are prepared respectively from polyethylene and ethylene polymer starting materials which have a weight-based median particle size of from 160 to 600 microns and a weight-based particle size distribution such that more than 60 percent of the particles have a particle size of from 150 to 850 microns. The halogenated resins also have a weight-based median particle size of from 200 to 900 microns. The halogenated polyethylene resins have a chemically combined halogen content of from 26 to 42 weight percent whereas the halogenated ethylene polymer …
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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 September 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 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.