Molding resins based on blends of acid copolymer/hydrocarbon polyolefin/reinforcing fiber/wetting agent
CA 1195025 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Murphy, Charles V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Blends of hydrocarbon polyolefin reinforcing, fiber, acid copolymer of .alpha.-olefin and .alpha..beta.-ethylenically unsaturated carboxylic acid and wetting agent are provided wherein the acid copolymer has from 0 to about 90 percent of the acid groups ionized by neutralization with metal ions. Such blends have excellent Izod impact values and fast molding cycles and as such are particularly suitable as molding resins.
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 October 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2002.
- 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.