Arc resistant composition
CA 1102107 A · Owner: Phillips Petroleum Company · Inventors: Needham, Donald G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure An arc resistant composition is produced by incorporating into poly(arylene sulfide) about 30-60 percent by weight of fillers comprising 0-75 weight percent of glass 0-, 50 weight percent of calcium carbonate and the remainder in-, cluding at least one of clay and talc. Preferably the content in clay and talc comprises from about 20 to about 50 weight percent of the arc resistant composition. Addition of small quantities of silanes to the arc resistant composition improves its water resistance or physical properties. Electrical components which must be arc resistant and electric arc-heater electrodes can be produced from the compositions made in accordance with …
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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 June 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 1998.
- 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.