BackDate of JudgmentApril 29, 2002Issuing AuthorityFederal Court of AppealLevel of the Issuing AuthorityAppellate InstanceType of ProcedureJudicial (Civil)Subject MatterPatents (Inventions)Plaintiff/AppellantBaker Petrolite Corporation, Petrolite Holdings Inc., Baker Hughes Canada CompanyDefendant/RespondentCanwell Enviro-Industries Ltd., Clive Titley, and The City of Medicine HatKeywords
Claim construction,
Disclosure,
Anticipation (Novelty),
Oil and gas,
Industrial chemicals