Expired Canadian patentCanada
Sulfur composition with mica
CA 1073572 A · Owner: Chevron Research And Technology Company · Inventors: Simic, Milutin
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition containing sulfur a sulfur plasticizer and mica. The composition is surprisingly strong even without glass fiber in the composition. The composition can be used as a coating formulation or as a binder.
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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 March 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 11, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 11, 1980
Term endedMarch 11, 1997
Patent numberCA 1073572 A
Classification (IPC)C08K3/06 +2 more
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.