Patent CA997889A successfully refreshed from Google Patents.
CA997889A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Unsymmetrical branched non-linear block copolymers
Assignee: Shell Internationale Research Maatschappij BV
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Filing: 1971-05-21
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Granted: 1976-09-28
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Expires: 1991-05-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur R. Bean (Jr.)
- 👤 James T. Harlan (Jr.)
- 👤 Donald W. Fraga
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-28 09:46
CPC Classifications
C; C08; C08G; C08G81/00; C08G81/02; C08G81/021; C08G81/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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