Patent DE459180C successfully refreshed from Google Patents.
Patent US5252500A successfully refreshed from Google Patents.
Patent CA800659A successfully refreshed from Google Patents.
CA800659A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Poly(tetramethylene glycol) having a narrow molecular weight distribution and its manufacture
Assignee: Eastman Kodak Co
•
Filing: —
•
Granted: 1968-12-03
•
Expires: 1985-12-03
Abstract
No abstract record available.
Inventors
- 👤 E. Gee Robert
- 👤 E. Stanin Theodore
- 👤 H. Seaton William
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-28 21:04
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.