Patent US3000856A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3000856A Expired / Lapsed US ⏱️ 0.0 years remaining

Poly-alpha-olefin composition stabilized against ultraviolet light deterioration

Assignee: Eastman Kodak Co
•
Filing: 1959-06-15
•
Granted: 1961-09-19
•
Expires: 1979-06-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Gordon C Newland
  • 👤 John W Tamblyn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 17:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 34 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A POLYA-OLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE CONTAINING .001% TO 10% BY WEIGHT BASED ON SAID POLY-A-OLEFIN OF A STABILIZER COMBINATION COMPRISING 2,2''-METHYLENE-BIS(6-METHYLCYCLOHEXYLP-CRESOL) AND 2-HYDROXY-5-OCTYLBENZOPHENONE.
Claim 2
Dependent Claim 34 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A POLYA-OLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE CONTAINING .001% TO 10% BY WEIGHT BASED ON SAID POLY-A-OLEFIN OF A STABILIZER COMBINATION COMPRISING 2,2''-METHYLENE-BIS(6-METHYLCYCLOHEXYLP-CRESOL) AND 2-HYDROXY-5-OCTYLBENZOPHENONE.

References Cited (Backward Citations)

GB797344A Cited
US2852488A Cited
US2887466A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-18 1965-03-20 1965-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-18 1969-03-20 1969-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-18 1973-03-20 1973-09-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag