US3271340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin polymers modified with polypropylene wax
Assignee: Eastman Kodak Co
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Filing: 1960-12-30
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Granted: 1966-09-06
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Newton H Shearer
- 👤 James E Guillet
- 👤 Jr Harry W Coover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:10
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L23/18; C08L23/20; C08L91/00; C08L91/06; C08L2205/00; C08L2205/02; C08L2205/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN A-OLEFIN POLYMER BLEND EXHIBITING IMPROVED PHYSICAL PROPERTIES CONSISTING ESSENTIALLY OF (1) SOLID HYDROCARBON POLYMER OA AN A-OLEFIN CONTAINING 3-10 CARBON ATOMS, SAID POLYMER HAVING A DENSITY OF LEAST 0.80, A MELTING POINT IN THE RANGE OF ABOUT 45* TO ABOUT 350*C. AND AN INHERENT VISCOSITY IN THE RANGE OF ABOUT 09 TO ABOUT 5 IN TETRALIN AT 145*C. AND (2) AND (2) ABOUT 3 TO ABOUT 50% BY WEIGHT, BASED ON THE COMPOSITION, OF POLYPROPYLENE WAX HAVING A DENSITY OF AT LEAST 0.88, A MELTING POINT IN THE RANGE OF ABOUT 130* TO ABOUT 180*C. AND AN INHERENT VISCOSITY IN THE RANGE OF ABOUT .05 TO ABOUT .5 IN TETRALIN AT 145*C.
Claim 2
Dependent Claim
113 words
AN A-OLEFIN POLYMER BLEND EXHIBITING IMPROVED PHYSICAL PROPERTIES CONSISTING ESSENTIALLY OF (1) SOLID HYDROCARBON POLYMER OA AN A-OLEFIN CONTAINING 3-10 CARBON ATOMS, SAID POLYMER HAVING A DENSITY OF LEAST 0.80, A MELTING POINT IN THE RANGE OF ABOUT 45* TO ABOUT 350*C. AND AN INHERENT VISCOSITY IN THE RANGE OF ABOUT 09 TO ABOUT 5 IN TETRALIN AT 145*C. AND (2) AND (2) ABOUT 3 TO ABOUT 50% BY WEIGHT, BASED ON THE COMPOSITION, OF POLYPROPYLENE WAX HAVING A DENSITY OF AT LEAST 0.88, A MELTING POINT IN THE RANGE OF ABOUT 130* TO ABOUT 180*C. AND AN INHERENT VISCOSITY IN THE RANGE OF ABOUT .05 TO ABOUT .5 IN TETRALIN AT 145*C.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |