US3179719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin composition
Assignee: Phillips Petroleum Co
•
Filing: 1962-01-15
•
Granted: 1965-04-20
•
Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Martin R Cines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0807; C08L23/0815; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A BLEND OF TWO DIFFERENT ETHYLENE POLYMERS COMPRISING (A) FROM 25 TO 60 WEIGHT PERCENT OF A COPOLYMER OF ETHYLENE AND 1-BUTENE HAVING A DENSITY IN THE RANGE 0.930 TO 0.943 GM./CC. AND A MELT INDEX (ASTMD 1238-57T, CONDITION F) IN THE RANGE 1.0 TO 2.0; AND (B) THE REMAINDER A COPOLYMER OF ETHYLENE AND 1BUTENE HAVING A DENSITY IN THE RANGE 0.940 TO 0.960 GM./CC. AND A MELT INDEX IN THE RANGE O.5 TO 20 (ASTM-D 1238-57T, CONDITION E); SAID BLEND HAVING A MELT INDEX IN THE RANGE 0.07 TO 0.50 (ASTM-D 1238-57T, CONDITION E), A DENSITY IN THE RANGE 0.935 TO 0.950 GM./CC. AND A CARBON-CHAIN BRANCHING IN THE RANGE 2.0 TO 8.0 BRANCHES PER THOUSAND CARBON ATOMS.
Claim 2
Dependent Claim
120 words
A BLEND OF TWO DIFFERENT ETHYLENE POLYMERS COMPRISING (A) FROM 25 TO 60 WEIGHT PERCENT OF A COPOLYMER OF ETHYLENE AND 1-BUTENE HAVING A DENSITY IN THE RANGE 0.930 TO 0.943 GM./CC. AND A MELT INDEX (ASTMD 1238-57T, CONDITION F) IN THE RANGE 1.0 TO 2.0; AND (B) THE REMAINDER A COPOLYMER OF ETHYLENE AND 1BUTENE HAVING A DENSITY IN THE RANGE 0.940 TO 0.960 GM./CC. AND A MELT INDEX IN THE RANGE O.5 TO 20 (ASTM-D 1238-57T, CONDITION E); SAID BLEND HAVING A MELT INDEX IN THE RANGE 0.07 TO 0.50 (ASTM-D 1238-57T, CONDITION E), A DENSITY IN THE RANGE 0.935 TO 0.950 GM./CC. AND A CARBON-CHAIN BRANCHING IN THE RANGE 2.0 TO 8.0 BRANCHES PER THOUSAND CARBON ATOMS.
References Cited (Backward Citations)
CA628412A
Cited
FR1240852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |