US2876204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax-polyethylene-polyisobutylene
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1951-12-07
•
Granted: 1959-03-03
•
Expires: 1971-12-07
Abstract
No abstract record available.
Inventors
- 👤 Helmuth G Schneider
- 👤 David W Young
- 👤 Julius P Rocca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:30
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOSITION CONSISTING OF PARAFFIN WAX, ABOUT 0.1 TO 2% OF POLYETHLENE HAVING A MOLECULAR WEIGHT OF ABOUT 20,000 TO 30,000, AND ABOUT 0.1 TO 3% OF POLYISOBUTYLENE.
Claim 2
Dependent Claim
28 words
A COMPOSITION CONSISTING OF PARAFFIN WAX, ABOUT 0.1 TO 2% OF POLYETHLENE HAVING A MOLECULAR WEIGHT OF ABOUT 20,000 TO 30,000, AND ABOUT 0.1 TO 3% OF POLYISOBUTYLENE.
References Cited (Backward Citations)
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US2339958A
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US2612458A
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US2453644A
Cited
US2581907A
Cited
US2582037A
Cited
US2606120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |