Patent US3243396A successfully refreshed from Google Patents.
US3243396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions containing waxes, polyethylene, polypropylene, and a polyterpene resin
Assignee: ExxonMobil Oil Corp
•
Filing: 1962-04-06
•
Granted: 1966-03-29
•
Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Irving P Hammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:22
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; B; B32; B32B; B32B27/00; C; C09; C09D; C09D123/00; C09D123/02; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A PLASTIC COMPOSITION FOR COATING MILK CONTAINERS AND SIMILAR ARTICLES COMPRISING: ABOUT 83-59% BY WEIGHT PETROLEUM WAX CONSISTING ESSENTIALLY OF A MIXTURE OF PARAFFIN WAX AND MICROCRYSTALLINE WAX IN A WEIGHT RATIO FROM ABOUT 55/25 TO ABOUT 57/10, ABOUT 5-20% BY WEIGHT SOLID POLYETHYLENE, ABOUT 5-20% BY WEIGHT SOLID ISOTACTIC POLYPROPYLENE, THE RATIO OF POLYETHYLENE TO POLYPROPYLENE BEING BETWEEN ABOUT 2:1 AND ABOUT 1:2, AND ABOUT 1-7% BY WEIGHT OF SOLID POLYTERPENE RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |