US3134684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of adhering vinylidene chloride polymer to polyethylene
Assignee: WR Grace and Co
•
Filing: 1963-01-10
•
Granted: 1964-05-26
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Lillian W Northrop
- 👤 Donald S Scheufele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF IMPROVING THE ADHESION OF A VINYLIDENE CHLORIDE POLYMER TO POLYETHYLENE COMPRISING SUBJECTING POLYETHYLENE WHICH HAS BEEN COATED WITH A SOLUTION OF VINYLIDENE CHLORIDE POLYMER IN A SOLVENT AND THE SOLVENT REMOVED TO AN EXTENT SUFFICIENT TO FORM A COATING OF THE VINYLIDENE CHLORIDE POLYMER ON THE POLYETHYLENE TO ULTRA-
Claim 2
Independent Claim
52 words
A METHOD OF IMPROVING THE ADHESION OF A VINYLIDENE CHLORIDE POLYMER TO POLYETHYLENE COMPRISING SUBJECTING POLYETHYLENE WHICH HAS BEEN COATED WITH A SOLUTION OF VINYLIDENE CHLORIDE POLYMER IN A SOLVENT AND THE SOLVENT REMOVED TO AN EXTENT SUFFICIENT TO FORM A COATING OF THE VINYLIDENE CHLORIDE POLYMER ON THE POLYETHYLENE TO ULTRA-
References Cited (Backward Citations)
US2450503A
Cited
US2413973A
Cited
US2484529A
Cited
US2628214A
Cited
US2801446A
Cited
US2845541A
Cited
US2878519A
Cited
US2877500A
Cited
US2968576A
Cited
GB810169A
Cited
GB801479A
Cited
US2986507A
Cited
US3022543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |