US3320115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for bonding polyolefin to metal and article of manufacture
Assignee: Hercules LLC
•
Filing: 1964-09-03
•
Granted: 1967-05-16
•
Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Donald E Reid
- 👤 Harold M Spurlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:12
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B29; B29C; B29C63/00; B29C63/48; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B27/00; C08F; C08F8/00; C08F8/40; C08J2323/00; C08J2323/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METAL OBJECT HAVING AN ADHERENT, UNIFORM LAYER OF CRYSTALLINE POLYOLEFIN BONDED THERETO THROUGH AN INTERMEDITE LAYER OF A PHOSPHORYLATED PROPYLENE POLYMER CONTAINING PHOSPHONOIC ACID SUBSTITUENT GROUPS.
Claim 2
Dependent Claim
27 words
A METAL OBJECT HAVING AN ADHERENT, UNIFORM LAYER OF CRYSTALLINE POLYOLEFIN BONDED THERETO THROUGH AN INTERMEDITE LAYER OF A PHOSPHORYLATED PROPYLENE POLYMER CONTAINING PHOSPHONOIC ACID SUBSTITUENT GROUPS.
References Cited (Backward Citations)
US2366895A
Cited
US2541027A
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US2675339A
Cited
US3155744A
Cited
US3079278A
Cited
US3192092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |