US3335966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating and reclaiming of components from metallic-plastic laminate structures
Assignee: Dow Chemical Co
•
Filing: 1963-03-14
•
Granted: 1967-08-15
•
Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Haveman Gerrit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:49
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B32; B32B; B32B15/00; B32B15/04; B32B15/08; D; D01; D01D; D01D5/00; D01D5/42; D01D5/426; B29B2017/0213; B29B2017/0217; B29B2017/0237; B29B2017/0244; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2705/00; B29K2705/02; B29L; B29L2007/00; B29L2007/008; B29L2009/00; B29L2009/003; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/52; Y02W30/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
METHOD OF RECLAIMING THE PLASTIC COMPONENT OF A LAMINATE STRUCTURE COMPRISED OF ALUMINUM AND PLASTIC COMPONENTS, SAID RECLAIMED PLASTIC COMPONENT BEING ESSENTIALLY COMPLETELY FREE FROM ALUMINUM CONTAMINATION COMPRISING THE STEPS OF: (A) SUBJECTING RELATIVELY SMALL SEGMENTS OF SAID LAMINATE STRUCTURE TO A SHEARING FORCE SUFFICIENT TO FREE SAID ALUMINUM COMPONENT FROM SAID PLASTIC COMPONENT; (B) DISPERSING THE MIXTURE OF SAID COMPONENTS IN AN INERT AQUEOUS SOLUTION, SAID AQUEOUS SOLUTION HAVING A DENSITY GREATER THAN ONE COMPONENT AND LESS THAN THE OTHER COMPONENT AND HAVING DISPERSED THEREIN A SMALL AMOUNT OF MERCURIC CHLORIDE; AND (C) SUBSEQUENTLY RECOVERING SAID PLASTIC COMPONENT COMPLETELY FREE OF ALUMINUM CONTAMINATION.
References Cited (Backward Citations)
US2600867A
Cited
US2702162A
Cited
US2879005A
Cited
US2828860A
Cited
US2942792A
Cited
US3074653A
Cited
US3154255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |