Patent US2764502A successfully refreshed from Google Patents.
US2764502A
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Method of treating resinous materials to improve their adhesion characteristics
Assignee: Remedium Group Inc
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Filing: 1954-11-26
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Granted: 1956-09-25
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Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Cherry L Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A METHOD OF CEMENTING PLASTICS SELECTED FROM THE GROUP CONSISTING OF POLYAMIDE RESINS AND POLYESTER CONDENSATION PRODUCTS OF POLYBASIC ACIDS AND POLYHYDROXY ALCOHOLS, THE STEPS OF CONTACTING THE SURFACE TO BE CEMENTED WITH AN AQUEOUS ALKALINE SOLUTION, RINSING THE SURFACE TO REMOVE ADHERING ALKALINE SOLUTION, CONTACTING THE SURFACE WITH AN AQUEOUS SOLUTION OF A SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF TIN AND LEAD, RINSING AND DRYING THE SURFACE AND APPLYING A CEMENT TO IT.
Claim 2
Dependent Claim
79 words
IN A METHOD OF CEMENTING PLASTICS SELECTED FROM THE GROUP CONSISTING OF POLYAMIDE RESINS AND POLYESTER CONDENSATION PRODUCTS OF POLYBASIC ACIDS AND POLYHYDROXY ALCOHOLS, THE STEPS OF CONTACTING THE SURFACE TO BE CEMENTED WITH AN AQUEOUS ALKALINE SOLUTION, RINSING THE SURFACE TO REMOVE ADHERING ALKALINE SOLUTION, CONTACTING THE SURFACE WITH AN AQUEOUS SOLUTION OF A SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF TIN AND LEAD, RINSING AND DRYING THE SURFACE AND APPLYING A CEMENT TO IT.
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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |