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US3390115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride adhesive compositions
Assignee: Eastman Kodak Co
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Filing: 1964-12-29
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Granted: 1968-06-25
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Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 William J Gammans
- 👤 Iii Alfred G Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:48
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; C08F; C08F259/00; C08F259/02; C08F259/04; C09; C09J; C09J127/00; C09J127/02; C09J127/04; C09J127/06; C08L; C08L2666/00; C08L2666/28; C08L2666/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE PROCESS FOR OBTAINING AN EXCEPTIONALLY STRONG BOND COMPRISING CONTACTING THE SURFACES TO BE BONDED WITH A COMPOSITION OF MATTER COMPRISING A MIXTURE OF POLYVINYL CHLORIDE, A PLASTICIZER THEREFOR, AND AT LEAST ONE ESTER SELECTED FROM THE GROUP CONSISTING OF THE MONO- AND DI-METHACRYLATE ESTERS OF 2,2,4-TRIMETHYL-1,3-PENTANEDIOL AND 2,2-DIMETHYL-1,3-PROPANEDIOL, THE TOTAL AMOUNT OF SAID ESTER AND PLASTICIZER COMPRISING FROM ABOUT 40 TO ABOUT 80 PARTS/100 PARTS OF SAID POLYVINYL CHLORIDE, AND THEREAFTER HEATING THE MIXTURE UNTIL A CURE IS OBTAINED.
Claim 2
Dependent Claim
80 words
THE PROCESS FOR OBTAINING AN EXCEPTIONALLY STRONG BOND COMPRISING CONTACTING THE SURFACES TO BE BONDED WITH A COMPOSITION OF MATTER COMPRISING A MIXTURE OF POLYVINYL CHLORIDE, A PLASTICIZER THEREFOR, AND AT LEAST ONE ESTER SELECTED FROM THE GROUP CONSISTING OF THE MONO- AND DI-METHACRYLATE ESTERS OF 2,2,4-TRIMETHYL-1,3-PENTANEDIOL AND 2,2-DIMETHYL-1,3-PROPANEDIOL, THE TOTAL AMOUNT OF SAID ESTER AND PLASTICIZER COMPRISING FROM ABOUT 40 TO ABOUT 80 PARTS/100 PARTS OF SAID POLYVINYL CHLORIDE, AND THEREAFTER HEATING THE MIXTURE UNTIL A CURE IS OBTAINED.
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |