Patent US2989419A successfully refreshed from Google Patents.
US2989419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improving the adhesive bond and delamination resistance of fluorocarbon backed adhesive tape
Assignee: Johnson and Johnson
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Filing: 1957-05-14
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Granted: 1961-06-20
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Expires: 1977-05-14
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lamason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:10
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/50; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2843; Y10T428/2852; Y10T428/31504; Y10T428/3154; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN ADHESIVE SHEET COMPRISING A FLUOROCARBON POLYMER BACKING MATERIAL HAVING A SURFACE WHICH HAS BEEN ACTIVATED WITH A FLUID FORM OF A METAL, A PRIMER COATING ON SAID ACTIVATED SURFACE COMPRISING (A) FROM ABOUT 10 TO 90 PERCENT BY WEIGHT OF SAID PRIMER COATING OF A MATERIAL OF THE FORMULA M(OR)4 WHEREIN M DESIGNATES AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF SILICON AND TITANIUM AND WHEREIN R DESIGNATES A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL AND HYDROXY-SUBSTITUTED ALKYL RADICALS CONTAINING FROM ABOUT 1 TO 12 CARBON ATOMS, AND (B) FROM ABOUT 90 TO 10 PERCENT BY WEIGHT OF SAID PRIMER COATING OF A PRESSURE-SENSITIVE SILICONE ADHESIVE, AND AN ADHESIVE MASS COATING ON SAID PRIMER COATING, SAID ADHESIVE MASS COATING COMPRISING A NORMALLY TACKY AND PRESSURE-SENSITIVE SILICONE ADHESIVE.
Claim 2
Dependent Claim
130 words
AN ADHESIVE SHEET COMPRISING A FLUOROCARBON POLYMER BACKING MATERIAL HAVING A SURFACE WHICH HAS BEEN ACTIVATED WITH A FLUID FORM OF A METAL, A PRIMER COATING ON SAID ACTIVATED SURFACE COMPRISING (A) FROM ABOUT 10 TO 90 PERCENT BY WEIGHT OF SAID PRIMER COATING OF A MATERIAL OF THE FORMULA M(OR)4 WHEREIN M DESIGNATES AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF SILICON AND TITANIUM AND WHEREIN R DESIGNATES A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL AND HYDROXY-SUBSTITUTED ALKYL RADICALS CONTAINING FROM ABOUT 1 TO 12 CARBON ATOMS, AND (B) FROM ABOUT 90 TO 10 PERCENT BY WEIGHT OF SAID PRIMER COATING OF A PRESSURE-SENSITIVE SILICONE ADHESIVE, AND AN ADHESIVE MASS COATING ON SAID PRIMER COATING, SAID ADHESIVE MASS COATING COMPRISING A NORMALLY TACKY AND PRESSURE-SENSITIVE SILICONE ADHESIVE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |