US2964422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive sheet and method of manufacture
Assignee: Johnson and Johnson
•
Filing: 1958-02-28
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Granted: 1960-12-13
•
Expires: 1978-02-28
Abstract
No abstract record available.
Inventors
- 👤 Milton A Bergstedt
- 👤 John H Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:35
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/50; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2843
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE SHEET COMPRISING A FLEXIBLE BACKING, A PRIMER COATING ON AT LEAST ONE SIDE OF SAID BACKING, SAID PRIMER COATING COMPRISING AN ELASTOMERIC POLYMER, A MULTIFUNCTIONAL ISOCYANATE SELECTED FROM THE GROUP CONSISTING OF POLYISOCYANATES, POLYISOTHIOCYANATES AND MIXED ISOCYANATE-ISOTHIOCYANATE COMPOUNDS, AN INORGANIC HYDRATE, THE INORGANIC HYDRATE BEING IN AN AMOUNT FROM ABOUT 5 TO ABOUT 50 PARTS BY WEIGHT PER 100 PARTS OF ELASTOMERIC POLYMER AND THE MULTI-FUNCTIONAL ISOCYANATE BEING IN AN AMOUNT FROM ABOUT 5 TO ABOUT 50 PARTS BY WEIGHT PER 100 PARTS OF ELASTOMERIC POLYMER, AND ON SAID PRIMER COATING A COATING OF A NORMALLY TACKY AND PRESSURE SENSITIVE ADHESIVE COMPATIBLE WITH THE PRIMER COAT.
Claim 2
Dependent Claim
111 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE SHEET COMPRISING A FLEXIBLE BACKING, A PRIMER COATING ON AT LEAST ONE SIDE OF SAID BACKING, SAID PRIMER COATING COMPRISING AN ELASTOMERIC POLYMER, A MULTIFUNCTIONAL ISOCYANATE SELECTED FROM THE GROUP CONSISTING OF POLYISOCYANATES, POLYISOTHIOCYANATES AND MIXED ISOCYANATE-ISOTHIOCYANATE COMPOUNDS, AN INORGANIC HYDRATE, THE INORGANIC HYDRATE BEING IN AN AMOUNT FROM ABOUT 5 TO ABOUT 50 PARTS BY WEIGHT PER 100 PARTS OF ELASTOMERIC POLYMER AND THE MULTI-FUNCTIONAL ISOCYANATE BEING IN AN AMOUNT FROM ABOUT 5 TO ABOUT 50 PARTS BY WEIGHT PER 100 PARTS OF ELASTOMERIC POLYMER, AND ON SAID PRIMER COATING A COATING OF A NORMALLY TACKY AND PRESSURE SENSITIVE ADHESIVE COMPATIBLE WITH THE PRIMER COAT.
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |