US3345206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition containing a carboxyl modified elastomer, adhesive sheet coatedtherewith, and method of making the adhesive sheet
Assignee: Permacel
•
Filing: 1963-07-22
•
Granted: 1967-10-03
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Korpman Ralf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:40
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/20; C09J113/00; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2874; Y10T428/2878; Y10T428/2883; Y10T428/2887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION COMPRISING A CARBOXYL MODIFIED RUBBERY DIENE ELASTOMER, A TACKIFIER IN AN AMOUNT OF FROM ABOUT 50 TO ABOUT 500 PARTS BY DRY WEIGHT FOR EVERY 100 PARTS BY DRY WEIGHT OF ELASTOMER; AND AN OIL SOLUBLE AND HEAT REACTIVE ALDEHYDE CURING RESIN IN AN AMOUNT OF FROM ABOUT 2 TO ABOUT 100 PARTS BY DRY WEIGHT FOR EVERY 100 PARTS BY DRY WEIGHT OF ELASTOMER SAID PRESSURE SENSITIVE ADHESIVE COMPOSITION HAVING A CURING TIME OF NO GREATER THAN ABOUT 5 MINUTES AT A TEMPERATURE OF 500*F.
Claim 2
Dependent Claim
93 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION COMPRISING A CARBOXYL MODIFIED RUBBERY DIENE ELASTOMER, A TACKIFIER IN AN AMOUNT OF FROM ABOUT 50 TO ABOUT 500 PARTS BY DRY WEIGHT FOR EVERY 100 PARTS BY DRY WEIGHT OF ELASTOMER; AND AN OIL SOLUBLE AND HEAT REACTIVE ALDEHYDE CURING RESIN IN AN AMOUNT OF FROM ABOUT 2 TO ABOUT 100 PARTS BY DRY WEIGHT FOR EVERY 100 PARTS BY DRY WEIGHT OF ELASTOMER SAID PRESSURE SENSITIVE ADHESIVE COMPOSITION HAVING A CURING TIME OF NO GREATER THAN ABOUT 5 MINUTES AT A TEMPERATURE OF 500*F.
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |