US2799596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive tape
Assignee: Permacel Tape Corp
•
Filing: 1953-10-23
•
Granted: 1957-07-16
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Verne L Frantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:18
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/205; C09J7/21; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING A FIBROUS WEB BACKING AND A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COATED ON A MAJOR SURFACE THEREOF, SAID WEB BEING IMPREGNATED IN AMOUNT APPROXIMATELY 0.01 TO 50% BY WEIGHT OF THE IMPREGNATED WEB WITH A COMPOSITION COMPRISING A RESIN WHICH IS THE REACTION PRODUCT OF POLYMERIZED FATTY ACIDS OF VEGETABLE OILS AND ETHYLENE DIAMINE AND A WATER-INSOLUBLE, COMPATIBLE, HEAT-ADVANCING AND THERMOSETTING RESIN SELECTED FROM THE GROUP CONSISTING OF HEAT-ADVANCING PHENOLIC ALDEHYDE RESINS AND HEAT-ADVANCING EPOXY RESINS , SAID IMPREGNATED WEB HAVING THE CHARACTERISTICS OF A LACK OF AFFINITY FOR SAID ADHESIVE AND ENABLING EASY REMOVAL OF THE ADHESIVE LAYER FROM THE SURFACE OF AN UNDERLYING PLY OF AND TAPE.
Claim 2
Dependent Claim
117 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING A FIBROUS WEB BACKING AND A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COATED ON A MAJOR SURFACE THEREOF, SAID WEB BEING IMPREGNATED IN AMOUNT APPROXIMATELY 0.01 TO 50% BY WEIGHT OF THE IMPREGNATED WEB WITH A COMPOSITION COMPRISING A RESIN WHICH IS THE REACTION PRODUCT OF POLYMERIZED FATTY ACIDS OF VEGETABLE OILS AND ETHYLENE DIAMINE AND A WATER-INSOLUBLE, COMPATIBLE, HEAT-ADVANCING AND THERMOSETTING RESIN SELECTED FROM THE GROUP CONSISTING OF HEAT-ADVANCING PHENOLIC ALDEHYDE RESINS AND HEAT-ADVANCING EPOXY RESINS , SAID IMPREGNATED WEB HAVING THE CHARACTERISTICS OF A LACK OF AFFINITY FOR SAID ADHESIVE AND ENABLING EASY REMOVAL OF THE ADHESIVE LAYER FROM THE SURFACE OF AN UNDERLYING PLY OF AND TAPE.
References Cited (Backward Citations)
US2484416A
Cited
US2495008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |