Patent US3597264A successfully refreshed from Google Patents.
US3597264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remoistenable hot melt adhesive articles
Assignee: Ingredion Inc
•
Filing: 1970-02-02
•
Granted: 1971-08-03
•
Expires: 1990-02-02
Abstract
Abstract FLEXIBLE WEB SUBSTRATES COATED ON AT LEAST ONE SURFACE, OR PART THEREOF, WITH A REMOISTENABLE HOT MELT ADHESIVE COMPOSITION CONTAINING AS THE PRIMARY INGREDIENT THEREOF, POLYVINYL ACETATE WHICH HAS BEEN HYDROLYZED BY MEANS OF AN ACID HYDROLYSIS TECHNIQUE TO THE EXTENT THAT FROM ABOUT 50 TO 85% OF ITS ORIGINAL NUMBER OF ACETATE GROUPS ARE CONVERTED INTO HYDROXYL GROUPS. REMOISTENABLE HOT MELT ADHESIVES CONTAINING THE LATTER HYDROLYSIS PRODUCTS ARE IDEALLY SUITED FOR USE IN THE MANUFACTURE OF ENVELOPES, STAMPS, GUMMED TAPES AND WALLPAPER, ETC.
Inventors
- 👤 Julius Sirota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:43
CPC Classifications
C; C09; C09J; C09J129/00; C09J129/02; C09J129/04; C08; C08F; C08F8/00; C08F8/12; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/32; C08L; C08L2666/00; C08L2666/28; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/283; Y10T428/2852; Y10T428/2878; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |