US3574153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water remoistenable hot melt adhesive compositions comprising mixtures of water soluble polymers with acid hydrolyzed polyvinyl acetate
Assignee: Ingredion Inc
•
Filing: 1967-07-06
•
Granted: 1971-04-06
•
Expires: 1987-07-06
Abstract
Abstract REMOISTENABLE HOT MELT ADHESIVE COMPOSITIONS COMPRISING A MIXTURE OF A WATER SOLUBLE POLYMERIC SPECIES WITH A POLYVINYL ACETATE WHICH HAS BEEN HYDROLYZED BY MEANS OF AN ACIDIC HYDROLYSIS TECHNIQUE TO THE EXTENT THAT FROM ABOUT 10 TO 63% OF ITS ORIGINAL NUMBER OF ACETATE GROUPS ARE CONVERTED INTO HYDROXYL GROUPS. FLEXIBLE WEB SUBSTRATES COATED ON AT LEAST ONE SURFACE, OR PART THEREOF, WITH SAID REMOISTENABLE HOT MELT ADHESIVE COMPOSITIONS. THESE ADHESIVE COMPOSITIONS 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
2026-11-01 13:56
CPC Classifications
C; C09; C09J; C09J129/00; C09J129/02; C09J129/04; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/32; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/28; Y10T428/2813; Y10T428/283; Y10T428/2852; Y10T428/2865; Y10T428/2878
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |