US3671382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water and heat resistant adhesive
Assignee: Ingredion Inc
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Filing: 1970-06-17
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Granted: 1972-06-20
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Expires: 1990-06-17
Abstract
Abstract AN AQUEOUS ADHESIVE DISPERSION CONTAINING: CASEIN; A REACTIVE COPOLYMER OF VINYL ACETATE WITH EITHER METHYLOL ACRYLAMIDE, A (LOWER) UNSATURATED ALIPHATIC ACID OR A MIXTURE OF SAID ACRYLAMIDE AND ACID COPOLYMERS: A COPOLYMER OF VINYL ACETATE WITH A (LOWER) ALPHA-OLEFIN; AN ACID GENERATING SALT HAVING A VOLATILE COMPONENT; A PHENYLSULFONAMIDE PLASTICIZER FOR CASEIN; AND A SUFFICIENT QUANTITY OF A VOLATILE ALKALIZING AGENT TO IMPART A PH OF ABOUT 6.5 TO 7.5 TO SAID DISPERSION. THE DISPERSION CAN BE USED FOR LAMINATING METAL FOIL TO CELLULOSIC MATERIALS.
Inventors
- 👤 Andrew Earl Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:24
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2205/00; C08L2205/02; C08L2666/00; C08L2666/02; C08L2666/26; C08L2666/28; C08L2666/54; C08L31/00; C08L31/02; C08L31/04; C08L89/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31685; Y10T428/31692; Y10T428/31725; Y10T428/31765; Y10T428/31768; Y10T428/31772; Y10T428/31775
Claims Analysis
Total Claims: 0
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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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |