US3600342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl alcohol-glyoxal-polyol adhesive composition
Assignee: Air Products and Chemicals Inc
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Filing: 1968-11-12
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Granted: 1971-08-17
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Expires: 1988-11-12
Abstract
Abstract DISCLOSED HEREIN IS AN ADHESIVE COMPOSITION COMPRISING (A) A POLYVINYL ALCOHOL RESIN,(B) GLYOXAL AND (C) A POLYOL SELECTED FROM THE GROUP CONSISTING OF CIS, 1,2-POLYOLS AND CERTAIN 1,3-POLYOLS. THE ADHESIVE COMPOSITIONS MAY CONTAIN MINOR AMOUNTS OF ADJUVANTS SUCH AS INERT FILLERS OR EXTENDERS, METHYL CELLULOSE, POTASSIUM TRIPOLYPHOSPHATE, SODIUM ACETATE AND MIXTURES THEREOF.
Inventors
- 👤 Ralph F Nickerson
- 👤 Harold D Weymouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:12
CPC Classifications
C; C09; C09J; C09J129/00; C09J129/02; C09J129/04; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/28; C08L2666/34; C08L29/00; C08L29/02; C08L29/04
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |