US3632786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl alcohol adhesive composition with high wet tack containing a boron compound and a cis 1 2 polyol compound
Assignee: Air Products and Chemicals Inc
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Filing: 1968-11-12
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Granted: 1972-01-04
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Expires: 1988-11-12
Abstract
Abstract DISCLOSED HEREIN IN AN ADHESIVE COMPOSITION WITH HIGH WET TACK, WHICH COMPRISES: (A) A POLYVINYL ALCOHOL RESIN, (B) A WATER SOLUBLE BORON COMPOUND SUCH AS BORI ACID, BORIC OXIDE OR BORAX AND (C) A POLYOL SELECTED FROM THE GROUP CONSISTIN OF CIS 1,2-POLYOLS AND CERTAIN 1,3-POLYOLS SUCH AS SORBITOL AND MANNITOL. THE COMPOSITION ALSO INCLUDES AN INERT FILLER SUCH AS CLAY AND MAY OPTIONALLY INCLUDE AN ADDITIONAL BINDER MATERIAL SUCH AS POLYVINYL ACETATE.
Inventors
- 👤 Ralph F Nickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
C; C09; C09J; C09J129/00; C09J129/02; C09J129/04; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34; C08L2666/54
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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |