US3652467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mastic adhesive composition containing rosin pot residue or its zinc salt or glycol polyester
Assignee: United States Department of Agriculture
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Filing: 1970-02-27
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Granted: 1972-03-28
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Expires: 1990-02-27
Abstract
Abstract MASTIC ADHESIVE COMPOSITIONS HAVING EXCELLENT PROPERTIES FOR ADHESIVE APPLICATIONS IN THE BUILDING TRADES INDUSTRY, WHICH COMPOSITIONS COMPRISE RELATIVE PROPORTIONS BY WEIGHT OF: 100 PARTS OF RECLAIM RUBBER; 50 TO 200 PARTS OF A ROSIN POT RESIDUE OR ITS ZINC SALT OR GLYCOL POLYESTER; AND A HYDROCARBON VEHICLE FOR THE RUBBER.
Inventors
- 👤 Albert R Bunk
- 👤 Bailey Bennett
- 👤 David A Berry
- 👤 Bernard A Parkin Jr
- 👤 Walter H Schuller
- 👤 Ray V Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
C; C08; C08L; C08L17/00; C08L93/00; C08L93/04
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) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |