Patent US3067044A successfully refreshed from Google Patents.
US3067044A
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Modified shellac primer coatings
Assignee: American Bleached Shellac Manufacturers Association Inc
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Filing: 1959-06-22
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Granted: 1962-12-04
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Johnston
- 👤 Delmar E Lindner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:45
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31714
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A MODIFIED SHELLAC WASH PRIMER COATING COMPOSITION CONSISTING ESSENTIALLY OF A SHELLAC SOLVENT SOLUTION OF THE REACTION PRODUCT FROM MIXING 0.3-1 PART BY WEIGHT OF PHOSPHORIC ACID, 0.8-2 PARTS BY WEIGHT OF CHROMATE SELECTED FROM THE GROUP CONSISTING OF THE ALKALINE EARTH METAL CHROMATES, BASIC ZINC CHROMATE, AND MIXTURES THEREOF, AND 1 PART BY WEIGHT OF SHELLAC IN A SHELLAC SOLVENT, THE COMPOSITION HAVING A PH BELOW 4 AND A SOLID CONTENT FROM 3 TO 20 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
79 words
A MODIFIED SHELLAC WASH PRIMER COATING COMPOSITION CONSISTING ESSENTIALLY OF A SHELLAC SOLVENT SOLUTION OF THE REACTION PRODUCT FROM MIXING 0.3-1 PART BY WEIGHT OF PHOSPHORIC ACID, 0.8-2 PARTS BY WEIGHT OF CHROMATE SELECTED FROM THE GROUP CONSISTING OF THE ALKALINE EARTH METAL CHROMATES, BASIC ZINC CHROMATE, AND MIXTURES THEREOF, AND 1 PART BY WEIGHT OF SHELLAC IN A SHELLAC SOLVENT, THE COMPOSITION HAVING A PH BELOW 4 AND A SOLID CONTENT FROM 3 TO 20 PERCENT BY WEIGHT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |