Patent US3099574A successfully refreshed from Google Patents.
US3099574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coloring stones and other mineral aggregates
Assignee: California Stucco Products of N E Inc
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Filing: 1959-06-24
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Granted: 1963-07-30
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Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Napoleon M Bernier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:04
CPC Classifications
E; E04; E04D; E04D7/00; E04D7/005; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR PROVIDING COLORED AGGREGATES SUITABLE FOR USE IN STUCCO, PLASTER AND ASPHALT FACING AND COATINGS WHICH COMPRISES THE STEPS OF MIXING A CHARGE OF MINERAL AGGREGATES WITH A COLORED FLUID RESIN SURFACE COATING COMPOSITION SUBSTANTIALLY ACCORDING TO THE PROPORTIONS OF THE FOLLOWING FORMULA PER 100 LBS. OF CRUSHED STONE: APPROXIMATELY 30 OUNCES OF AN EPOXY RESIN REACTION PRODUCT OF BISPHENOL A AND EPICHLOROHYDRIN. 25-50% BY WEIGHT OF THE EPOXY RESIN OF AN AMINE CURING AGENT SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE DIAMINE AND A MIXTURE OF APPROXIMATELY ONE PART BY WEIGHT DIMETHYLAMINO ETHANOL AND 6 PARTS BY WEIGHT TRIETHYLENE AMINE; AND AN EFFECTIVE AMOUNT IN THE RANGE OF APPROXIMTELY 2 TO 3 OUNCES OF A COLORING PIGMENT. AND AGITATING SAID AGGREGATES TO COAT THE SAME AND TO DISPERSE THE AGGREGATES.
Claim 2
Dependent Claim
133 words
A PROCESS FOR PROVIDING COLORED AGGREGATES SUITABLE FOR USE IN STUCCO, PLASTER AND ASPHALT FACING AND COATINGS WHICH COMPRISES THE STEPS OF MIXING A CHARGE OF MINERAL AGGREGATES WITH A COLORED FLUID RESIN SURFACE COATING COMPOSITION SUBSTANTIALLY ACCORDING TO THE PROPORTIONS OF THE FOLLOWING FORMULA PER 100 LBS. OF CRUSHED STONE: APPROXIMATELY 30 OUNCES OF AN EPOXY RESIN REACTION PRODUCT OF BISPHENOL A AND EPICHLOROHYDRIN. 25-50% BY WEIGHT OF THE EPOXY RESIN OF AN AMINE CURING AGENT SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE DIAMINE AND A MIXTURE OF APPROXIMATELY ONE PART BY WEIGHT DIMETHYLAMINO ETHANOL AND 6 PARTS BY WEIGHT TRIETHYLENE AMINE; AND AN EFFECTIVE AMOUNT IN THE RANGE OF APPROXIMTELY 2 TO 3 OUNCES OF A COLORING PIGMENT. AND AGITATING SAID AGGREGATES TO COAT THE SAME AND TO DISPERSE THE AGGREGATES.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |