US2927045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making artificially colored granules and product thereof
Assignee: 3M Co
•
Filing: 1956-08-17
•
Granted: 1960-03-01
•
Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 James R Lodge
- 👤 Robert H Fehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:35
CPC Classifications
E; E04; E04D; E04D7/00; E04D7/005; B; B01; B01J; B01J2/00; B01J2/006; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN THE MANUFACTURE OF ARTIFICIALLY COLORED MINERAL GRANULES HAVING A PIGMENTED INSOLUBILIZED ALKALI SILICATE COLOR COATING OF HIGH COLOR INTENSITY AND WITH IMPROVED EFFICIENCY IN THE UTILIZATION OF PIGMENT COMPONENTS, THE METHOD INCLUDING DISPERSING A SIGNIFICANT SMALL QUANTITY OF A SILICONE IN A PIGMENTED AQUEOUS ALKALI SILICATE COLORCOATING COMPOSITION, APPLYING SAID COMPOSITION TO THE RAW GRANULES, DRYING THE COATED GRANULES TO A FREE-FLOWING STATE, AND THEN FIRING THE COATED GRANULES.
Claim 2
Dependent Claim
70 words
IN THE MANUFACTURE OF ARTIFICIALLY COLORED MINERAL GRANULES HAVING A PIGMENTED INSOLUBILIZED ALKALI SILICATE COLOR COATING OF HIGH COLOR INTENSITY AND WITH IMPROVED EFFICIENCY IN THE UTILIZATION OF PIGMENT COMPONENTS, THE METHOD INCLUDING DISPERSING A SIGNIFICANT SMALL QUANTITY OF A SILICONE IN A PIGMENTED AQUEOUS ALKALI SILICATE COLORCOATING COMPOSITION, APPLYING SAID COMPOSITION TO THE RAW GRANULES, DRYING THE COATED GRANULES TO A FREE-FLOWING STATE, AND THEN FIRING THE COATED GRANULES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |