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US2901337A
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US
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Abrasive articles and method of making the same
Assignee: Union Carbide Corp
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Filing: 1956-07-31
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Granted: 1959-08-25
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Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 William A Keutgen
- 👤 Charles R Davall
- 👤 Rupert S Daniels
- 👤 Robert D Noyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; B24D3/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A COMPOSITION FOR MAKING ABRASIVE ARTICLES CONSISTING ESSENTIALLY OF ABRASIVE GRAINS COATED WITH AN ORGANIC LIQUID WETTING AGENT AND DISPERSED THROUGHOUT AS A HEAT HARDENABLE BINDSER FOR SAID GRAINS, FUSIBLE HEAT-POLISHED SOLID MICROSPHERES OF A GROUND HEAT-HARDENABLE PHENOL ALDEHYDE RESIN, SAID MICROSPHERES HAVING A SIZE OF ABOUT 5 TO 150 MICRONS IN A DIAMETER AND HAVING A HIGHER BULK DENSITY THAN THE GROUND FUSIBLE PARTICLES OF SAID RESIN BEFORE HEAT POLISHING INTO MICROSPHERES.
Claim 2
Dependent Claim
73 words
A COMPOSITION FOR MAKING ABRASIVE ARTICLES CONSISTING ESSENTIALLY OF ABRASIVE GRAINS COATED WITH AN ORGANIC LIQUID WETTING AGENT AND DISPERSED THROUGHOUT AS A HEAT HARDENABLE BINDSER FOR SAID GRAINS, FUSIBLE HEAT-POLISHED SOLID MICROSPHERES OF A GROUND HEAT-HARDENABLE PHENOL ALDEHYDE RESIN, SAID MICROSPHERES HAVING A SIZE OF ABOUT 5 TO 150 MICRONS IN A DIAMETER AND HAVING A HIGHER BULK DENSITY THAN THE GROUND FUSIBLE PARTICLES OF SAID RESIN BEFORE HEAT POLISHING INTO MICROSPHERES.
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |