US4184853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Individual abrasive grains with a silicon-base alloy coating
Assignee: Individual
•
Filing: 1976-04-21
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Granted: 1980-01-22
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Expires: 1996-04-21
Abstract
Abstract An abrasive material the grains of which have at least a three-component coating comprising silicon, at least one element of the group which consists of copper, silver, gold, aluminium and transition metals of the 4th-8th groups of the periodic system, and an element chosen from the group which consists of gallium, indium, thallium, germanium, tin, lead, phosphorus, antimony, tellurium and sulphur.
Inventors
- 👤 Petr P. Otopkov
- 👤 Alla V. Nozhkina
- 👤 Valery I. Kostikov
- 👤 Jury I. Andropov
- 👤 Anatoly I. Senchakov
- 👤 Anna Y. Pesina
- 👤 Alexandr V. Kabanov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1436; C09K3/1445
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
108 words
In an abrasive substance of single grain selected from the group consisting of diamond and boron nitride having a coating of a silicon alloy which includes at least one element selected from the group consisting of copper, silver, gold, aluminum and transition metals of the 4th-8th Groups of the Periodic System, the improvement which comprises including in said coatings at least one additional element selected from the Group consisting of gallium, indium, thallium, germanium, tin, lead, phosphorus, antimony, tellurium and sulfur, said additional elements ranging in quantity from 2 to 80 weight percent of the total coating weight, the thickness of said coating being 0.01 to 1.000 micron.
Claim 2
Dependent Claim
108 words
In an abrasive substance of single grain selected from the group consisting of diamond and boron nitride having a coating of a silicon alloy which includes at least one element selected from the group consisting of copper, silver, gold, aluminum and transition metals of the 4th-8th Groups of the Periodic System, the improvement which comprises including in said coatings at least one additional element selected from the Group consisting of gallium, indium, thallium, germanium, tin, lead, phosphorus, antimony, tellurium and sulfur, said additional elements ranging in quantity from 2 to 80 weight percent of the total coating weight, the thickness of said coating being 0.01 to 1.000 micron.
Claim 3
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 20-40 iron: 40-60 tin: 10-30 and is from 1 to 20 mu thick.
Claim 4
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 10-50 titanium: 45-85 indium: 2-4 and is from 0.01 to 1.0 mu thick.
Claim 5
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 50-92 vanadium: 5-30 tin: 2-6 and is from 1 to 40 mu thick.
Claim 6
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 10-50 molybdenum: 45-85 sulphur: 2-10 and is from 5 to 150 mu thick.
Claim 7
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 10-45 manganese: 50-85 gallium: 2-8 and is from 100 to 400 mu thick.
Claim 8
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 10-50 cobalt: 30-80 phosphorus: 5-10 and is from 50 to 80 mu thick.
Claim 9
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 15-70 nickel: 10-80 tin: 2-40 and is from 0.1 to 10 mu thick.
Claim 10
Dependent Claim
28 words
An abrasive material as of claim 1, wherein said coating comprises (in weight percent): silicon: 20-60 aluminum: 10-70 phosphorus: 0.5-3.0 and is from 150 to 400 mu thick.
Claim 11
Dependent Claim
36 words
An abrasive material as of claim 1, wherein said alloy also comprises an element selected from the group consisting of yttrium, lanthanum and cerium, and taken in a quantity of from 0.01 to 25.00 weight percent.
Claim 12
Dependent Claim
14 words
The abrasive substance of claim 1 in which the abrasive grains are of diamond.
Claim 13
Dependent Claim
15 words
The abrasive substance of claim 1 in which the abrasive grains are of natural diamond.
Claim 14
Dependent Claim
15 words
The abrasive substance of claim 1 in which the abrasive grains are of synthetic diamond.
Claim 15
Dependent Claim
15 words
The abrasive substance of claim 1 in which the abrasive grains are of boron nitride.
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) | 1983-01-21 | 1983-07-23 | 1984-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-21 | 1987-07-23 | 1988-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-21 | 1991-07-23 | 1992-01-22 | $7700.00 | Window Closed / Lapsed |