Patent US3878147A successfully refreshed from Google Patents.
US3878147A
Expired / Lapsed
US
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Composition for increasing the friction of surfaces on ice
Assignee: EIDP Inc
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Filing: 1973-12-27
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Granted: 1975-04-15
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Expires: 1993-12-27
Abstract
Abstract The composition of this invention is utilized to increase the friction of surfaces on ice such as the tread surfaces on automobile and truck tires; the composition contains 5-25% BY WEIGHT OF A SOLUBLE ELASTOMER SUCH AS A STYRENEBUTADIENE-STYRENE BLOCK COPOLYMER; 43-92.99% BY WEIGHT OF A SOLVENT FOR THE ELASTOMER; 2-20% BY WEIGHT OF DISPERSED, HARD, INORGANIC PARTICLES, SUCH AS DIATOMACEOUS EARTH, HAVING A PARTICLE SIZE OF 0.2 TO 105 MICRONS; AND OPTIONALLY, 0.01-2% BY WEIGHT OF AN ANTISETTLING AGENT FOR THE PARTICLES; AN AEROSOL COMPOSITION IS ANOTHER ASPECT OF THIS INVENTION WHICH CONTAINS 25-95% BY VOLUME OF THE ABOVE COMPOSITION AND 75-5% BY VOLUME OF A PROPELLANT.
Inventors
- 👤 James M Craven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:10
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/30; B; B60; B60C; B60C11/00; B60C11/14; C08; C08K; C08K3/00; C08K3/01; C08K3/34; C08K3/36; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C09K3/14; C09K3/149; Y; Y10; Y10S; Y10S524/00; Y10S524/903; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
80 words
A COMPOSITION CONSISTING ESSENTIALLY OF 5-25% BY WEIGHT OF A SOLUBLE ELASTOMER HAVING A SHORE A HARDNESS OF 30A TO 80D AND CONSISTING ESSENTIALLY OF A 43-92.99% BY WEIGHT OF AN ORGANIC SOLVENT FOR THE ELASTO ST 43-92.99% BY WEIGHT OF AN ORGANIC SOLVENT FOR THE ELASTOMER HAVING A HIGH EVAPORATION RATE; 2-20% BY WEIGHT OF DISPERSED DIATOMACEOUS EARTH PARTICLES HAVING A PARTICLE SIZE OF 0.2 TO 105 MICRONS; AND 0.01-2% BY WEIGHT OF AN ANTISETTLING AGENT FOR SAID PARTICLES.
Claim 2
Dependent Claim
80 words
A COMPOSITION CONSISTING ESSENTIALLY OF 5-25% BY WEIGHT OF A SOLUBLE ELASTOMER HAVING A SHORE A HARDNESS OF 30A TO 80D AND CONSISTING ESSENTIALLY OF A 43-92.99% BY WEIGHT OF AN ORGANIC SOLVENT FOR THE ELASTO ST 43-92.99% BY WEIGHT OF AN ORGANIC SOLVENT FOR THE ELASTOMER HAVING A HIGH EVAPORATION RATE; 2-20% BY WEIGHT OF DISPERSED DIATOMACEOUS EARTH PARTICLES HAVING A PARTICLE SIZE OF 0.2 TO 105 MICRONS; AND 0.01-2% BY WEIGHT OF AN ANTISETTLING AGENT FOR SAID PARTICLES.
Claim 3
Dependent Claim
33 words
The composition of claim 1 in which the antisettling agent is selected from the group consisting of aluminum stearate, hydrous magnesium aluminum silicate, and an alkylol amine salt of an unsaturated fatty acid.
Claim 4
Dependent Claim
50 words
The composition of claim 1 consisting essentially of 7-15% by weight of a styrene-butadiene-styrene block copolymer rubber; 69.5-88.5% by weight of an organic solvent for said rubber; 4-15% by weight of diatomaceous earth particles having a particle size of 5 to 62 microns and 0.5-1.5% by weight of aluminum stearate.
Claim 5
Dependent Claim
28 words
The composition of claim 3 in which the organic solvent is selected from the group consisting of cyclohexane, hexane, toluene, methyl ethyl ketone, and mixtures of these solvents.
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) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |