Patent US3075931A successfully refreshed from Google Patents.
US3075931A
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Vulcanizable rubber composition containing as a reinforcing agent, a partial polyvalent metal salt of coal derived humic acids
Assignee: FMC Corp
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Filing: 1959-10-02
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Granted: 1963-01-29
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Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 William L Davidson
- 👤 Paul E Levesque
- 👤 Harold K Latourette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:49
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/06; C08L21/00; C08L7/00; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08L97/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A VULCANIZABLE RUBBER COMPOSITION COMPRISING A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, HOMOPOLYMERS OF BUTADIENE, ISOPRENE, PIPERYLENE, 2,3-DIMETHYLBUTADIENE AND CHLOROPRENE, AND COPOLYMERS OF THESE DIENES WITH STYRENE, ISOBUTYLENE, DIISOBUTYLENE, ACRYLONITRILE, METHYL METHACRYLATE, METHYL ACRYLATE, METHYL VINYL ETHER AND METHYL VINYL KETONE, AND AS REINFORCING AGENT, AN EFFECTIVE PROPORTION OF A PARTIAL POLYVALENT METAL SALT OF COAL-DERIVED HUMIC ACIDS, SAID PARTIAL SALT CONTAINING ABOUT 50-80% HYDROGEN ION EQUIVALENTS AND ABOUT 20-50% POLYVALENT METAL EQUIVALENTS.
Claim 2
Dependent Claim
76 words
A VULCANIZABLE RUBBER COMPOSITION COMPRISING A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, HOMOPOLYMERS OF BUTADIENE, ISOPRENE, PIPERYLENE, 2,3-DIMETHYLBUTADIENE AND CHLOROPRENE, AND COPOLYMERS OF THESE DIENES WITH STYRENE, ISOBUTYLENE, DIISOBUTYLENE, ACRYLONITRILE, METHYL METHACRYLATE, METHYL ACRYLATE, METHYL VINYL ETHER AND METHYL VINYL KETONE, AND AS REINFORCING AGENT, AN EFFECTIVE PROPORTION OF A PARTIAL POLYVALENT METAL SALT OF COAL-DERIVED HUMIC ACIDS, SAID PARTIAL SALT CONTAINING ABOUT 50-80% HYDROGEN ION EQUIVALENTS AND ABOUT 20-50% POLYVALENT METAL EQUIVALENTS.
References Cited (Backward Citations)
US2607753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |