Patent US4082909A successfully refreshed from Google Patents.
US4082909A
Expired / Lapsed
US
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Rubber composition containing metal salt of hydroxy benzoic acid
Assignee: Yokohama Rubber Co Ltd
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Filing: 1976-03-26
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Granted: 1978-04-04
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Expires: 1996-03-26
Abstract
Abstract A rubber composition which comprises a vulcanizable rubber and 0.5 - 20 wt. parts of a metal salt of hydroxy benzoic acid per 100 wt. parts of the rubber. This composition exhibits excellent adhesive bonding to metallic material.
Inventors
- 👤 Yuichi Sugiyama
- 👤 Hiroyuki Kaido
- 👤 Tsuneo Koyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:45
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/10; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249933; Y10T428/249934
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
32 words
A vulcanized rubber product reinforced with metallic cords which comprises rubber composition comprising 0.5 - 20 wt. parts of a metal salt of hydroxybenzoic acid per 100 wt. parts of a rubber.
Claim 2
Dependent Claim
32 words
A vulcanized rubber product reinforced with metallic cords which comprises rubber composition comprising 0.5 - 20 wt. parts of a metal salt of hydroxybenzoic acid per 100 wt. parts of a rubber.
Claim 3
Dependent Claim
22 words
The vulcanized rubber product reinforced with metallic cords of claim 1 wherein said metallic cords are copper alloy coated steel tire cords.
Claim 4
Dependent Claim
41 words
The vulcanized rubber product reinforced with metallic cords of claim 1 wherein said metal salt of hydroxybenzoic acid is selected from the group consisting of Na, K, Mg, Ca, Al, Fe, Sn, Ni, Co, Zn, and Cu salts of hydroxybenzoic acid.
Claim 5
Dependent Claim
21 words
The vulcanized rubber product reinforced with metallic cords of claim 1 wherein said metal salt of hydroxybenzoic acid is cobalt hydroxybenzoate.
Claim 6
Dependent Claim
21 words
The vulcanized rubber product reinforced with metallic cords of claim 1 wherein said metal salt of hydroxybenzoic acid is nickel hydroxybenzoate.
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) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |