US3298984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reinforcing a rubber latex with carbon black by preblending said carbon black with a phenol-aldehyde resin
Assignee: Goodyear Tire and Rubber Co
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Filing: 1963-06-06
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Granted: 1967-01-17
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Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Grover W Rye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:59
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08L; C08L21/00; C08L21/02; C08J2321/00; C08J2461/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE METHOD OF REINFORCING RUBBER IN LATEX FORM WHICH COMPRISES BLENDING CARBON BLACK WITH A WATER SOLUTION OF A WATER-SOLUBLE PHENOL/ALDEHYDE-DEFICIENT RESIN TO FORM A BLEND OF THE CARBON BLACK AND THE RESIN WHICH IS THEN MIXED WITH THE RUBBER LATEX, AGING THE MIXTURE UNTIL THE RUBBER PORTION OF THE LATEX IS REINFORCED WITH THE CARBON BLACK.
Claim 2
Independent Claim
57 words
THE METHOD OF REINFORCING RUBBER IN LATEX FORM WHICH COMPRISES BLENDING CARBON BLACK WITH A WATER SOLUTION OF A WATER-SOLUBLE PHENOL/ALDEHYDE-DEFICIENT RESIN TO FORM A BLEND OF THE CARBON BLACK AND THE RESIN WHICH IS THEN MIXED WITH THE RUBBER LATEX, AGING THE MIXTURE UNTIL THE RUBBER PORTION OF THE LATEX IS REINFORCED WITH THE CARBON BLACK.
References Cited (Backward Citations)
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Cited
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US2561215A
Cited
US2481879A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |