Patent US2854423A successfully refreshed from Google Patents.
US2854423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum resinate rubber composition and method of making the same
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1954-05-27
•
Granted: 1958-09-30
•
Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Swart
- 👤 Paul J Earley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:47
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/06; C08L21/00; C08K; C08K3/00; C08K3/34; C08K3/346; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08L93/00; C08L93/04; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A ROSIN EXTENDED RUBBER COMPOSITION COMPRISING A RUBBERY POLYMER OF A CONJUGATED DIOLEFINIC COMPOUND OF LESS THAN 8 ALIPHATIC CARBONS COMPOUNDED WITH A RESINOUS EXTENDING MATERIAL COMPOSED OF ROSIN AND ALUMINUM SALTS OF ROSIN ACIDS AND COMPOSED MAINLY OF ALUMINUM RESINATE AND CONTAINING 20 TO 200 PARTS OF ALUMINUM RESINATE PER 100 PARTS OF THE POLYMER IN THE COMPOSITION, THE RATIO OF ABIETIC GROUPS TO ALUMINUM PRESENT IN SAID ALUMINUM RESINATE BEING AT LEAST TWO THIRDS THE RATIO OF ABIETIC GROUPS TO ALUMINUM DIRESINATE.
Claim 2
Dependent Claim
84 words
A ROSIN EXTENDED RUBBER COMPOSITION COMPRISING A RUBBERY POLYMER OF A CONJUGATED DIOLEFINIC COMPOUND OF LESS THAN 8 ALIPHATIC CARBONS COMPOUNDED WITH A RESINOUS EXTENDING MATERIAL COMPOSED OF ROSIN AND ALUMINUM SALTS OF ROSIN ACIDS AND COMPOSED MAINLY OF ALUMINUM RESINATE AND CONTAINING 20 TO 200 PARTS OF ALUMINUM RESINATE PER 100 PARTS OF THE POLYMER IN THE COMPOSITION, THE RATIO OF ABIETIC GROUPS TO ALUMINUM PRESENT IN SAID ALUMINUM RESINATE BEING AT LEAST TWO THIRDS THE RATIO OF ABIETIC GROUPS TO ALUMINUM DIRESINATE.
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |