Patent US3196128A successfully refreshed from Google Patents.
US3196128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polymers of alpha-monoolefins containing nickel salts of alkyl phenyl salicylates
Assignee: Bridgestone Firestone Inc
•
Filing: 1960-10-07
•
Granted: 1965-07-20
•
Expires: 1980-10-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Tazewell
- 👤 Robert J Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A STABLE POLYPROPYLENE CONTAINING FROM ABOUT 0.01 TO ABOUT 2.0 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF POLYPROPYLENE OF A NICKEL COMPOUND IDENTICAL TO THAT PRODUCED BY REACTING AT REDUCED TEMPERARTURE NICKELOUS CHLORIDE WITH THE SODIUM PHENATE OF AN ALKYL PHENYL SALICYLATE OF THE FORMULA
Claim 2
Dependent Claim
47 words
A STABLE POLYPROPYLENE CONTAINING FROM ABOUT 0.01 TO ABOUT 2.0 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF POLYPROPYLENE OF A NICKEL COMPOUND IDENTICAL TO THAT PRODUCED BY REACTING AT REDUCED TEMPERARTURE NICKELOUS CHLORIDE WITH THE SODIUM PHENATE OF AN ALKYL PHENYL SALICYLATE OF THE FORMULA
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |