US2883365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur vulcanizable rubber and 1,1-bis(4-hydroxy phenyl) cycloalkane
Assignee: Goodrich Corp
•
Filing: 1955-03-01
•
Granted: 1959-04-21
•
Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Roger A Mathes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A COMPOSITION COMPRISING A SULFUR-VULCANIZABLE RUBBERY DIOLEFINIC POLYMER THROUGHOUT WHICH IS DISPERSED FROM ABOUT 0.1 TO ABOUT 5.0 WEIGHT PERCENT OF A NONSTAINING, NON-DISCOLORING DETERIORATION RETARDER FOR SAID POLYMER COMPRISING A REACTION PRODUCT OF A 1,1-BIS(4HYDROXY PHENYL)CYCLOALKANE, THE CYCLOALKANE GROUP HAVING FROM 4 TO 12 CARBON ATOMS, AND MONOOLEFINIC ALKYLATING HYDROCARBONS SELECTED FROM THE CLASS CONSISTING OF ALKYLENE AND ARALKYLENE HYDROCARBONS HAVING FROM 4 TO 10 CARBON ATOMS, WHICH REACTION PRODUCT CONSISTS ESSENTIALLY OF ALKYLATED 1,1-BIS(4-HYDROXY PHENYL)CYCLOALKANES HAVING THE ALKYLATING RADICALS EACH HAVING FROM 4 TO 10 CARBON ATOMS AND BEING ATTACHED TO A CARBON ATOM OF A PHENYL GROUP IN A POSITION ORTHO TO A CARBON ATOM TO WHICH A HYDROXYL GROUP IS ATTACHED.
Claim 2
Dependent Claim
115 words
A COMPOSITION COMPRISING A SULFUR-VULCANIZABLE RUBBERY DIOLEFINIC POLYMER THROUGHOUT WHICH IS DISPERSED FROM ABOUT 0.1 TO ABOUT 5.0 WEIGHT PERCENT OF A NONSTAINING, NON-DISCOLORING DETERIORATION RETARDER FOR SAID POLYMER COMPRISING A REACTION PRODUCT OF A 1,1-BIS(4HYDROXY PHENYL)CYCLOALKANE, THE CYCLOALKANE GROUP HAVING FROM 4 TO 12 CARBON ATOMS, AND MONOOLEFINIC ALKYLATING HYDROCARBONS SELECTED FROM THE CLASS CONSISTING OF ALKYLENE AND ARALKYLENE HYDROCARBONS HAVING FROM 4 TO 10 CARBON ATOMS, WHICH REACTION PRODUCT CONSISTS ESSENTIALLY OF ALKYLATED 1,1-BIS(4-HYDROXY PHENYL)CYCLOALKANES HAVING THE ALKYLATING RADICALS EACH HAVING FROM 4 TO 10 CARBON ATOMS AND BEING ATTACHED TO A CARBON ATOM OF A PHENYL GROUP IN A POSITION ORTHO TO A CARBON ATOM TO WHICH A HYDROXYL GROUP IS ATTACHED.
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |