US3370107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixtures of polyacrylates and polyarylene polyethers
Assignee: Union Carbide Corp
•
Filing: 1965-07-06
•
Granted: 1968-02-20
•
Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Bruce P Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:25
CPC Classifications
C; C08; C08L; C08L81/00; C08L81/06; C08L69/00; C08L71/00; C08L83/00; C08L83/04; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; C08G; C08G77/00; C08G77/04; C08G77/42; C08G77/46; Y; Y10; Y10S; Y10S428/00; Y10S428/908; Y10S525/00; Y10S525/905; Y10S525/906; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/26; Y10T428/266; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
POLYMERIC MIXTURE CHARACTERIZED BY IMPROVED IMPACT STRENGTH AND IMPROVED RESISTANCE TO THERMAL STRESS EMBRITTLEMENT COMPRISING FORM ABOUT 0.1 TO ABOUT 20 PARTS BY WEIHTT OF A POLYACRYLATE AND A LINEAR THERMOPLASTIC POLYARYLENE POLYETHER COMPOSED OF CECURRING UNITS HAVING THE FORMULA -O-E-O-E''WHEREIN E IS THE RESIDUUM OF A DIHYDRIC PHENOL AND E'' IS THE RESIDUUM OF A BENZENOID COMPOUND HAVING AN INERT ELECTRON WITHDRAWING GROUP HAVING A SIGMA* VALUE ABOVE ABOUT 0.7 IN AT LEAST ONE OF THE POSITIONS ORTHO ND PARA TO THE VALENCE BONDS, AND HERE BOTH OF SAID RESIDUA ARE VLENTLY BONDED TO THE ETHER OXYGENS THROUGH AROMATIC CARBON ATOMS.
Claim 2
Dependent Claim
102 words
POLYMERIC MIXTURE CHARACTERIZED BY IMPROVED IMPACT STRENGTH AND IMPROVED RESISTANCE TO THERMAL STRESS EMBRITTLEMENT COMPRISING FORM ABOUT 0.1 TO ABOUT 20 PARTS BY WEIHTT OF A POLYACRYLATE AND A LINEAR THERMOPLASTIC POLYARYLENE POLYETHER COMPOSED OF CECURRING UNITS HAVING THE FORMULA -O-E-O-E''WHEREIN E IS THE RESIDUUM OF A DIHYDRIC PHENOL AND E'' IS THE RESIDUUM OF A BENZENOID COMPOUND HAVING AN INERT ELECTRON WITHDRAWING GROUP HAVING A SIGMA* VALUE ABOVE ABOUT 0.7 IN AT LEAST ONE OF THE POSITIONS ORTHO ND PARA TO THE VALENCE BONDS, AND HERE BOTH OF SAID RESIDUA ARE VLENTLY BONDED TO THE ETHER OXYGENS THROUGH AROMATIC CARBON ATOMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |