US2885306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delayed tack adhesive comprising 1, 2-bis (2-biphenylyloxy)ethane
Assignee: Dow Chemical Co
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Filing: 1956-01-11
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Granted: 1959-05-05
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Expires: 1976-01-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Rigterink
- 👤 Jr Richard Lynn Miller
- 👤 Lloyd H Silvernail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:44
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/35; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2852; Y10T428/2878; Y10T428/2883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AS AN ARTICLE OF MANUFACTURE, A SHEET OF PAPER BEARING A NORMALLY SOLID AND VISUALLY HOMOGENOUS COATING, NONTACKY AT ROOM TEMPERATURE AND CAPABLE OF BEING ACTIVATED BY HEAT TO A TACKY AND ADHESIVE STATE WHICH PERSISTS FOR SEVERAL MINUTES AFTER COOLING TO ROOM TEMPERATURE, THE ESSENTIAL CONSTITUENTS OF WHICH ARE AN INTERPOLYMERIZATION PRODUCT OF FROM 30 TO 75 PERCENT BUTADIENE AND CORRESPONDINGLY FROM 70 TO 25 PERCENT STYRENE, AND FROM 50 TO 80 PARTS BY WEIGHT OF DISCRETE CRYSTALLINE PARTICPLES OF 1,2BIS(2-BIPHENYLOXY) ETHANE FOR CORRESPONDINGLY EACH 50 TO 20 PARTS OF SAID INTERPOLKYMER.
Claim 2
Dependent Claim
93 words
AS AN ARTICLE OF MANUFACTURE, A SHEET OF PAPER BEARING A NORMALLY SOLID AND VISUALLY HOMOGENOUS COATING, NONTACKY AT ROOM TEMPERATURE AND CAPABLE OF BEING ACTIVATED BY HEAT TO A TACKY AND ADHESIVE STATE WHICH PERSISTS FOR SEVERAL MINUTES AFTER COOLING TO ROOM TEMPERATURE, THE ESSENTIAL CONSTITUENTS OF WHICH ARE AN INTERPOLYMERIZATION PRODUCT OF FROM 30 TO 75 PERCENT BUTADIENE AND CORRESPONDINGLY FROM 70 TO 25 PERCENT STYRENE, AND FROM 50 TO 80 PARTS BY WEIGHT OF DISCRETE CRYSTALLINE PARTICPLES OF 1,2BIS(2-BIPHENYLOXY) ETHANE FOR CORRESPONDINGLY EACH 50 TO 20 PARTS OF SAID INTERPOLKYMER.
References Cited (Backward Citations)
US2329033A
Cited
US2462029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |