Patent US3813380A successfully refreshed from Google Patents.
US3813380A
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Contact adhesive mixtures
Assignee: Bayer AG
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Filing: 1973-07-16
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Granted: 1974-05-28
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Expires: 1993-07-16
Abstract
Abstract COMPOSITIONS SUITABLE FOR USE AS CONTACT OR PRESSURESENSITIVE ADHESIVE ARE PROVIDED WHICH COMPOSITONS ARE MIXTURES OF A POLYALKYLENE POLYETHER POLYOL, A DIISOCYANATODIURETHANE AND A CATALYST WHICH PROMOTES THE REACTION BETWEEN OH AND NCO GROUPS OPTIONALLY WITH THE INCLUSION OF AN AROMATIC DIISOCYANATE AND IF DESIRED IN THE PRESENCE OF CONVENTIONAL ADDITIVES SUCH AS, FOR EXAMPLE, PIGMENTS, FILLERS, AND THE LIKE.
Inventors
- 👤 E Bock
- 👤 M Dollhausen
- 👤 Albrecht H Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:48
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/80; C08G18/8003; C08G18/8006; C08G18/8009; C08G18/8012; C08G18/8019; C08G18/28; C08G18/40; C08G18/48; C08G18/721; C09; C09J; C09J175/00; C09J175/04; C09J175/08; Y; Y10; Y10S; Y10S528/00; Y10S528/905
Claims Analysis
Total Claims: 0
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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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |