US2682490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesives and articles united therewith
Assignee: BASF Schweiz AG
•
Filing: 1947-10-20
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Granted: 1954-06-29
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Expires: 1967-10-20
Abstract
No abstract record available.
Inventors
- 👤 Gams Alphonse
- 👤 Kraus Wilhelm
- 👤 Preiswerk Eduard
- 👤 Widmer Gustav
- 👤 Wieland Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:04
CPC Classifications
C; C09; C09J; C09J163/00; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4021; C08G59/42; C08G59/50; C08G59/5046; C08G59/5053; C08G59/508; C08G59/5086; C08G59/56; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T428/31522; Y10T428/31942
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
111 words
AN ADHESIVE AGENT WHICH CONSIST OF A HARDENABLE UNREACTED MIXTURE WHICH IS SPREADABLE AT 10 TO 40* C., WHICH MIXTURE CONTAINS AS ESSENTIAL COMPONENTS (A) A RESINOUS ETHYLENE OXIDE DERIVATIVE OF A PHENOL CONTAINING AT LEAST TWO PHENOLIC HYDROXY GROUPS AND WHICH IS FREE FROM OTHER REACTIVE SUBSTITUENTS, SAID DERIVATIVE CARRYING AT LEAST TWO ETHYLENE OXIDE GROUPS, (B) AS A SOLVENT FOR THE ETHYLENE OXIDE DERIVATIVE A LIQUID HYDROCARBON ESTER OF A POLYBASIC ACID OF THE GROUP CONSISTING OF PHTHALIC ACID, ADIPIC ACID, METHYLADIPIC ACID AND PHOSPHORIC ACID AND (C) A FLUID HARDENING AGENT, AND SAID HARDENING AGENT BEING NONVOLATILE FROM THE MIXTURE WITH COMPONENTS (A) AND (B) AT SAID TEMPERATURE.
Claim 2
Dependent Claim
111 words
AN ADHESIVE AGENT WHICH CONSIST OF A HARDENABLE UNREACTED MIXTURE WHICH IS SPREADABLE AT 10 TO 40* C., WHICH MIXTURE CONTAINS AS ESSENTIAL COMPONENTS (A) A RESINOUS ETHYLENE OXIDE DERIVATIVE OF A PHENOL CONTAINING AT LEAST TWO PHENOLIC HYDROXY GROUPS AND WHICH IS FREE FROM OTHER REACTIVE SUBSTITUENTS, SAID DERIVATIVE CARRYING AT LEAST TWO ETHYLENE OXIDE GROUPS, (B) AS A SOLVENT FOR THE ETHYLENE OXIDE DERIVATIVE A LIQUID HYDROCARBON ESTER OF A POLYBASIC ACID OF THE GROUP CONSISTING OF PHTHALIC ACID, ADIPIC ACID, METHYLADIPIC ACID AND PHOSPHORIC ACID AND (C) A FLUID HARDENING AGENT, AND SAID HARDENING AGENT BEING NONVOLATILE FROM THE MIXTURE WITH COMPONENTS (A) AND (B) AT SAID TEMPERATURE.
Claim 3
Dependent Claim
29 words
A COMPOSITE RIGID MULTI-PART ARTICLE, PARTS OF WHICH HAVE INTERPOSED THEREBETWEEN AND IN CONTACT THEREWITH AND ARE ADHESIVELY UNITED TOGETHER BY THE HARDENED ADHESIVE AGENT DEFINED IN CLAIM 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |