US2829984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating a metal surface
Assignee: Bjorksten Research Laboratories Inc
•
Filing: 1954-01-07
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Granted: 1958-04-08
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Expires: 1974-01-07
Abstract
No abstract record available.
Inventors
- 👤 Luther L Yaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:59
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/56; C08G59/4007; C08G59/4014; C08G59/4028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE PROCESS OF MAKING AND UTILIZING AN ADHESIVE COMPOSITION COMPRISING: REACTING 100 TO 200 PARTS OF A POLYEPOXIDE WITH 15 TO 50 PARTS OF A DIISOCYANATE, THEN ADDING TO THE RESULTING POLYMERIC PRODUCT 3% TO 12% OF A COMPOUND CONTAINING AMINO NITROGEN, AND THEN APPLYING THE RESULTANT MIXTURE BEFORE SUBSTANTIAL CURING THEREOF TO A SOLID METAL SURFACE UNDER WATER.
Claim 2
Dependent Claim
59 words
THE PROCESS OF MAKING AND UTILIZING AN ADHESIVE COMPOSITION COMPRISING: REACTING 100 TO 200 PARTS OF A POLYEPOXIDE WITH 15 TO 50 PARTS OF A DIISOCYANATE, THEN ADDING TO THE RESULTING POLYMERIC PRODUCT 3% TO 12% OF A COMPOUND CONTAINING AMINO NITROGEN, AND THEN APPLYING THE RESULTANT MIXTURE BEFORE SUBSTANTIAL CURING THEREOF TO A SOLID METAL SURFACE UNDER WATER.
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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |