US3247138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-package liquid polysulfide sealant
Assignee: ATK Launch Systems LLC
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Filing: 1962-06-06
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Granted: 1966-04-19
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Expires: 1982-06-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Jorczak
- 👤 Albert W Volk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:46
CPC Classifications
C; C08; C08L; C08L81/00; C08L81/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN AIRTIGHT CONTAINER CONTAINING A ONE-PACKAGE POLYSULFIDE COATING AND SEALING COMPOSITION COMPRISING A SUBSTANTIALLY WATER-, OXYGEN- AND SOLVENT-FREE MIXTURE OF LIQUID POLYTHIOPOLYMERCAPTAN POLYMER HAVING A MOLECULAR WEIGHT OF 500 TO 25,000 AND A WATER AND OXYGEN ACTIVATABLE CURING CATALYST COMPLEX, SAID COMPLEX BEING ESSENTIALLY COMPOSED OF A METAL SOAP SELECTED FROM THE GROUP CONSISTING OF THE NAPHTHENATES, OCTOATES,AND TALLATES OF COBALT, MANGANESE, IRON AND LEAD AND AN OILSOLUBLE AMINE CHELATING AGENT SELECTED FROM 1,10-PHENANTHROLINE AND N,N''-DISALICYLIDENE-1,2-DIAMINOPROPANE.
Claim 2
Dependent Claim
76 words
AN AIRTIGHT CONTAINER CONTAINING A ONE-PACKAGE POLYSULFIDE COATING AND SEALING COMPOSITION COMPRISING A SUBSTANTIALLY WATER-, OXYGEN- AND SOLVENT-FREE MIXTURE OF LIQUID POLYTHIOPOLYMERCAPTAN POLYMER HAVING A MOLECULAR WEIGHT OF 500 TO 25,000 AND A WATER AND OXYGEN ACTIVATABLE CURING CATALYST COMPLEX, SAID COMPLEX BEING ESSENTIALLY COMPOSED OF A METAL SOAP SELECTED FROM THE GROUP CONSISTING OF THE NAPHTHENATES, OCTOATES,AND TALLATES OF COBALT, MANGANESE, IRON AND LEAD AND AN OILSOLUBLE AMINE CHELATING AGENT SELECTED FROM 1,10-PHENANTHROLINE AND N,N''-DISALICYLIDENE-1,2-DIAMINOPROPANE.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |