US3349047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable liquid polysulfide resin stably admixed with calcium peroxide
Assignee: ATK Launch Systems LLC
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Filing: 1965-10-22
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Granted: 1967-10-24
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Eric A Sheard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:49
CPC Classifications
C; C08; C08L; C08L81/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A ONE-PACKAGE, TIME-STABLE, SUBSTANTIALLY ANHYDROUS POLYMER COMPOSITION CAPABLE OF BEING CURED TO A SOLID POLYSULFIDE RUBBER UPON EXPOSURE TO WATER AT COMMON ROOM TEMPERATURES AND ALSO CAPABLE OF BEING SHIPPED AND STORED IN A SINGLE CONTAINER AND LATER BEING DEPOSITED IN PLACE WITHOUT AGITATION OR INTERMIXING WITH OTHER MATERIAL FOR COMPLETE CURING SOLELY BY CONTACT OF ITS SURFACE WITH MOISTURE-CONTAINING SURROUNDINGS, THE ONE-PACKAGE POLYMER COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID POLYTHIOPOLYMERCAPTAN POLYMER IN WHICH THERE IS DISPERSED FROM ABOUT 1 TO ABOUT 8 PARTS BY WEIGHT OF CALCIUM PEROXIDE, ALL QUANTITIES BEING BASED UPON EACH 100 PARTS BY WEIGHT OF LIQUID POLYTHIOPOLYMERCAPTAN POLYMER CONTAINED IN THE ONE-PACKAGE POLYMER COMPOSITION.
Claim 2
Dependent Claim
50 words
A ONE-PACKAGE POLYMER COMPOSITION ACCORDING TO CLAIM 2, IN WHICH POLYMER COMPOSITION THERE IS ALSO DISPERSED FROM ABOUT 0.1 TO ABOUT 5 PARTS BY WEIGHT OF A CURE RATE RETARDING AGENT SELECTED FROM THE GROUP CONSISTING OF CADMIUM STEARATE, LEAD STEARATE, COBALT STEARATE, ALUMINUM OCTOATE, ALUMINUM DISTEARATE, AND OLEIC ACID.
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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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |