US3535172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket propellants containing coated nitronium perchlorate
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-03-18
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Granted: 1970-10-20
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Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Herman Bieber
- 👤 Julian Lakritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:31
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/083; C01B21/084; C01B21/0848; B; B01; B01J; B01J2/00; B01J2/006; C06; C06B; C06B29/00; C06B45/00; C06B45/18; C06B45/30; C06B45/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
NITRONIUM PERCHLORATE HAVING A MOISTURE IMPERVIOUS COATING ABOUT 0.001 MIL TO 10 MILS THICK OF A SUBSTANCE UNREACTIVE WITH THE NITRONIUM PERCHLORATE AND SELECTED FROM THE GROUP CONSISTING OF LITHIUM, MAGNESIUM, BERYLLIUM, BORON, ALUMINUM, POLYVINYL CHLORIDE, THERMOPLASTIC COPOLYMER OF VINYLIDENE CHLORIDE-ACRYLONITRILE, COPOLYMER OF HEXAFLUOROPROPYLENE-VINYLIDENE FLUORIDE, PARAFFIN WAX, POLYETHYLENE AND POLYPROPYLENE, SAID NITRONIUM PERCHLORATE BEING ESSENTIALLY FREE OF WATER AND PERCHLORIC ACID.
Claim 2
Dependent Claim
61 words
NITRONIUM PERCHLORATE HAVING A MOISTURE IMPERVIOUS COATING ABOUT 0.001 MIL TO 10 MILS THICK OF A SUBSTANCE UNREACTIVE WITH THE NITRONIUM PERCHLORATE AND SELECTED FROM THE GROUP CONSISTING OF LITHIUM, MAGNESIUM, BERYLLIUM, BORON, ALUMINUM, POLYVINYL CHLORIDE, THERMOPLASTIC COPOLYMER OF VINYLIDENE CHLORIDE-ACRYLONITRILE, COPOLYMER OF HEXAFLUOROPROPYLENE-VINYLIDENE FLUORIDE, PARAFFIN WAX, POLYETHYLENE AND POLYPROPYLENE, SAID NITRONIUM PERCHLORATE BEING ESSENTIALLY FREE OF WATER AND PERCHLORIC ACID.
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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |