US2826485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-resistant explosive compositions
Assignee: Wyeth Holdings LLC
•
Filing: 1955-02-02
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Granted: 1958-03-11
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Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Scalera Mario
- 👤 Bender Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:47
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B31/00; C06B31/28; C06B31/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN EXPLOSIVE COMPOSITION RESISTANT TO DETERIORATION ON CONTACT WITH WATER WHICH COMPRISES AMMONIUM NITRATE, A SENSITIZER, A SOLID FUEL AND AT LEAST 0.5% BY WEIGHT OF MATERIALS WHICH, IN THEIR POLYMERIZED FORM, ARE A HYDROPHILIC, NON-PEPTIZABLE, THREE-DIMENSIONAL NETWORK OF MOLECULARLY BOUND ATOMS, SAID NETWORK BEING COMPOSED OF CHAINS OF A LINEAR POLYMER OF AN UNSATURATED MONOMER OF THE ETHYLENIC TYPE, AT LEAST 50% OF SAID MONOMERIC UNITS HAVING AT LEAST ONE SUBSTITUENT GROUP CHOSEN FROM THE GROUP CONSISTING OF CARBOXYL, CARBOXAMIDE, N-METHYLOL CARBOXAMIDE, N,N''-METHYLENE BIS-CARBOXAMIDE, CARBOXYLIC ANHYDRIDE, AND LOWER ALKYL CHAINS HAVING A CARBOXYLIC ACID SUBSTITUENT, SAID POLYMER CHAINS BEING CROSSLINKED BY SHORT CHEMICALLY BOUND ATOM CHAINS, SAID CROSSLINKINGS JOINING A MINIMUM OF 0.5 MOL PERCENT OF THE MONOMERIC UNITS OF SAID POLYMER.
Claim 2
Dependent Claim
123 words
AN EXPLOSIVE COMPOSITION RESISTANT TO DETERIORATION ON CONTACT WITH WATER WHICH COMPRISES AMMONIUM NITRATE, A SENSITIZER, A SOLID FUEL AND AT LEAST 0.5% BY WEIGHT OF MATERIALS WHICH, IN THEIR POLYMERIZED FORM, ARE A HYDROPHILIC, NON-PEPTIZABLE, THREE-DIMENSIONAL NETWORK OF MOLECULARLY BOUND ATOMS, SAID NETWORK BEING COMPOSED OF CHAINS OF A LINEAR POLYMER OF AN UNSATURATED MONOMER OF THE ETHYLENIC TYPE, AT LEAST 50% OF SAID MONOMERIC UNITS HAVING AT LEAST ONE SUBSTITUENT GROUP CHOSEN FROM THE GROUP CONSISTING OF CARBOXYL, CARBOXAMIDE, N-METHYLOL CARBOXAMIDE, N,N''-METHYLENE BIS-CARBOXAMIDE, CARBOXYLIC ANHYDRIDE, AND LOWER ALKYL CHAINS HAVING A CARBOXYLIC ACID SUBSTITUENT, SAID POLYMER CHAINS BEING CROSSLINKED BY SHORT CHEMICALLY BOUND ATOM CHAINS, SAID CROSSLINKINGS JOINING A MINIMUM OF 0.5 MOL PERCENT OF THE MONOMERIC UNITS OF SAID POLYMER.
References Cited (Backward Citations)
US2314832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |