US3305496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated azodicarbonamide
Assignee: National Polychemicals Inc
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Filing: 1963-02-11
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Granted: 1967-02-21
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles P Riley
- 👤 Henry R Lasman
- 👤 Strauss Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/102; C08J9/103; Y; Y10; Y10S; Y10S521/00; Y10S521/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ACTIVATED AZODICARBONAMIDE COMPOSITION CHARACTERIZED BY A DECOMPOSITION TEMPERATURE OF ABOUT 160* C. OR LESS, WHICH COMPOSITION COMPRISES: FINELY DIVIDED AZODICARBONAMIDE HAVING AN AVERAGE PARTICLE SIZE RANGE OF FROM ABOUT 0.1 TO 5.0 MICRONS; A HEAVY METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM, LEAD, BARIUM, TIN AND COMBINATIONS THEREOF; AND AN ALKALI METAL COMPOUNS, THE RATIO OF HEAVY METAL TO ALKALI METAL RANGING FROM ABOUT 5:1 TO 1:5.
Claim 2
Dependent Claim
71 words
AN ACTIVATED AZODICARBONAMIDE COMPOSITION CHARACTERIZED BY A DECOMPOSITION TEMPERATURE OF ABOUT 160* C. OR LESS, WHICH COMPOSITION COMPRISES: FINELY DIVIDED AZODICARBONAMIDE HAVING AN AVERAGE PARTICLE SIZE RANGE OF FROM ABOUT 0.1 TO 5.0 MICRONS; A HEAVY METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM, LEAD, BARIUM, TIN AND COMBINATIONS THEREOF; AND AN ALKALI METAL COMPOUNS, THE RATIO OF HEAVY METAL TO ALKALI METAL RANGING FROM ABOUT 5:1 TO 1:5.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |