US3347845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock stable azodiformate esters
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1963-12-09
•
Granted: 1967-10-17
•
Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Chester S Sheppard
- 👤 Schack H Norman
- 👤 Orville L Mageli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:30
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/102; Y; Y10; Y10S; Y10S521/00; Y10S521/908; Y10S521/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SHOCK STABLE SOLUTION COMPOSITION CONSISTING ESSENTIALLY OF INERT ORGANIC LIQUID SOLVENT FOR HEREINAFTER SAID DIESTER AND A NORMALLY SHOCK SENSITIVE DIESTER OF AZOFORMIC ACID WHERE THE ESTER GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF METHYL, ETHYL, ALLYL, ALKYLENE, OXYALKYLENE, THIOALKYLENE, SAID ALKYLENE GROUP HAVING 2-4 CARBON ATOMS; SAID SOLVENT AND SAID DIESTER BEING PRESENT IN WEIGHT PROPORTIONS RANGING BETWEEN ABOUT 15:85 AND ABOUT 65:35.
Claim 2
Dependent Claim
66 words
A SHOCK STABLE SOLUTION COMPOSITION CONSISTING ESSENTIALLY OF INERT ORGANIC LIQUID SOLVENT FOR HEREINAFTER SAID DIESTER AND A NORMALLY SHOCK SENSITIVE DIESTER OF AZOFORMIC ACID WHERE THE ESTER GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF METHYL, ETHYL, ALLYL, ALKYLENE, OXYALKYLENE, THIOALKYLENE, SAID ALKYLENE GROUP HAVING 2-4 CARBON ATOMS; SAID SOLVENT AND SAID DIESTER BEING PRESENT IN WEIGHT PROPORTIONS RANGING BETWEEN ABOUT 15:85 AND ABOUT 65:35.
References Cited (Backward Citations)
US2903361A
Cited
US2910463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |