Patent US4170083A successfully refreshed from Google Patents.
US3098751A
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Printing ink composition for ethylene oxide sterilization indicators
Assignee: Aseptic Thermo Indicator Co
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Filing: 1960-07-18
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Granted: 1963-07-23
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Willard M Huyck
- 👤 Vincent A Romito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:03
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; Y; Y10; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A COMPOSITION FOR PRINTING TELLTALE INSIGNIA INDICATING THAT SELECTED STERILIZING CONDITIONS OF ETHYLENE OXIDE CONCENTRATION, MOISTURE CONCENTRATION, TEMPERATURE AND TIME HAD BEEN ATTAINED, CONSISTING ESSENTIALLY OF A FLEXOGRAPHIC PRINTING INK BASE INCLUDING A THICKENER INGREDIENT AND A SOLVENT INGREDIENT IN PROPORTIONS TO GIVE A PRACTICABLE INK SUBSTANCE IN A FLEXOGRAPHIC PRINTING PROCESS; 3 TO 5 PERCENT (BASED ON THE INK BASE) OF POWDERED CRYSTALLIZED MAGNESIUM CHLORIDE (MGCL2.6H2O); AND A PH INDICATOR IN A SMALL BUT ADEQUATE AMOUNT TO VISIBLY SHOW A CHANGE FROM ACIDITY TO ALKALINITY IN SAID PRINTING WHEN DRIED, FOLLOWED BY EXPOSURE TO ETHYLENE OXIDE IN THE PRESENCE OF WATER VAPOR.
Claim 2
Dependent Claim
103 words
A COMPOSITION FOR PRINTING TELLTALE INSIGNIA INDICATING THAT SELECTED STERILIZING CONDITIONS OF ETHYLENE OXIDE CONCENTRATION, MOISTURE CONCENTRATION, TEMPERATURE AND TIME HAD BEEN ATTAINED, CONSISTING ESSENTIALLY OF A FLEXOGRAPHIC PRINTING INK BASE INCLUDING A THICKENER INGREDIENT AND A SOLVENT INGREDIENT IN PROPORTIONS TO GIVE A PRACTICABLE INK SUBSTANCE IN A FLEXOGRAPHIC PRINTING PROCESS; 3 TO 5 PERCENT (BASED ON THE INK BASE) OF POWDERED CRYSTALLIZED MAGNESIUM CHLORIDE (MGCL2.6H2O); AND A PH INDICATOR IN A SMALL BUT ADEQUATE AMOUNT TO VISIBLY SHOW A CHANGE FROM ACIDITY TO ALKALINITY IN SAID PRINTING WHEN DRIED, FOLLOWED BY EXPOSURE TO ETHYLENE OXIDE IN THE PRESENCE OF WATER VAPOR.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |