US3037837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for inhibition of corrosion of surgical instruments during steam sterilization
Assignee: Individual
•
Filing: 1959-07-20
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Granted: 1962-06-05
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Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Edward J Ross
- 👤 Charles H Elbreder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:18
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; A61L2/07; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD FOR STEAM AUTOCLAVE STERILIZING METAL INSTRUMENTS AND INHIBITING CORROSION DURING THE STERILIZATION PROCESS BY CONTACTING THEM WITH AN AGENT THAT INHIBITS CORROSIOIN WHILE THE INSTRUMENTS ARE CONTACTED WITH STEAM AND DOES NOT FORM AN OBJECTIONABLE COATING AND WHICH LEAVES THE INSTRUMENTS READY FOR IMMEDIATE USE WHICH COMPRISES PLACING SAID INSTRUMENTS IN A CONFINES SPACE AND INTRODUCING STEAM UNDER SUPER SATMOSPHERIC PRESSURE AND A CORROSION INHIBITING AGENT, SAID NITRITE AND AT LEAST PRISED OF AN ORGANIC NITROGEN BASE NITRITE AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF MORPHOLINE AND ISOQUINOLINE, SAID AGENT BEING ADDED IN AN AMOUNT OF ABOUT 0.05 GRAM TO 0.5 GRAM OF SAID ORGANIC NITROGEN BASE NITRITE PER CUBIC FOOT OF CONFINED SPACE.
Claim 2
Independent Claim
119 words
A METHOD FOR STEAM AUTOCLAVE STERILIZING METAL INSTRUMENTS AND INHIBITING CORROSION DURING THE STERILIZATION PROCESS BY CONTACTING THEM WITH AN AGENT THAT INHIBITS CORROSIOIN WHILE THE INSTRUMENTS ARE CONTACTED WITH STEAM AND DOES NOT FORM AN OBJECTIONABLE COATING AND WHICH LEAVES THE INSTRUMENTS READY FOR IMMEDIATE USE WHICH COMPRISES PLACING SAID INSTRUMENTS IN A CONFINES SPACE AND INTRODUCING STEAM UNDER SUPER SATMOSPHERIC PRESSURE AND A CORROSION INHIBITING AGENT, SAID NITRITE AND AT LEAST PRISED OF AN ORGANIC NITROGEN BASE NITRITE AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF MORPHOLINE AND ISOQUINOLINE, SAID AGENT BEING ADDED IN AN AMOUNT OF ABOUT 0.05 GRAM TO 0.5 GRAM OF SAID ORGANIC NITROGEN BASE NITRITE PER CUBIC FOOT OF CONFINED SPACE.
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) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |