Biological sterility indicator and method for making and using same
First Claim
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1. A DRY STERILITY INDICATOR FOR SUBMERGING IN WATER AFTER STERILIZATION COMPRISING:
- (A) A SEMI-PERMEABLE ENVELOPE, BEING PERMEABLE TO SELECTED STERLIZING MEDIA AND TO WATER AND TO A SELECTED SUITABLE GROWTH MEDIA BUT IMPERMEABLE TO A SELECTED SUITABLE TEST ORGANISM AND BACTERIA IN GAS AND IN WATER;
AND
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1 Claim
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1. A DRY STERILITY INDICATOR FOR SUBMERGING IN WATER AFTER STERILIZATION COMPRISING:
- (A) A SEMI-PERMEABLE ENVELOPE, BEING PERMEABLE TO SELECTED STERLIZING MEDIA AND TO WATER AND TO A SELECTED SUITABLE GROWTH MEDIA BUT IMPERMEABLE TO A SELECTED SUITABLE TEST ORGANISM AND BACTERIA IN GAS AND IN WATER;
AND
- (A) A SEMI-PERMEABLE ENVELOPE, BEING PERMEABLE TO SELECTED STERLIZING MEDIA AND TO WATER AND TO A SELECTED SUITABLE GROWTH MEDIA BUT IMPERMEABLE TO A SELECTED SUITABLE TEST ORGANISM AND BACTERIA IN GAS AND IN WATER;
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Current AssigneeRobert R. Ernst
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Original AssigneeRobert R. Ernst
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InventorsErnst, Robert R.
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Application NumberUS04/503,987Time in Patent Office717 DaysField of SearchUS Class Current435/31CPC Class CodesC12Q 1/22 Testing for sterility condi...
