US2552520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid compositions for removing adhesive dressings
Assignee: Synergistics Inc
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Filing: 1947-08-18
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Granted: 1951-05-15
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Expires: 1967-08-18
Abstract
No abstract record available.
Inventors
- 👤 Myron A Coler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:35
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/58; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4973; A61Q; A61Q19/00; A61Q19/10; A61K2800/00; A61K2800/40; A61K2800/42; A61K2800/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A LIQUID COMPOSITION FOR APPLICATION ON THE BACKS OF ELASTOMER ADHESIVE DRESSINGS ATTACHED TO SKIN TO FACILITATE THEIR REMOVAL, WHICH CONSISTS ESSENTIALLY OF ETHYL ACETATE AND ISOPROPANOL IN APPROXIMATELY EQUAL VOLUMES, IN COMBINATION WITH A MIXTURE OF PHENOLPHTHALEIN AND AN ALKALINE AGENT, SAID MIXTURE IMPARTING TO SAID COMPOSITION A RED COLOR CONTRASTING WITH THAT OF ADHESIVE DRESSINGS AND SKIN THEREBY TO FACILITATE APPLICATION OF SAID COMPOSITION ON ADHESIVE DRESSINGS AND SKIN AND SAID MIXTURE BEING ADAPTED TO LOSE RAPIDLY ITS COLOR-IMPARTING ROLE THROUGH EXPOSURE TO THE ATMOSPHERE WHEN SAID COMPOSITION IS APPLIED ON ADHESIVE DRESSINGS AND SKIN.
Claim 2
Dependent Claim
97 words
A LIQUID COMPOSITION FOR APPLICATION ON THE BACKS OF ELASTOMER ADHESIVE DRESSINGS ATTACHED TO SKIN TO FACILITATE THEIR REMOVAL, WHICH CONSISTS ESSENTIALLY OF ETHYL ACETATE AND ISOPROPANOL IN APPROXIMATELY EQUAL VOLUMES, IN COMBINATION WITH A MIXTURE OF PHENOLPHTHALEIN AND AN ALKALINE AGENT, SAID MIXTURE IMPARTING TO SAID COMPOSITION A RED COLOR CONTRASTING WITH THAT OF ADHESIVE DRESSINGS AND SKIN THEREBY TO FACILITATE APPLICATION OF SAID COMPOSITION ON ADHESIVE DRESSINGS AND SKIN AND SAID MIXTURE BEING ADAPTED TO LOSE RAPIDLY ITS COLOR-IMPARTING ROLE THROUGH EXPOSURE TO THE ATMOSPHERE WHEN SAID COMPOSITION IS APPLIED ON ADHESIVE DRESSINGS AND SKIN.
References Cited (Backward Citations)
US1571829A
Cited
US1884767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |