Patent US3100180A successfully refreshed from Google Patents.
US3100180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dermal protective compositions
Assignee: 3M Co
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Filing: 1960-12-19
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Granted: 1963-08-06
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Smith
- 👤 Ralph C Wands
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:01
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61Q; A61Q17/00; C; C08; C08F; C08F28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A COMPOSITION ADAPTED FOR TOPICAL APPLICATION WHICH CONSISTS ESSENTIALLY OF A WATER MISCIBLE PHARMACEUTICAL EXTENDING MEDIUM HAVING A AQUEOUS BASE AND CONTAINING A DISEPRSED BODYING AGENT AND HAVING HOMOGENOUSLY DISPERSED THEREIN A LETEX-LIKE DISPERSION OF AN OLEOPHOBIC AND HYDROPHOBIC PHYSIOLOGICALLY INERT STABLE FLUORINE-CONTAINING ELESTOMRERIC VINYL POLYMER IN WHICH FROM 10 TO ABOUT 75 PERCENT OF THE HYDROGEN DIRECTLY ATTACHED TO CARBON HAS BEEN REPLACED BY FLUORINE AND WHICH ELASTOMER IS CHARACTERIZED BY A GLASS TRANSITION TEMPERATURE BELOW ABOUT 40*C., IN AMOUNT SUFFICIENT TO PROVIDE FROM ABOUT 0.3 TO 20% BY WEIGHT OF SAID ELESTOMER IN SAID COMPOSITION, SAID EXTENDING MEDIUM BEING COMPATIBLE WITH SAID LATEX-LIKE DISPERSION.
Claim 2
Dependent Claim
106 words
A COMPOSITION ADAPTED FOR TOPICAL APPLICATION WHICH CONSISTS ESSENTIALLY OF A WATER MISCIBLE PHARMACEUTICAL EXTENDING MEDIUM HAVING A AQUEOUS BASE AND CONTAINING A DISEPRSED BODYING AGENT AND HAVING HOMOGENOUSLY DISPERSED THEREIN A LETEX-LIKE DISPERSION OF AN OLEOPHOBIC AND HYDROPHOBIC PHYSIOLOGICALLY INERT STABLE FLUORINE-CONTAINING ELESTOMRERIC VINYL POLYMER IN WHICH FROM 10 TO ABOUT 75 PERCENT OF THE HYDROGEN DIRECTLY ATTACHED TO CARBON HAS BEEN REPLACED BY FLUORINE AND WHICH ELASTOMER IS CHARACTERIZED BY A GLASS TRANSITION TEMPERATURE BELOW ABOUT 40*C., IN AMOUNT SUFFICIENT TO PROVIDE FROM ABOUT 0.3 TO 20% BY WEIGHT OF SAID ELESTOMER IN SAID COMPOSITION, SAID EXTENDING MEDIUM BEING COMPATIBLE WITH SAID LATEX-LIKE DISPERSION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |