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US3100180A Expired / Lapsed US ⏱️ 0.0 years remaining

Dermal protective compositions

Assignee: 3M Co
•
Filing: 1960-12-19
•
Granted: 1963-08-06
•
Expires: 1980-12-19
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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 17:30
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ELESTOMRERIC VINYL POLYMER IN WHICH FROM 10 TO ABOUT 75 PERCENT OF THE HYDROGEN DIRECTLY ATTACHED TO CARBON HAS BEEN REPLACED BY FLUORINE AND WHICH ELASTOMER IS CHARACTERIZED BY A GLASS TRANSITION TEMPERATURE BELOW ABOUT 40*C., IN AMOUNT SUFFICIENT TO PROVIDE FROM ABOUT 0.3 TO 20% BY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ELESTOMRERIC VINYL POLYMER IN WHICH FROM 10 TO ABOUT 75 PERCENT OF THE HYDROGEN DIRECTLY ATTACHED TO CARBON HAS BEEN REPLACED BY FLUORINE AND WHICH ELASTOMER IS CHARACTERIZED BY A GLASS TRANSITION TEMPERATURE BELOW ABOUT 40*C., IN AMOUNT SUFFICIENT TO PROVIDE FROM ABOUT 0.3 TO 20% BY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.

References Cited (Backward Citations)

US2305356A Cited
US2341055A Cited
US2435005A Cited
US2642416A Cited
US2754291A Cited
US2804073A Cited
US2897172A Cited
US2803615A Cited
US2881155A Cited

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

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