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US2876163A Expired / Lapsed US ⏱️ 0.0 years remaining

Aluminum chlorhydroxy alcogels and process of making same

Assignee: Reheis Co Inc
•
Filing: 1955-11-14
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Granted: 1959-03-03
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Expires: 1975-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 John E Garizio
  • 👤 Andrew M Rubino
  • 👤 Mildred L Almquist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:11
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/042; A61K8/18; A61K8/19; A61K8/26; A61K8/30; A61K8/33; A61K8/34

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 220 words
AN ALCOGEL COMPRISING AN ALCOGEL MEDIUM CONSISTING ESSENTIALLY OF A WATER-SOLUBLE SATURED ALCOHOL SELECTED FROM THE GROUP CONSISTING OF LOWER MONOHYDRIC ALCOHOLS AND POLYALKYLENE GLYCOLS, THE LATTER HAVING A MOLECULAR WEIGHT NOT IN EXCESS OF 600, AND WATER, AND CONTAINING AN ALUMIUM CHLORHYDROXY COMPLEX HAVING FROMFOUR TO SEVEN ATOMS OF ALUMIUM FOR EACH THREE ATOMS OF CHLORINE, AND A WATER-SOLUBLE NONTOXIC ALKALINE COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF OXIDES OF THE ALKALI METALS, ALKALINE EARTH METALS, AND AMMONIUM, HYDROXIDES OF THE ALKALI METALS, ALKALINE EARTH METALS, AND AMMONIUM, AND SALTS OF ALKALI METALS ALKALINE EARTH METALS, AND AMMONIUM HAVING A PH ABOVE ABOUT 6.5 IN AQUEOUS 1 N SOLUTION, SELECTED FROM THE FROUP CONSISTING OF BICARBONATES, CARBONATES, PHOSPHATES, TARTRATES, AND CITRATES, SAID ALKALINE COMPOUND BEING IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.04 TO ABOUT 0.2 EQUIVALENT WEIGHT, CALCULATED AS THE ALKALI HYDROXIDEPER ATOMIC WEIGHT OF ALUMINUM PRESENT AS ALUMINUM CHLORHYDROXY COMPLEX, SUFFICIENT WATER WITHIN THE RANGE FROM ABOUT 2 TO 4 PARTS PER PART BYWEIGHT OF ALUMINUM CHLORHYDROXY COMPLEX, BEING PRESENT TO DISPERSE THE ALUMINUM COMPOUND TO FORM A NONGELLING LIQUID DISPERSION IN THE ABSENCE OF THE ALCOHOL, AND SUFFICIENT ALCOHOL WITHIN THE RANGE FROM ABOUT 23 TO ABOUT 300 VOLUMES PER VOLUME OF WATER BEING PRESENT TO COVERT SUCH DISPSION INTO AN ALCOGEL.
Claim 2
Dependent Claim 220 words
AN ALCOGEL COMPRISING AN ALCOGEL MEDIUM CONSISTING ESSENTIALLY OF A WATER-SOLUBLE SATURED ALCOHOL SELECTED FROM THE GROUP CONSISTING OF LOWER MONOHYDRIC ALCOHOLS AND POLYALKYLENE GLYCOLS, THE LATTER HAVING A MOLECULAR WEIGHT NOT IN EXCESS OF 600, AND WATER, AND CONTAINING AN ALUMIUM CHLORHYDROXY COMPLEX HAVING FROMFOUR TO SEVEN ATOMS OF ALUMIUM FOR EACH THREE ATOMS OF CHLORINE, AND A WATER-SOLUBLE NONTOXIC ALKALINE COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF OXIDES OF THE ALKALI METALS, ALKALINE EARTH METALS, AND AMMONIUM, HYDROXIDES OF THE ALKALI METALS, ALKALINE EARTH METALS, AND AMMONIUM, AND SALTS OF ALKALI METALS ALKALINE EARTH METALS, AND AMMONIUM HAVING A PH ABOVE ABOUT 6.5 IN AQUEOUS 1 N SOLUTION, SELECTED FROM THE FROUP CONSISTING OF BICARBONATES, CARBONATES, PHOSPHATES, TARTRATES, AND CITRATES, SAID ALKALINE COMPOUND BEING IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.04 TO ABOUT 0.2 EQUIVALENT WEIGHT, CALCULATED AS THE ALKALI HYDROXIDEPER ATOMIC WEIGHT OF ALUMINUM PRESENT AS ALUMINUM CHLORHYDROXY COMPLEX, SUFFICIENT WATER WITHIN THE RANGE FROM ABOUT 2 TO 4 PARTS PER PART BYWEIGHT OF ALUMINUM CHLORHYDROXY COMPLEX, BEING PRESENT TO DISPERSE THE ALUMINUM COMPOUND TO FORM A NONGELLING LIQUID DISPERSION IN THE ABSENCE OF THE ALCOHOL, AND SUFFICIENT ALCOHOL WITHIN THE RANGE FROM ABOUT 23 TO ABOUT 300 VOLUMES PER VOLUME OF WATER BEING PRESENT TO COVERT SUCH DISPSION INTO AN ALCOGEL.

References Cited (Backward Citations)

US2256505A Cited
US2492085A Cited
US2571030A Cited
US2645616A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-02 1962-09-01 1963-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-02 1966-09-01 1967-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-02 1970-09-01 1971-03-03 $7700.00 Window Closed / Lapsed

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