Patent US3723996A successfully refreshed from Google Patents.
Patent US3138161A successfully refreshed from Google Patents.
Patent US3114882A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3843548A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions containing a source of hypochlorite ions

Assignee: Wilkinson Sword Ltd
•
Filing: 1971-09-28
•
Granted: 1974-10-22
•
Expires: 1991-09-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 1. A COMPOSITION CONSISTING ESSENTIALLY OF A WATERABSORPTIVE CLAY AND A SOURCE OF HYPOCHLORITE IONS, SAID SOURCE OF HYPOCHLORITE IONS BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYPOCHLORITES, ALKALI METAL SALTS OF NON-METALLIC INORGANIC ACIDS, AND ORGANIC ACIDS CONTAINING A THERMODYNAMICALLY STABLE NITROGEN-CHLORINE BOND WHICH HYDROLYSES TO PROVIDE HYPOCHLORITE IONS, WHEREIN SAID WATER-ABSORPTIVE CLAY IS A SYNTHETIC MAGNESIUM SILICATE IN WHICH A PROPORTION OF THE MAGNESIUM ATOMS HAVE BEEN REPLACED BY LITHIUM ATOMS, SAID SYNTHETIC MAGNESIUM SILICATE BEING PRESENT IN AN AMOUNT OF FROM ABOUT 3% TO 8% BY WEIGHT, THE AMOUNT OF SAID SOURCE OF HYPOCHLORITE IONS BEING SUCH THAT THE AVAILABLE CHLORINE CONTENT OF SAID COMPOSITION IS FROM 0.05% TO 3.0% BY WEIGHT.

Inventors

  • 👤 R James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:38
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3956; A; A61; A61K; A61K47/00; A61K47/02; A61K9/00; A61K9/10; A61K9/12; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B65; B65D; B65D35/00; B65D35/22; C01; C01B; C01B33/00; C01B33/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 118 words
A COMPOSITION CONSISTING ESSENTIALLY OF A WATERABSORPTIVE CLAY AND A SOURCE OF HYPOCHLORITE IONS, SAID SOURCE OF HYPOCHLORITE IONS BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYPOCHLORITES, ALKALI METAL SALTS OF NON-METALLIC INORGANIC ACIDS, AND ORGANIC ACIDS CONTAINING A THERMODYNAMICALLY STABLE NITROGEN-CHLORINE BOND WHICH HYDROLYSES TO PROVIDE HYPOCHLORITE IONS, WHEREIN SAID WATER-ABSORPTIVE CLAY IS A SYNTHETIC MAGNESIUM SILICATE IN WHICH A PROPORTION OF THE MAGNESIUM ATOMS HAVE BEEN REPLACED BY LITHIUM ATOMS, SAID SYNTHETIC MAGNESIUM SILICATE BEING PRESENT IN AN AMOUNT OF FROM ABOUT 3% TO 8% BY WEIGHT, THE AMOUNT OF SAID SOURCE OF HYPOCHLORITE IONS BEING SUCH THAT THE AVAILABLE CHLORINE CONTENT OF SAID COMPOSITION IS FROM 0.05% TO 3.0% BY WEIGHT.
Claim 2
Dependent Claim 118 words
A COMPOSITION CONSISTING ESSENTIALLY OF A WATERABSORPTIVE CLAY AND A SOURCE OF HYPOCHLORITE IONS, SAID SOURCE OF HYPOCHLORITE IONS BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYPOCHLORITES, ALKALI METAL SALTS OF NON-METALLIC INORGANIC ACIDS, AND ORGANIC ACIDS CONTAINING A THERMODYNAMICALLY STABLE NITROGEN-CHLORINE BOND WHICH HYDROLYSES TO PROVIDE HYPOCHLORITE IONS, WHEREIN SAID WATER-ABSORPTIVE CLAY IS A SYNTHETIC MAGNESIUM SILICATE IN WHICH A PROPORTION OF THE MAGNESIUM ATOMS HAVE BEEN REPLACED BY LITHIUM ATOMS, SAID SYNTHETIC MAGNESIUM SILICATE BEING PRESENT IN AN AMOUNT OF FROM ABOUT 3% TO 8% BY WEIGHT, THE AMOUNT OF SAID SOURCE OF HYPOCHLORITE IONS BEING SUCH THAT THE AVAILABLE CHLORINE CONTENT OF SAID COMPOSITION IS FROM 0.05% TO 3.0% BY WEIGHT.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-21 1978-04-22 1978-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-21 1982-04-22 1982-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-21 1986-04-22 1986-10-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag