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US4026291A Expired / Lapsed US ⏱️ 0.0 years remaining

Article for treating secreting fluid of the human body

Assignee: Individual
•
Filing: 1975-05-16
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Granted: 1977-05-31
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Expires: 1995-05-16
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Abstract

Abstract A compact article for treating fluid of the human body having an absorbent core member having the function of deodorizing, sterilizing, and coagulating the fluid and being made of a cationized cellulose fiber containing nitrogen, an inner water-proofing member for preventing the fluid from permeating to the back side of the article and being made of a cellulose fiber, and an outer cover member for covering both the inner and core members and being made of cellulose or artificial fiber or a mixture of the cellulose and artificial fibers.

Inventors

  • 👤 Tadashi Nagano
  • 👤 Nobuakira Fujinami

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:33
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 136 words
A compact article for treating secreting fluid of the human body comprising an absorbent core member made of a cationized cellulose fiber and containing nitrogen in an amount ranging from 0.5 to 10 percent, said fiber being a mixture of a fiber and an alkaline aqueous solution of cyanamide compounds, said core member being treated with an astringent or gelatinizing agent consisting of at least tannic acid, alum, ferric chloride, polyethylene oxide, polyacrylic acid soda and carboxymethyl cellulose; an inner water-proofing member made of a cellulose fiber and partially covering said core member, said inner member preventing said secreting fluid from permeating to the backside of said article; and an outer cover member made of cellulose or artificial fiber or a mixture of cellulose and artificial fibers and completely covering both said core and inner members.
Claim 2
Dependent Claim 136 words
A compact article for treating secreting fluid of the human body comprising an absorbent core member made of a cationized cellulose fiber and containing nitrogen in an amount ranging from 0.5 to 10 percent, said fiber being a mixture of a fiber and an alkaline aqueous solution of cyanamide compounds, said core member being treated with an astringent or gelatinizing agent consisting of at least tannic acid, alum, ferric chloride, polyethylene oxide, polyacrylic acid soda and carboxymethyl cellulose; an inner water-proofing member made of a cellulose fiber and partially covering said core member, said inner member preventing said secreting fluid from permeating to the backside of said article; and an outer cover member made of cellulose or artificial fiber or a mixture of cellulose and artificial fibers and completely covering both said core and inner members.

References Cited (Backward Citations)

US3172817A Cited
US3371667A Cited
US3386441A Cited
US3554863A Cited
US3617439A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-05-30 1980-11-29 1981-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-05-30 1984-11-29 1985-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-05-30 1988-11-29 1989-05-31 $7700.00 Window Closed / Lapsed

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