Patent US4333465A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4333465A Expired / Lapsed US ⏱️ 0.0 years remaining

Hygienic sanitary towel

Assignee: Individual
•
Filing: 1979-12-05
•
Granted: 1982-06-08
•
Expires: 1999-12-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A sanitary towel for absorbing body fluids composed of an absorptive hydrophilic fiber filling having a cover, the cover being composed of a liquid-impermeable composite material and having a defined liquid-permeable zone. The core of the filling material contains an insert having highly absorptive polymers therein and being covered with a liquid-permeable woven carrier material, fleece or tissue. Such towels are easy to manufacture, highly absorptive and possess good tactile properties.

Inventors

  • 👤 Georg Wiegner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:24
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/511; A61F13/512; A61F13/01; A61F13/15577; A61F13/513; A61F13/51305; A61F13/51394; A61F13/53; A61F13/534; A61F13/537; A61F13/56; A61F13/58; A61F13/45; A61F13/49; A61F2013/49068; A61F2013/49076; A61F2013/51186; A61F2013/5128; A61F2013/530131; A61F2013/530437; A61F2013/530445; A61F2013/582

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 144 words
Hygienic sanitary towel for absorbing body fluid from a fluid opening of the body, consisting of an absorptive filling of hydrophilic fiber material with at least one cover, characterized by the fact that the outer cover (5) consists of a liquid-impermeable composite material and has a defined liquidpermeable absorptive zone (1) at the side facing the fluid opening and contains in the core of the filling an insert (8) in which there are highly absorptive polymers and consists on the outside of a liquid-permeable carrier material (4) of woven material, fleece or tissue and, on the inside, with the exception of the defined absorption zone (1), of a liquid-impermeable layer (6) and wherein insert (10) in the core consists of tissue paper, 8 which is folded once or several times and on which the highly absorptive polymers are applied before the paper is folded.
Claim 2
Dependent Claim 144 words
Hygienic sanitary towel for absorbing body fluid from a fluid opening of the body, consisting of an absorptive filling of hydrophilic fiber material with at least one cover, characterized by the fact that the outer cover (5) consists of a liquid-impermeable composite material and has a defined liquidpermeable absorptive zone (1) at the side facing the fluid opening and contains in the core of the filling an insert (8) in which there are highly absorptive polymers and consists on the outside of a liquid-permeable carrier material (4) of woven material, fleece or tissue and, on the inside, with the exception of the defined absorption zone (1), of a liquid-impermeable layer (6) and wherein insert (10) in the core consists of tissue paper, 8 which is folded once or several times and on which the highly absorptive polymers are applied before the paper is folded.
Claim 3
Dependent Claim 152 words
Hygienic sanitary towel for absorbing body fluid from a fluid opening of the body, consisting of an absorptive filling of hydrophilic fiber material with at least one cover, characterized by the fact that the outer cover (5) consists of a liquid-impermeable composite material and has a defined liquid-permeable absorptive zone (1) at the side facing the fluid opening and contains in the core of the filling an insert (8) in which there are highly absorptive polymers and consists on the outside of a liquid-permeable carrier material (4) of woven material, fleece or tissue and, on the inside, with the exception of the defined absorption zone (1), of a liquid-impermeable layer (6) and wherein insert (10) consists of a tissue tape (8) which is folded once or several times, is calendered with a waffle pattern and constains the highly absorptive polymers (9) stored in granulate form in a large number of small pockets.
Claim 4
Dependent Claim 152 words
Hygienic sanitary towel for absorbing body fluid from a fluid opening of the body, consisting of an absorptive filling of hydrophilic fiber material with at least one cover, characterized by the fact that the outer cover (5) consists of a liquid-impermeable composite material and has a defined liquid-permeable absorptive zone (1) at the side facing the fluid opening and contains in the core of the filling an insert (8) in which there are highly absorptive polymers and consists on the outside of a liquid-permeable carrier material (4) of woven material, fleece or tissue and, on the inside, with the exception of the defined absorption zone (1), of a liquid-impermeable layer (6) and wherein insert (10) consists of a tissue tape (8) which is folded once or several times, is calendered with a waffle pattern and constains the highly absorptive polymers (9) stored in granulate form in a large number of small pockets.

References Cited (Backward Citations)

US1979899A Cited
US2896627A Cited
US3230955A Cited
US3403681A Cited
US3559649A Cited
US3888254A Cited
US3994299A Cited
US4232674A Cited
US4055180A Cited
US4176667A Cited
JPS54132389A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-06-07 1985-12-07 1986-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-06-07 1989-12-07 1990-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-06-07 1993-12-07 1994-06-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag