Abstract: A composition, useful for forming absorbent articles of a carboxylic polyelectrolyte, is prepared by copolymerizing a carboxylic polyelectrolyte monomer, a reactive self-crosslinking monomer and a hydrophobic monomer. The composition in the form of an emulsion or a viscous solution has an extendable shelf life and may be used to produce a superabsorbent material or a substrate impregnated with a superabsorbent material.
Abstract: Body member conformable disposable articles and processes for their preparation are described. A preferred embodiment is a disposable absorbent article comprising a flexible, elastic, moisture impermeable backing film, an absorbent layer superposed thereon and a moisture permeable topsheet joined to the backing film along the edges of the topsheet. A portion of at least one longitudinal edge of the backing film has been folded upon itself and heat sealed together at the fold so that when the backing film is laid flat the aforementioned longitudinal edge will be in stretched condition, thus conferring body member conformability to the article.
Abstract: An auxiliary absorbent article for use atop a primary absorbent article such as a diaper, said auxiliary absorbent article comprising an upper facing layer, a superabsorbent layer and an undersurface, said superabsorbent layer comprising a superabsorbent material dispersed at a matrix such that fluid passes through said auxiliary absorbent article and may be absorbed by the primary absorbent article and subsequently absorbed by the auxiliary absorbent article in the regions remote from the initial wetting.
Abstract: Alcohol/aqueous solutions of certain relatively insoluble imidazole derivatives, particularly micronazole and miconazole nitrate, are prepared to concentrations of at least 1.0 percent by weight active agent. The solutions are pharmacologically acceptable for topical application as the treatment of fungal skin infections and are readily applied by means of a pump sprayer.
Abstract: A nonreinforced microfiber fabric is disclosed. The fabric has minimum grab tensile strength to weight ratio greater than 0.8 N per gram per square meter and a minimum Elmendorf tear strength to weight ratio greater than 0.04 N per gram per square meter. The fibers in the fabric have an average length greater than 10 centimeters and at least 80% of the fibers have a diameter of 7 microns or less. The fabric is made by thermally embossing a microfiber web which is made with a minimum of degradation to the polymer and employing high velocity secondary air to maintain air flow uniformity and fiber length.
Type:
Grant
Filed:
July 11, 1986
Date of Patent:
March 13, 1990
Assignee:
Surgikos, Inc.
Inventors:
Larry H. McAmish, Tralance O. Addy, George F. Lee
Abstract: A corrugated disposable diaper is provided. The diaper has an initially molten liquid-impermeable film as the liquid barrier backing to which is laminated a loosely-compacted cellulosic fibrous batt and a liquid-permeable facing. Multiple strands of elastic are laminated between the initially molten film and a backing fabric in a transverse direction so as to corrugate the fibrous batt and provide a corrugated disposable diaper with longitudinal corrugations.
Abstract: An absorbent article comprising at least two discrete superabsorbent containing layers and a wicking means extending about and between the superabsorbent containing layers.
Abstract: A disposable diaper comprising an absorbent core disposed between a liquid-impermeable backing sheet and a liquid-permeable facing sheet and having means for closing and fastening the diaper around the waist which are independent from means for sealing the diaper around the thighs of the wearer. The diaper employs two regions of adhesive for this purpose. The first said region is preferably located at the upper end of the diaper and comprises two adhesive areas at or near the corners of the diaper. The second adhesive region is located at the other end of the diaper and comprises two adhesive areas which are located in the side margins of the diaper and are spaced away from the corners at said other end. There are slits between the corners of the diaper and the adhesive areas of the second adhesive region. These slits extend inwardly from the side margins of the diaper toward its center.
Abstract: A double fastening system with a slit for using in disposable articles such as disposable diapers having a backing sheet, a liquid permeable cover and an absorbent core disposed therebetween. The fastening system comprises two adhesive regions (15, 16) symmetrically opposite with relation to the longitudinal axis (Y--Y) of the disposable article and applied to the exposed surface of the liquid permeable cover, regions (15, 16) being separated by a slit (17), parallel to the transversal axis (X--X) of such article.
Abstract: An absorbent article comprising at least two discrete superabsorbent containing layers and a wicking means extending about and between the superabsorbent containing layers.
Abstract: The invention relates to absorbent compositions, to methods for handling and immobilizing particulate absorbents, and to absorbent articles produced from the absorbent compositions. Absorbent materials such as cross-linked, water-insoluble and water-swellable particulate polymers are immobilized and safely handled by adding thereto an aqueous liquid such as water or saline in amounts sufficient to form hydrates in which the water comprises from 20% to 80% by weight of the total hydrate. The hydrates may be extruded, sprinkled, or sprayed and can be incorporated into absorbent articles such as diapers and tampons by conventional means. The hydrates unexpectedly increase the total water absorbency of the absorbent on a dry basis.
Type:
Grant
Filed:
September 21, 1987
Date of Patent:
May 2, 1989
Assignee:
Johnson & Johnson, Inc.
Inventors:
John M. Lesniak, Franklin Boardman, Wayne G. Koci, James E. McCann
Abstract: A closure system is disclosed for resealably attaching a pressure sensitive adhesive coated tape tab to a hot-melt coated landing area of a fabric surface, whereby said closure system may be reopened and resealed numerous times while still permitting said tab to bond and hold tenaciously to the fabric surface.
Abstract: Disposable diapers with an anatomical configuration and adaptable to the user's body are described herein.Some of the most usual prior art problems are cutting the material in the crotch portion, shifting of the absorbent structure, discomfort when using a disposable product and less absorbent capacity.Such problems are solved in the present invention by providing a diaper which has, in combination, a substantially rectangular panel without cuts, an absorbent structure (4), comprising three layers, the first layer (5) allowing liquid penetration, the second layer (6) uniformly distributing the liquid and the third layer retaining the liquid, elastic means (9) in the crotch portion, shrinkable means around the thighs region, and pouch-like formations (12) for retaining said liquid consisting of channels (10) and bulges (11).
Abstract: The disclosure relates to a disposable diaper comprising an absorbent batt contained between a moisture permeable facing sheet and a moisture impermeable backing sheet, the diaper has front and rear portions and an intermediate crotch portion, first securing means for attaching the rear portion to the front portion of the diaper so as to hold the diaper on the user after the diaper has been positioned on the user, and second securing means for attaching the front portion to the rear portion of the diaper so as to improve the fit of the diaper around the waist region of the user.
Abstract: A test cell comprises a first enclosure which is closed at one end and open at the other. A fan is located near the closed end for supplying conditioned air to the first enclosure and an aperture in the bottom wall of the enclosure near its open end. An apertured sample holder may be used to hold the test specimen in place during use. The first enclosure is preferably divided into first and second compartments by a slotted divider. The test cell may optionally include a baffle near its closed end to reduce eddying of the air and to provide a uniform air flow pattern across the test specimen. The test cell of the present invention may be used in conjunction with the apparatus described in U.S. Pat. No. 4,357,827 to measure moisture vapor transmission characteristics of a test specimen.
Type:
Grant
Filed:
April 11, 1986
Date of Patent:
May 3, 1988
Assignee:
Johnson & Johnson
Inventors:
Ronald J. Gillespie, Allan P. Farrington
Abstract: An absorbent article particularly suitable for use by male and female adult incontinents. The absorbent article includes a urine receptacle pocket offset to one end of the product and formed by folding the product and adhering together portions of a moisture impervious sheet that are folded over side marginal edges of an absorbent batt.
Abstract: The invention relates to the product and process for making an absorbent structure having a facing sheet and an absorbent batt in superposed relationship. The facing sheet is a nonwoven fabric. Some of the fibers of the batt extend into and are integral with the facing fabric. The extended fibers promote wicking of a liquid through the facing into the batt and stabilize the batt.