Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5215554 | Membranes having enhanced selectivity and method of producing such membranes Glassy polymeric gas separation membranes are chemically modified throughout the thickness thereof. Such membranes manifest selectivity for a pair of gases which is greater than the intrinsic selectivity of the glassy polymeric material and which is great... | 06/01/1993 |
| 5131929 | Pressure control for improved gas dehydration in systems which employ membrane dryers in intermittent service An apparatus and process for dehumidification of a compressed gas using a membrane cartridge dryer wherein substantially dry gas is provided upon process startup without requiring purging of the membrane cartridge. In the apparatus, a back pressure regula... | 07/21/1992 |
| 5030251 | System and method for separating a portion of a gas from a mixture of gases A system for separating a portion of a first gas from a gaseous feed comprising a mixture of gases that is intermittently supplied to the system. The system comprises a membrane gas separator having at least one membrane through which the first gas permea... | 07/09/1991 |
| 5013767 | Asymmetric gas separation membranes having improved strength A dope for forming membranes and the resulting asymmetric gas separation membranes are disclosed, the membranes having graded density skins which exhibit improved permeability characteristics and increased failure pressure strength. The membranes are prod... | 05/07/1991 |
| 4992221 | Asymmetric gas separation membranes having improved strength A dope for forming membranes and the resulting asymmetric gas separation membranes are disclosed, the membranes having graded density skins which exhibit improved permeability characteristics and increased failure pressure strength. The membranes are prod... | 02/12/1991 |
| 4894068 | Process for capturing nitrogen from air using gas separation membranes Nitrogen gas of high purity is produced from compressed air by contacting the air with a first gas membrane separator permitting oxygen to permeate therethrough selectively while restraining the passage of nitrogen. The nonpermeant gas is then brought int... | 01/16/1990 |
| 4787786 | Laminate cutting device The present invention relates to a cutting device suitable for cutting one part of a laminate to conform its shape to the other part of the laminate. The device comprises a vertical motion means mounted on a horizontal motion means, the vertical motion me... | 11/29/1988 |
| 4605402 | Softening of a composite absorbent product A softened, absorbent, composite structure is provided which structure is comprised of a fibrous web containing at least about 200 percent by weight of superabsorbent and containing a wicking layer subjected to microcorrugating in at least one direction a... | 08/12/1986 |
| 4596567 | Perf-embossed absorbent structure A soft, perf-embossed, absorbent composite structure is provided which comprises an absorbing layer of a fibrous web containing at least about 200 percent by weight of superabsorbent and a wicking layer. The composite structure has a Taber stiffness value... | 06/24/1986 |
| 4590114 | Stabilized absorbent structure containing thermoplastic fibers A batt including a major percent of thermo-mechanical wood pulp fibers is stabilized by the inclusion of a minor percent of thermoplastic fibers, which latter fibers are heat fused to one another and to the thermo-mechanical wood pulp fibers at fiber inte... | 05/20/1986 |
| 4578070 | Absorbent structure containing corrugated web layers An absorbent product is provided having a first fibrous layer in the form of a nonwoven web and a second layer which is discrete from the first layer but united to the first layer. The second layer has a higher capillary pressure than the first layer to p... | 03/25/1986 |
| 4576598 | Disposable diaper with improved adhesive tab system A disposable diaper having an absorbent layer and a moisture-impervious backing sheet. The diaper has an adhesive tab system comprising an adhesive tab and a release liner. The adhesive tab has an anchoring end portion which is permanently attached to the... | 03/18/1986 |
| 4573991 | Gatherable laminated structure including an apertured elastic member A laminated structure adapted to be gathered for improved fit about a portion of the human body, said laminated structure comprising an elastic member disposed between first and second substrates of flexible gatherable material, said elastic member includ... | 03/04/1986 |
| 4573988 | Superthin absorbent product A superthin absorbent disposable product is provided having an absorbing layer containing superabsorbent and a wicking layer. The product is suitable for use in disposable diapers, sanitary napkins, incontinent pads, wipes and the like.... | 03/04/1986 |
| 4560372 | Stable disposable absorbent structure A disposable absorbent product is provided in the form of a layered structure. A first fibrous layer of resilient fibers contains superabsorbent and is superposed on a layer of hydrophilic material. The layers are unpressed and slit followed by extrusion ... | 12/24/1985 |
| 4559050 | Thin, soft, absorbent product An absorbent structure is provided, which is comprised of a fibrous web, having an initial dry bulk of at least about 20 cc/gm., a dry bulk recovery of at least about 30 percent, and a wet bulk of at least about 30 cc/gm., and a basis weight less than abo... | 12/17/1985 |
| 4552560 | Resealable adhesive tab fastener An adhesive resealable tab fastener means suitable for use on a disposable diaper is provided which minimizes tearing of the tab fastener means itself or tearing it from the diaper when opening and closing repeatedly. The tab fastener means is provided wi... | 11/12/1985 |
| 4551143 | Nonwoven fibrous product and method of making same Nonwoven, air-laid fabrics formed predominantly of textile length, synthetic, resilient fibers of staple length, the fabric being resin-bonded and having a density less than about 0.06 gm/cc at 0.16 lb/sq. in. load and a weight less than 3 oz/sq. yd. The ... | 11/05/1985 |
| 4544596 | Stabilized absorbent structure containing non-delignified wood pulp fibers A batt of non-delignified fibers is stabilized by applying ultrasonic energy thereto in narrow compressed lines which aid in distributing liquid within the batt. The fibers are partially delignified at fiber intersections which are hydrogen bonded. Supple... | 10/01/1985 |
| 4540415 | Disposable diaper with a repositionable tape tab fastener A disposable diaper is provided which has a pressure-sensitive adhesive closure, a moisture-permeable facing sheet, and a polyethylene moisture-impermeable backing sheet. The pressure-sensitive adhesive closure has an adhesive composition that permits reo... | 09/10/1985 |
| 4540454 | Method of forming a superthin absorbent product A superthin absorbent disposable product is provided having an absorbing layer containing superabsorbent and a wicking layer. The product is suitable for use in disposable diapers, sanitary napkins, incontinent pads, wipes and the like.... | 09/10/1985 |
| 4537590 | Superthin absorbent product A superthin absorbent disposable product is provided having an absorbing layer containing superabsorbent and a wicking layer. The product is suitable for use in disposable diapers, sanitary napkins, incontinent pads, wipes and the like.... | 08/27/1985 |
| 4536432 | Stabilized absorbent structure and method of making same An absorbent batt of non-delignified fibers is stabilized by applying a lignin solvent to an assemblage of such fibers to soften at least 10 percent of the fibers. When the fiber assemblage is compressed and the solvent is removed, the softened lignin of ... | 08/20/1985 |
| 4501586 | Absorbent structure with reservoir The present invention provides an absorbent structure comprising a moisture-impermeable backing, an absorbent batt and a moisture-permeable cover covering at least the side opposite the moisture-impermeable backing. The absorbent batt is of loosely-compac... | 02/26/1985 |
| 4500315 | Superthin absorbent product A superthin absorbent disposable product is provided having an absorbing layer containing superabsorbent and a wicking layer. The product is suitable for use in disposable diapers, sanitary napkins, incontinent pads, wipes and the like.... | 02/19/1985 |
| 4488923 | Method for producing a fabric having unsecured elastic in areas intermittently disposed along an edge thereof This invention comprises pleating a fabric, securing an elastic member in a relaxed state to the pleated fabric and then removing the pleats from the fabric. On removing the pleats, the elastic member is stretched to provide elastic areas in the previousl... | 12/18/1984 |
| 4450026 | Method of forming a conformable garment with "killed" elastic portions A disposable diaper having improved fit about the legs and/or waist of the wearer and having reinforced corners for enhanced securement of the diaper about the wearer is disclosed. Improved fit and reinforcement are obtained by an elongated, inherently el... | 05/22/1984 |
| 4449979 | Absorbent structure having gradient densities An absorbent structure of loosely compacted cellulosic fibers substantially rectangular in shape having increasing gradient densities from the central portion to each transverse end and methods for making the structure.... | 05/22/1984 |
| 4430086 | Disposable diaper with improved body conformity and liquid retention A disposable diaper having improved fit and liquid containment provided by gathering means adjacent at least one edge of the absorbent panel, said gathering means including at least two separately extending, effectively elastic elements. Each of the effec... | 02/07/1984 |
| 4425126 | Fibrous material and method of making the same using thermoplastic synthetic wood pulp fibers A high loft, low density, nonwoven fibrous web is provided comprising a plurality of irregularly arranged, intersecting, overlapping, mechanically interengaged, loosely assembled fibers including both thermoplastic synthetic wood pulp fibers and other fib... | 01/10/1984 |
| 4417676 | Method and apparatus for partitioning and/or shaping a fibrous batt The invention relates to a method and apparatus for partitioning and/or shaping a batt by gripping the batt with resilient means or, alternatively, with resilient means and non-resilient means, and by stressing or severing the batt without the formation o... | 11/29/1983 |
| 4413995 | Absorbent panel suitable for use in absorbent products The invention provides an absorbent panel which consists of a paper, film or fabric substrate coated on at least one surface with a reactive composition containing from 10 to 40 parts by weight of a liquid polyhydroxy organic compound and from 90 to 60 pa... | 11/08/1983 |
| 4413623 | Laminated structures having gathered and ungathered marginal portions and method of manufacturing the same A laminated structure, such as a disposable diaper is provided which includes elastic in the margin to provide gasketing about the legs and, if desired, an improved fit about the waist. A method is provided for placing elastic only in the areas to be gath... | 11/08/1983 |
| 4409049 | Method and apparatus for effecting intermittent securement of a stretched elastic member to a moving web Method and apparatus for continuously attaching an elastic member to discrete portions of a moving web to impart an elasticized character to predetermined portions of the web while preserving the inelastic character of the other portions of the web.... | 10/11/1983 |
| 4407284 | Laminated structures having gathered and ungathered marginal portions and method of manufacturing the same A laminated structure having a marginal area with gathered and ungathered portions which provide an improved fit about a portion of the human body, said laminated structure comprising an elastic member disposed between first and second substrates of flexi... | 10/04/1983 |
| 4392861 | Two-ply fibrous facing material A delaminatable two-ply diaper facing material is provided in which an outer ply, or layer, is made of irregularly arranged, intersecting, overlapping, mechanically interengaged, loosely assembled natural wood pulp fibers and an inner ply, or layer, conta... | 07/12/1983 |
| 4391869 | Nonwoven fibrous product Nonwoven, air-laid fabrics formed predominantly of textile length, synthetic, resilient fibers of staple length, the fabric being resin-bonded and having a density less than about 0.06 gm/cc at 0.16 lb/sq. in. load and a weight less than 3 oz/sq. yd. The ... | 07/05/1983 |
| 4389212 | Diaper with potentially elastic tape fastener A disposable diaper having a facing sheet defining a diaper inside surface for direction toward the wearer and a backing sheet defining a diaper outside surface is provided with adhesive tape tabs comprising first and second anchoring portions and an atta... | 06/21/1983 |
| 4388075 | Disposable diaper with wide elastic gathering means for improved comfort A disposable diaper having a gathering means adjacent at least one edge of the absorbent panel is disclosed. In a preferred embodiment, the gathering means is defined by an elastic member having a width dimension of at least 3/8" and a width-to-thickness ... | 06/14/1983 |
| 4381783 | Absorbent article An absorbent article, such as a disposable diaper, is disclosed which includes a moisture permeable facing layer, a backing layer, and an absorbent layer disposed between said facing and backing layers and including at least one pocket containing a unifor... | 05/03/1983 |
