1
Paul T Weisman, Stephen A Goldman: High-density absorbent structures. September 9, 1986: US04610678 (686 worldwide citation)

Absorbent structures comprising a mixture of hydrophilic fibers and discrete particles of a water insoluble hydrogel are disclosed. The fiber/hydrogel ratios range from about 30:70 to about 98:2. The absorbent structures have a density of from about 0.15 g/cm.sup.3 to about 1 g/cm.sup.3. The structu ...


2
Paul T Weisman, Dawn I Houghton, Dale A Gellert: Absorbent articles with dual-layered cores. The Procter & Gamble Company, George W Allen, Steven J Goldstein, Richard C Witte, June 16, 1987: US04673402 (535 worldwide citation)

The present invention provides absorbent articles, such as disposable diapers, which utilize substantially water-insoluble hydrogel material to enhance the absorbent capacity of such articles. In these articles, the hydrogel material, combined in particulate form with hydrophilic fiber material, is ...


3
Allen D Early, David W Cawlfield, Trevor Walker, Paul T Weisman: Hydrophilic microfibrous absorbent webs. The Procter & Gamble Company, Jacobus C Rasser, Steven J Goldstein, Jack D Schaeffer, August 28, 1984: US04468428 (89 worldwide citation)

Fibrous absorbent webs having a low density (about 0.01 g/cm.sup.3 to about 0.15 g/cm.sup.3) and comprising at least about 50% hydrophilic microfibers, such as cellulose microfibers, having a diameter of from about 0.01 microns to about 15 microns possess superior absorption properties, especially u ...


4
Paul T Weisman, Thomas H Daugherty, Thomas I Insley Jr: Composite absorbent structures. The Procter & Gamble Co, Minnesota Mining and Manufacturing Company, George W Allen, Jerry J Yetter, Richard C Witte, September 27, 1988: US04773903 (74 worldwide citation)

The present invention relates to composite absorbent structures suitable for incorporation into absorbent articles such as sanitary napkins, diapers, training pants and the like. Such structures comprise webs of entangled blown microfibers, substantially non-absorbent crimped staple fibers, particle ...


5
Paul T Weisman, Herbert L Retzsch: Silica coated absorbent fibers. The Procter & Gamble Company, Jacobus C Rasser, Steven J Goldstein, Jack D Schaeffer, September 4, 1984: US04469746 (54 worldwide citation)

Fibrous webs comprising fibers coated with a continuous film comprising silica have excellent absorbent and wicking properties. The fibers themselves may be hydrophilic (e.g., cellulose) or hydrophobic (e.g., a polyolefin or a polyester).


6
Paul T Weisman, Thomas H Daugherty: Composite absorbent structures and absorbent articles containing such structures. The Procter & Gamble Company, George W Allen, Jerry J Yetter, Richard C Witte, September 12, 1989: US04865596 (51 worldwide citation)

The present invention relates to composite absorbent structures suitable for incorporation into absorbent articles such as sanitary napkins, diapers, incontinent devices, training pants and the like. Such structures comprise webs of entangled blown microfibers, substantially nonabsorbent crimped sta ...


7
Kenneth D Vinson, Paul T Weisman, Dean V Phan: Strong and soft creped tissue paper and process for making the same by use of biodegradable crepe facilitating compositions. The Procter & Gamble Company, Bart S Hersko, E Kelly Linman, Jacobus C Rasser, January 30, 1996: US05487813 (48 worldwide citation)

Soft creped tissue paper products comprising papermaking fibers and a biodegradable crepe facilitating composition is disclosed. The crepe facilitating composition is a biodegradable bonding inhibitor, a cationic starch and a carboxymethyl cellulose. Preferably, the biodegradable bonding inhibitor i ...


8
Kenneth D Vinson, Paul T Weisman, Dean V Phan: Process for making soft creped tissue paper and product therefrom. The Procter & Gamble Company, Bart S Hersko, E Kelly Linman, Jacobus C Rasser, June 3, 1997: US05635028 (26 worldwide citation)

Soft creped tissue paper products comprising papermaking fibers and a crepe facilitating composition are disclosed. The crepe facilitating composition comprises a bonding inhibitor, a cationic starch and a carboxymethyl cellulose. Preferably, the bonding inhibitor is a quaternary ammonium compound. ...


9
Kenneth D Vinson, Paul T Weisman, Jonathan A Ficke: Soft tissue paper having surface deposited softening agent. The Procter &Amp Gamble Co, wu xiaonan, February 23, 2000: CN97181707

Strong, soft, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. At least one surface of the tissue papers has uniform discrete surface deposits of a substantively affixed chemical s ...


10
Kenneth D Vinson, Khosrow P Mohammadi, Paul T Weisman: Process for creping tissue paper. The Procter &Amp Gamble Co, li xiaoshu, July 28, 1999: CN97196050

An adhesive for applying to a creping surface in the process for dry creping tissue paper is disclosed. The adhesive comprises cationic starch and optionally a polyvinyl alcohol and a water-soluble, thermosetting, cationic polyamide-epihalohydrin resin. The adhesive provides high adhesion and doctor ...



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