...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7700027 | Creping aid composition and methods for producing paper products using that system The present invention relates to a creping aid composition comprising a film-forming semi-crystalline polymer and a vehicle system comprising a cationic polymer resin, a water soluble anionic film forming polymer, and water, wherein the net Mutek charge of the vehic... | 04/20/2010 |
| 6835264 | Method for producing creped nonwoven webs The present invention provides a one or two step method for bonding and creping or double creping a nonwoven web. In the method of the present invention, a nonwoven web is adhered to a creping roll and bonded while on the creping roll. The bonding of the nonwoven ad... | 12/28/2004 |
| 6808597 | Methods of making and using creping adhesives comprised of polyamine-epihalohydrin resin/poly(vinyl alcohol) mixtures Methods for making creping adhesives and using them in the creping of cellulosic fiber webs. The creping adhesives are a combination of polyamine-epihalohydrin and poly(vinyl alcohol). The method comprises the preparation and application of the creping adhesives to ... | 10/26/2004 |
| 6797226 | Process of making microcreped wipers A method for forming a wiping product. In particular, the wiping product contains a fabric formed from a nonwoven web that is bonded by microcreping at least one side of the web. The nonwoven web can contain melt-spinnable fibers, such as polyolefins, as well as var... | 09/28/2004 |
| 6726870 | Method for making a bulked web A method for making a bulky web. A web is fed in a first direction. The web is subjected to incremental stretching in a direction perpendicular to the first direction to provide a bulky web. The bulky web is then stabilized to provide a stabilized bulked web, Option... | 04/27/2004 |
| 6709548 | Creping blade, creped paper, and method of manufacturing paper A creping blade for creping a cellulosic web from a rotatable cylinder in a creping process includes first and second side faces. The first side face is at least substantially opposite to the second side file. The blade also includes an upper surface adjacent to the... | 03/23/2004 |
| 6699359 | Crosslinkable creping adhesive formulations Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming a web of cellulosic papermaking fibers, adhering said web ... | 03/02/2004 |
| 6689250 | Crosslinkable creping adhesive formulations Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming a web of cellulosic papermaking fibers, adhering said web ... | 02/10/2004 |
| 6663807 | Process for complex shape formation using flexible graphite sheets Processes are provided for formation of complex shapes by embossing of a sheet of flexible graphite material. In one approach, a sheet of material is provided with a variable resin concentration across its width, and the position of the variable resin con... | 12/16/2003 |
| 6663942 | Crosslinkable creping adhesive formulations applied to a dryer surface or to a cellulosic fiber Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming a web of cellulosic papermaking fibers, adhering said web ... | 12/16/2003 |
| 6562194 | Method of creping paper webs A non-oil-based release aid used in a creping process for releasing a paper web from a Yankee dryer in the manufacture of a paper product having a formula for its block version as follows: R--(OC3 H6)y (OC2 H4 | 05/13/2003 |
| 6547925 | Method of applying chemical softening agents for making soft tissue An especially soft creped tissue can be produced by the indirect addition of chemical softening agents to the tissue web by applying the chemical softening agents to the surface of the Yankee dryer, such as by spraying. More specifically, the softening ag... | 04/15/2003 |
| 6527913 | Creping blade, system, and method for creping a cellulosic web A creping blade for creping a cellulosic web from a rotatable cylinder in a creping process includes first and second side faces. The first side face is at least substantially opposite to the second side face. The blade also includes an upper surface that... | 03/04/2003 |
| 6506329 | Method for making a stable nonwoven web having enhanced extensibility in multiple direction The present invention provides a stable material having enhanced extensibility and a method for making the same. A neckable material is fed in a first direction. The neckable material is subjected to incremental stretching in a direction perpendicular to ... | 01/14/2003 |
| 6379496 | Wet creping process The present invention is a method for making a high quality paper product at improved process efficiency through the use of high steam levels in the Yankee dryer. The product according to the present invention is creped from the Yankee dryer while it is s... | 04/30/2002 |
| 6375889 | Method of making machine direction stretchable nonwoven fabrics having a high degree of recovery upon elongation A method of producing a non-woven fabric having a high recovery after elongation and a substantially uniform surface including the steps of microcrepeing the fabric between about 20% and 35%, and heat setting the fabric to a temperature between its glass ... | 04/23/2002 |
| 6214146 | Creped wiping product containing binder fibers The present invention is generally directed to wiping products having great softness and strength. The wiping products are made from a web of material containing binder fibers alone or in combination with pulp fibers. Once the web is formed, the web is ad... | 04/10/2001 |
| 6210528 | Process of making web-creped imprinted paper A low density, wet-creped paper web having improved levels of tensile strength, tear strength and thickness. The web has a distribution of densified regions corresponding to the distribution of knuckles on a drying fabric. Generally speaking, these densif... | 04/03/2001 |
| 6207734 | Creping adhesive for creping tissue paper 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. T... | 03/27/2001 |
| 6207011 | Crosslinkable creping adhesive formulations A method for producing absorbent creped cellulosic sheets is disclosed. The process is carried out by applying zirconium crosslinking agent directly and separately on the Yankee dryer at the time the base polymer is applied to the surface. These creped sh... | 03/27/2001 |
| 6187139 | Wet creping process The present invention is a method for making a high quality paper product at improved process efficiency through the use of high steam levels in the Yankee dryer. The product according to the present invention is creped from the Yankee dryer while it is s... | 02/13/2001 |
| 6129815 | Absorbent towel/wiper with reinforced surface and method for producing same The present invention provides a multi-layered wiping product that maintains desired characteristics of softness, strength, stretchability, absorbency, and the like. The wiping product is formed from a process using a multi-layered paper web, printing a b... | 10/10/2000 |
| 6074526 | Method of creping tissue A creping doctor blade and method of forming such blade including a thin flexible generally planar creping member having an elongated flexible, substantially prismatic body having a relieved substantially planar engagement surface adapted to bear against ... | 06/13/2000 |
| 6066234 | Generating a unique crepe structure A process for producing a creped sheet as well as a creping blade and creped paper product formed by such blade is set forth with the process including the steps of adhering a cellulosic web to a moving surface, providing a stepped creping blade disposed ... | 05/23/2000 |
| 5980690 | Creping adhesives containing oxazoline polymers and methods of use thereof A creping adhesive containing about 1% to about 25% by weight solids comprising a multipolymer blend of polyoxazoline, polyethyleneimine, and modified polyethyleneimine, which imparts softness and resistance to bleaching, to a cellulosic web, and methods ... | 11/09/1999 |
| 5944954 | Process for creping tissue paper 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. T... | 08/31/1999 |
| 5942085 | Process for producing creped paper products A method for producing creped paper products comprising applying to a drying surface, a film-forming semi-crystalline polymer and a non-thermosetting cationic resin containing no secondary amine. The invention also comprises a method for producing creped ... | 08/24/1999 |
| 5858171 | Methods for manufacturing paper using creping adhesives containing oxazoline polymers A process for creping paper using a creping adhesive is described. The creping adhesive concentrate contains about 1 percent to about 25 percent by weight solids, and the solids contain oxazoline polymer and a polyamide resin polymer. The concentrate is d... | 01/12/1999 |
| 5833806 | Method for creping fibrous webs A method for creping fibrous webs comprises: (1) applying to a drying surface for the fibrous web a polyamine/epihalohydrin resin creping adhesive; (2) applying a creping release agent that is a plasticizer for the polyamine/epihalohydrin resin and has a ... | 11/10/1998 |
| 5792404 | Method for forming a nonwoven web exhibiting surface energy gradients and increased caliper The present invention pertains, in a preferred embodiment, to a method for forming a nonwoven web exhibiting a plurality of surface energy gradients. The method includes the steps of: providing a nonwoven web of fibers exhibiting a surface energy, the non... | 08/11/1998 |
| 5783042 | System and method of measuring deflected doctor blade angle and loading force A method and system of measuring deflected doctor blade angle and loading force of an arrangement including a doctor apparatus operating in connection with a rotating cylinder, the apparatus having a doctor blade and a support member which pivots about at... | 07/21/1998 |
| 5776306 | Recreped absorbent paper product and method for making A method of making a bonded and creped type absorbent paper web that has improved bulk to peel strength characteristics includes steps of (a) printing a low density pattern of a bonding material onto a first and a second side of a paper web; and (b) in no... | 07/07/1998 |
| 5690788 | Biaxially undulatory tissue and creping process using undulatory blade The present invention relates to biaxially undulatory single-ply and multi-ply tissues, single-ply and multi-ply towels, single-ply and multi-ply napkins and other personal care and cleaning products as well as novel creping blades and novel processes for... | 11/25/1997 |
| 5690787 | Polymer reinforced paper having improved cross-direction tear A method of forming a polymer-reinforced paper which includes preparing an aqueous suspension of fibers, at least about 50 percent, by dry weight, of which are cellulosic fibers; distributing the suspension on a forming wire; removing water from the distr... | 11/25/1997 |
| 5246544 | Crosslinkable creping adhesives A creping adhesive is described which provides the ability to readily control glass transition temperature (Tg) and adhesion and which can be easily removed from dryer surfaces. The creping adhesive contains a crosslinkable polymer and preferably an ionic... | 09/21/1993 |
| 5234547 | Creping aid A method of creping a paper is described which comprises applying to the creping drum prior to the application of the paper web to be creped, a synthetic anionic polymer.... | 08/10/1993 |
| 5179150 | Polyvinyl alcohols in combination with glyoxlated-vinyl amide polymers as yankee dryer adhesive compositions Improved creping compositions comprising glyoxylated vinylamide polymers in combination with polyvinyl alcohol are disclosed.... | 01/12/1993 |
| 5043125 | Method of forming a chain of meandering coupling elements for slide fasteners A method of forming a chain of meandering or zig-zag coupling elements for slide fasteners includes dividing or bifurcating a continuous length of substantially cross-sectionally circular monofilamentary material axially into identical halves of substanti... | 08/27/1991 |
| 4919877 | Process for softening webs A microcreping process is improved by using a razor sharp retarder blade positioned such that its razor edge is overlapped by either the primary blade or a back-up blade, whichever extends the furthest downstream. Preferably, pressure is applied to the pr... | 04/24/1990 |
| 4886579 | Adhesive material for creping of fibrous webs A creping adhesive formulation comprising 10-100% by weight of a polymer or copolymer having a Tg greater than 50° C.... | 12/12/1989 |