Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755) |
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12/09/1993 | WO1993024334A1 Printed matter and printing method |
12/01/1993 | EP0572304A1 Carbon dioxide in neutral and alkaline sizing processes |
12/01/1993 | EP0571832A2 Imides and their salts and their use as surface active agents |
11/30/1993 | US5266218 Aqueous systems |
11/30/1993 | US5266166 Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer |
11/30/1993 | US5266164 Papermaking process with improved drainage and retention |
11/30/1993 | US5266078 Enhancement of fluorescent whitening agents: water-soluble phosphonates and carboxylates for coating paper |
11/30/1993 | US5265916 Secure event tickets |
11/30/1993 | CA1324707C Retention and drainage aid for papermaking |
11/30/1993 | CA1324706C Creping device adhesive formulation |
11/30/1993 | CA1324705C Process for the production of paper |
11/30/1993 | CA1324703C Retention and drainage aid for papermaking |
11/27/1993 | CA2096816A1 Imides and their salts, as well as their use |
11/25/1993 | DE4315031A1 New sulphonated dis:azo dyes |
11/24/1993 | EP0571144A1 Control of deposition of organic contaminants |
11/24/1993 | CN1078758A Paper tissue preventing virus |
11/23/1993 | US5264081 Forgery-proof safety paper |
11/23/1993 | US5263500 Calcium carbonate mineral filler |
11/18/1993 | EP0569699A1 Fluid Poly(vinyl alcohol) suspensions |
11/16/1993 | US5262008 Production of paper, board and cardboard in the presence of copolymers containing N-vinylformamide units |
11/16/1993 | US5262007 Soft absorbent tissue paper containing a biodegradable quaternized amine-ester softening compound and a temporary wet strength resin |
11/16/1993 | US5261954 Valuable decument paper carry both starch and iodate salt and color generating system cotains an acidic solution of iodide salt useful for varification |
11/11/1993 | WO1993022501A1 Bleaching of a paper web with peroxide |
11/11/1993 | CA2134072A1 Bleaching of a paper web with peroxide |
11/10/1993 | EP0569085A1 Pitch or stickies control agent |
11/10/1993 | EP0568599A1 Method for avoiding pitch troubles by use of thermostable lipase. |
11/10/1993 | EP0366764B1 Processes for the production of paper and paper board |
11/09/1993 | US5260396 Diapers |
11/09/1993 | CA1324037C Press felt conditioner for neutral and alkaline papermaking systems |
11/03/1993 | EP0568229A1 Control of deposition of organic contaminants in pulp and papermaking systems |
11/03/1993 | EP0567846A1 Cationic triazatrimethine dyes |
10/29/1993 | CA2091273A1 Detackification of adhesive materials contained in secondary fiber using vinylpyrrolidone based polymers |
10/29/1993 | CA2091272A1 Methods for controlling the deposition of organic contaminants in pulp and papermaking processes |
10/28/1993 | WO1993021383A1 Soft absorbent tissue paper containing a biodegradable quaternized amine-ester softening compound and a temporary wet strength resin |
10/27/1993 | EP0523230A4 Reinforced films made from water soluble polymers |
10/26/1993 | US5256254 Spraying a water solution of antideposit agent a phosphates of a monoester, a diester or a triester |
10/26/1993 | US5256253 Methods for inhibiting barium sulfate deposition using a poly(amine)compound or its salts in papermaking systems |
10/26/1993 | US5256252 Method for controlling pitch deposits using lipase and cationic polymer |
10/24/1993 | CA2093092A1 Aqueous emulsion and easily macerating moisture-proof paper |
10/20/1993 | CN2144137Y Sheet glass packaging wadding paper with mildew and rub prevention features |
10/20/1993 | CN1077508A Prepn. method for medicinal hygeian tissue |
10/20/1993 | CN1022501C Paper tissue for beauty and skin protecting |
10/20/1993 | CN1022491C Fire resistant materials |
10/19/1993 | US5254675 Anionic disazo dyes |
10/19/1993 | US5254221 Processes for the production of paper and paper board |
10/19/1993 | US5254220 Process for positioning rigid segments into a continuous paper web |
10/14/1993 | WO1993020280A1 Antistatic sheet |
10/14/1993 | WO1993020019A1 Synergistic filler blends for wood-containing papers |
10/14/1993 | WO1993020010A1 Clustered precipitated calcium carbonate particles |
10/14/1993 | CA2133472A1 Clustered precipitated calcium carbonate particles |
10/13/1993 | EP0564994A1 Stable blend of ketene dimer size and colloidal silica |
10/13/1993 | EP0564912A1 Paper wet-strengthening process |
10/13/1993 | CN1077238A Method for making women's sanitary paper |
10/12/1993 | US5252332 Aqueous solution containing borate and bicarbonate |
10/07/1993 | CA2093289A1 Process for imparting wet strength to paper |
10/05/1993 | US5250586 Method for the production of finely divided water soluble polymers |
10/05/1993 | US5250353 Enhanced paper and paperboard biodegradability |
10/05/1993 | CA1322806C Aqueous dispersion of cationic polymer |
10/03/1993 | CA2093198A1 Poly (vinyl alcohol) fluidized polymer suspensions |
09/30/1993 | WO1993019247A1 Polysilicate microgels as retention/drainage aids in papermaking |
09/30/1993 | WO1993019098A1 Precipitation polymerization of copolymers of a vinyl lactam and a polymerizable carboxylic acid and solubilization thereof |
09/29/1993 | EP0562739A1 Control of slime formation in industrial process waters |
09/29/1993 | EP0562322A1 Process for producing a decay-resistant paper for the manufacture of a pot for raising and transplanting seedlings |
09/29/1993 | EP0561828A1 Paper and a method of paper manufacture. |
09/29/1993 | CN1076746A Manufacture method of disinfected fragrant tissue |
09/28/1993 | US5248724 Strength, nontacky, polyvinyl alcohol, ethylene oxide-propylene oxide copolymer |
09/28/1993 | US5248556 Systhetic whitener pigment |
09/28/1993 | CA1322435C Production of paper and paper board |
09/25/1993 | CA2092234A1 Glutaraldehyde plus 2-(thiocyanomethlthio)-benzothiazole as a biocide for industrial waters plus pulp and paper systems |
09/22/1993 | CN1076499A Xuan paper for water painting from life |
09/22/1993 | CN1076429A New polyaluminumchlorosulfates and preparation and uses thereof |
09/21/1993 | US5246548 Pitch control |
09/21/1993 | US5246547 Hydrophobic polyelectrolyte coagulants for the control of pitch in pulp and paper systems |
09/21/1993 | US5246546 Hot rolling, evaporation, calendering and transferring |
09/21/1993 | US5246545 Process for applying chemical papermaking additives from a thin film to tissue paper |
09/21/1993 | US5246544 Crosslinkable creping adhesives |
09/15/1993 | EP0560257A1 Enhancement of tissue paper softness with minimal effect on strength |
09/08/1993 | EP0559310A1 Ink compositions |
09/08/1993 | EP0500770B1 A process for the production of paper |
09/07/1993 | US5242749 Fibers and unconsolidated particles of non-crosslinked elastomer bonded togather |
09/07/1993 | CA2087489A1 Chemical compositions |
09/01/1993 | EP0558360A1 Process for bacterial treatment of circuits in paper industry contaminated with flora |
09/01/1993 | CN2141429Y Spray-painting machine |
08/31/1993 | US5241054 Yellow, orange, red dye, especially for paper, cellulose |
08/31/1993 | US5240562 Paper products containing a chemical softening composition |
08/31/1993 | US5239902 Method and apparatus for processing sheets of material in register, in particular for making security threads |
08/25/1993 | EP0557157A1 Sheet provided with watermark-like markings |
08/25/1993 | EP0557153A1 Aluminiumpolychlorosulphates, process for their preparation and their uses |
08/24/1993 | US5239047 Aminopolyamide-epichlorohydrin cationic resin, tensile strength |
08/24/1993 | US5238572 Enzyme treatment for industrial slime control |
08/19/1993 | WO1993016229A1 A process for making a paper based product containing a binder |
08/19/1993 | CA2129734A1 A process for making a paper based product containing a binder |
08/18/1993 | EP0555210A1 Microbiocidal combinations of materials and their use |
08/18/1993 | CN1075262A Styptical medical paper |
08/11/1993 | EP0554667A1 Blends of fluor containing copolymers |
08/10/1993 | US5234547 Creping aid |
08/10/1993 | US5234466 Forms less corrosive solution than sulfamic acid |
08/10/1993 | CA1321046C Method for dewatering paper |
08/05/1993 | WO1993015272A1 Image carrier for a reprographic image |
08/05/1993 | DE4202703A1 Increasing vol. and porosity of paper - with alkoxylated unsatd. fatty acid ester(s) |