Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided 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
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)
12/1989
12/28/1989WO1989012661A1 Paper making process
12/27/1989EP0348366A2 A process for the production of paper
12/27/1989EP0348127A2 Process for sizing paper and similar products
12/27/1989EP0347697A2 Basic rhodamine dyes
12/19/1989US4888136 New flame retardant compositions of matter and cellulosic products containing same
12/19/1989US4888128 Paper-coating slips containing fluorescent brighteners
12/12/1989US4886579 Adhesive material for creping of fibrous webs
12/12/1989CA1263802A1 Foam compositions used in paper treatment
12/06/1989EP0344984A2 Precipitated calcium carbonate-cationic starch binder as retention aid system for paper making
12/06/1989EP0344265A1 Low-density material containing a vegetable filler.
11/1989
11/30/1989WO1989011509A1 High performance paper filler and method of producing same
11/30/1989DE3910501A1 Electrolytic recording material for wet recording techniques
11/29/1989EP0343971A2 Process for making uncured felt
11/29/1989EP0343850A2 Absorbent structures from mixed furnishes
11/28/1989US4883866 Methine-azo compounds containing cyclic cationic ammonium groups
11/28/1989US4883564 Polyvinyl alcohol and phosphate salt
11/28/1989US4883475 Absorption of glucose glutamate on paper
11/23/1989EP0342929A1 Security and decorative paper
11/21/1989US4882221 Chemically treated paper products - towel and tissue
11/15/1989EP0341954A1 Biocidal compositions for industrial materials
11/15/1989EP0341325A1 Process for the manufacture of liquid preparations of basic azodyes
11/15/1989EP0341324A1 Process for the manufacture of colour stable solutions of azo dyes
11/14/1989US4880916 Cationic azo dyes containing 2(p-aminophenyl)oxazolo [4,5-b]pyridines and similar compounds as diazo components
11/14/1989US4880497 Hydrolysis of vinylformamide, paper coating
11/07/1989CA1262723A1 Trisazo black dyes
11/02/1989WO1989010448A1 Method of making a water-sensitive substrate water-resistant and rigid in the wet state, and composition for carrying out the method
11/02/1989WO1989010447A1 Processes for the production of paper and paper board
11/02/1989EP0340020A2 Method of creping a fibrous web
10/1989
10/31/1989US4877412 Sulfo group-containing monoazo compounds having an unsubstituted or substituted 4-(benzothiazol-2'-yl)phenyl or 4-(6'-benzothiazol-2"yl)-benzothiazol-2'-yl)phenyldiazo component radical and a 6-hydroxypyrid-2-one coupling component radical
10/25/1989EP0338440A1 A microbicidal/microbistatic composition for industrial use
10/25/1989EP0338439A1 A microbicidal/microbistatic composition
10/24/1989US4876342 Oxazine compounds substituted by one or more basic groups and preparation thereof
10/24/1989US4876170 Light-sensitive material comprising light-sensitive layer containing microcapsules provided on specific paper support
10/19/1989WO1989009804A1 Dyed mineral pigments and applications
10/18/1989EP0337310A1 Poly(vinyl alcohol-vinylamine)copolymers for improved moist compressive strength of paper products
10/18/1989EP0337296A2 A fibrous composition for absorbent pads, a method for the manufacture of an absorbent material from such a composition, and an absorbent material produced by the method
10/17/1989US4874188 Polymer matrix containing photoluminescent doping material
10/11/1989EP0265509A4 An antimicrobially active wet wiper.
10/10/1989US4873143 Hydrophilic crosslinked and a core of uncrosslinked polymers; no agglutination
10/04/1989EP0335575A2 Production of paper and paper board
10/04/1989EP0335157A1 Nitrogen containing, water soluble, polymeric compounds
10/03/1989US4871643 Photopolymerization; transferring unpolymerized compound to image receiver
09/1989
09/27/1989EP0185068B1 Papermaking process
09/27/1989CN1035859A Process for production of paper
09/26/1989US4869782 Retention of kinking
09/26/1989CA1261822A1 Methine-azo compounds
09/26/1989CA1261062A1 Security document using optical fibers and authentication method
09/26/1989CA1260338A1 Method for producing active agent-containing laminated paper
09/21/1989WO1989008742A1 Retention and drainage aid for papermaking
09/21/1989WO1989008741A1 A process for the production of paper
09/21/1989WO1989008739A1 Saturating grade paper
09/21/1989WO1989006638A3 Retention and drainage aid for papermaking
09/21/1989DE3907163A1 Anionische disazofarbstoffe Anionic disazo dyes
09/20/1989EP0333506A2 Flame retardant vegetable fibre material and the process of the same
09/20/1989EP0332967A2 Polyamide amine resin
09/14/1989DE3906695A1 Security element in the form of a thread or strip for embedding in securities and method for its production
09/12/1989CA1259153A1 Production of paper and paperboard
09/08/1989WO1989008166A1 Security element in the form of a thread or a ribbon for insertion in security documents, and process for producing it
09/08/1989WO1989008137A1 Fire-retardant
09/06/1989EP0331421A2 Hollow polymer particles, process for production thereof, and use thereof as pigment
09/06/1989EP0331066A2 Polymers
09/06/1989EP0331047A1 Papermaking process comprising the addition of high molecular weight poly(vinylamines) to the wet-end cellulose fiber slurry
09/06/1989EP0330738A1 Document
09/06/1989EP0330733A1 Thread- or strip-like security element to be included in a security document, and a method of manufacturing same
09/05/1989US4863987 Deodorizing coating formulations and deodorizing sheets making use of same
09/05/1989US4863783 Security paper
08/1989
08/29/1989US4861766 Antimicrobial composition
08/29/1989US4861429 Process for inhibiting white pitch deposition in papermaking felts
08/29/1989US4861428 Reinforced polymer sheet
08/23/1989EP0328756A1 Base paper for photographic supports
08/22/1989US4859577 Paper sheet containing polyketene dimer coated with polyolefin
08/22/1989US4859454 Paper distributing an active compound on burning, and a pyrotechnic distributor using such paper
08/22/1989US4859246 Use of high molecular weight sulfonate as auxiliary dispersants for structured kaolins
08/22/1989US4859244 Paper sizing
08/15/1989US4857586 Halogen-free epihalohydrin/polyamine polymers neuetralized by a base and reacted with a halogen-free mineral acid; paper and wool finishing; aftertreatment for reactive- and direct-dyed cellulose
08/08/1989US4855343 Paper size based on finely divided aqueous dispersions
08/08/1989CA1258205A1 Pattern forming saturator and method
08/03/1989DE3802046A1 Hygiene paper (prevention of dermatomycosis - mycosis pedis)
08/02/1989EP0325825A1 Phosphorescent materials
08/01/1989US4853431 Adding a mixture of weak and strong acids
08/01/1989US4853085 Neutral sized paper for use in the production of gypsum wallboard
07/1989
07/27/1989WO1989006638A2 Retention and drainage aid for papermaking
07/27/1989WO1989006637A1 Polyaluminosilicate microgel process and composition
07/25/1989US4851291 Impregnated with phase change or plastic crystalline material; protective clothing
07/25/1989EP0282571A4 Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized.
07/19/1989EP0324354A2 Graft polymers, preparation process and use
07/19/1989CN1034079A Secret paper for making paper currency and securities
07/13/1989WO1989006294A1 Method of reducing pitch in pulping and papermaking
07/12/1989EP0186665B1 Procedure for dispersing talc
07/11/1989US4847364 Cationic dyes for paper
07/11/1989US4846933 Process for controlling pitch deposition from pulp in papermaking systems
07/11/1989US4846932 Absorbancy, pulp, fibers, solidification
07/04/1989US4845209 Cationic phthalocyanine compounds
07/04/1989US4844777 (meth)acrylate coating hardened by electron beams
06/1989
06/29/1989WO1989005884A1 Low-density material containing a vegetable filler
06/29/1989WO1989005762A1 Control of biological characteristics of material
06/28/1989EP0321778A2 Basic dyes
06/21/1989EP0320774A2 Monoazo pigment, its preparation process and its use
06/15/1989WO1989005376A1 Sizing agent for paper
06/15/1989DE3741282A1 Leimungsmittel fuer papier Sizing agent for paper
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