| 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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| 09/24/1985 | US4543128 Fillers dyed with polycationic dyestuffs useful for coloring paper and non-woven fabrics |
| 09/17/1985 | US4542059 Recording medium |
| 09/03/1985 | US4539049 Composites, coatings |
| 09/03/1985 | US4539048 Aluminum zirconium metallo-organic complexes useful as coupling agents |
| 08/21/1985 | EP0151706A2 Optical diffraction security element |
| 08/13/1985 | US4534398 Counterfeit deterrent-optical devices |
| 08/06/1985 | US4533435 Additive migrates from binding agent to fiberts |
| 08/06/1985 | US4533244 Process for authenticity determination of security documents with security features in the form of luminescing substances |
| 07/31/1985 | EP0150003A2 Cationic paper size and process for its manufacture |
| 07/18/1985 | WO1985003084A1 Utilization of salicylic acid esters as perfuming substances, perfuming compositions containing them and new salicylic acid esters |
| 07/17/1985 | EP0148681A2 Process of dyeing with pulverulent dyes and composition for carrying it out |
| 07/09/1985 | US4528316 Creping adhesives containing polyvinyl alcohol and cationic polyamide resins |
| 07/02/1985 | US4526803 Transparentizing |
| 06/25/1985 | US4525583 Yellow-orange dye for paper |
| 06/19/1985 | EP0145656A2 Cationic compounds |
| 06/19/1985 | EP0145267A2 Method and compositions relating to the activation of fluorescent whitening agents |
| 06/19/1985 | EP0144658A1 Tissue products containing internal aqueous barriers |
| 06/18/1985 | CA1188861A1 Method for upgrading paper and the product formed thereby |
| 06/18/1985 | CA1188857A1 Fire retarding organophosphate compositions |
| 06/04/1985 | US4521217 Phthalocyanine and azo dyestuff mixtures and their use for dyeing paper |
| 05/29/1985 | EP0142777A2 Basic triphendioxazine dyes, their preparation and their use |
| 05/21/1985 | CA1187276A1 Electrographic coating containing aqueous emulsion copolymerized acrylamide copolymers |
| 05/15/1985 | EP0141067A2 Basic dye preparations containing a laking agent |
| 05/15/1985 | EP0141066A1 Mould-resistant sausage casing |
| 05/14/1985 | US4517358 Disazo bis-benzthiazolyl compounds |
| 05/14/1985 | US4517357 Symmetrical bis-(triazinyamino phenyl azo acetoacetanilide) dyestuffs |
| 05/14/1985 | CA1187078A1 Water-soluble triazine compounds, their preparation and their use |
| 05/07/1985 | US4515833 Cubic calcium carbonate |
| 05/07/1985 | US4515599 Process for dyeing paper |
| 05/02/1985 | EP0139193A2 Conductive fiber mat |
| 04/30/1985 | US4514326 Mixture of ammonium pentaborate and an alkali or alkalin sulfate, sulfite and/or hydrophosphate; cellulose insulation |
| 04/25/1985 | WO1985001761A1 Sanitary paper web having high bulk, bulk and surface softness and method of manufacturing said web |
| 04/23/1985 | US4513056 Cellulosic materials rendered transparent |
| 04/23/1985 | CA1185820A1 Filter and method of producing the same |
| 04/11/1985 | WO1985001512A1 Chemically active composition containing ferrous ion |
| 04/09/1985 | US4509987 Contain copolymer of acrylic acid and 2-acrylamido-2-methylpropanesulfonic acid |
| 04/09/1985 | US4509948 Cationic mono- and dis-azo dyestuffs, and their preparation and use for dyeing paper and cationic dyeable substrates |
| 04/03/1985 | EP0135566A1 Aluminum zirconium metallo-organic complex useful as coupling and hydrophobic agents. |
| 03/13/1985 | EP0039686B1 Heat seal fibrous web and method of its manufacture |
| 03/12/1985 | US4504357 Security with identifying marks printed in the substance of a paper layer |
| 03/06/1985 | EP0133699A2 Compositions for imparting temporary wet strength to paper |
| 03/05/1985 | US4503224 Halogenotriazinyl dyestuffs |
| 02/26/1985 | US4501640 Creping adhesives containing polyvinyl alcohol and cationic polyamide resins |
| 02/19/1985 | CA1182943A1 Cationic sizing agent for paper and a process for the preparation thereof |
| 02/13/1985 | EP0132936A1 Flexible fibrous endothermic sheet material for fire protection |
| 01/30/1985 | EP0052624B1 Paper securities with authenticity mark of luminescent material |
| 01/29/1985 | US4496961 Check paper that is protected against forgery and tampering |
| 01/23/1985 | EP0131749A2 Cationic enamin dyestuffs, their preparation and their use |
| 01/16/1985 | EP0131097A2 Process for the preparation of hydrolysis-proof powdery ammonium polyphosphates |
| 12/27/1984 | EP0129315A1 Two component biocidal system |
| 12/27/1984 | EP0129227A2 Flame-resistant starch, process for its preparation and its use |
| 12/27/1984 | EP0129078A1 Manufacture of paper using copolymers of 2-acrylamido-2-methylpropane sulfonic acid for increasing rate of dewatering of high mechanical/thermomechanical pulp furnishes |
| 12/19/1984 | EP0053148B1 Paper security with authenticity mark of luminescent material and method for the authentication thereof |
| 12/12/1984 | EP0127802A2 Meta- and para-isopropenyl-alpha,alpha-dimethylbenzylamine |
| 12/12/1984 | EP0053183B1 Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof |
| 12/11/1984 | US4487800 Process for fireproofing organic fibre material using phosphonic acid salts |
| 12/11/1984 | US4487657 Replacement for asbestos |
| 12/04/1984 | US4486348 Yellow color on paper |
| 11/22/1984 | WO1984004553A1 Paper that contains chemically substituted cellulose |
| 11/20/1984 | US4483959 Organic pigments |
| 11/20/1984 | US4483889 Method for the production of fibre composite materials impregnated with resin |
| 11/13/1984 | US4482429 Paper webs having high bulk and absorbency and process and apparatus for producing the same |
| 11/06/1984 | US4481312 Antistatic |
| 11/06/1984 | US4481243 Pattern treated tissue paper product |
| 10/30/1984 | CA1176893A1 Paper incorporating a partially embedded strip |
| 10/23/1984 | US4478681 Forgery-proof paper |
| 10/23/1984 | CA1176451A1 Intumescent sheet material containing low density fillers |
| 10/17/1984 | EP0122042A2 High density absorbent structures, method of their manufacture and absorbent products containing them |
| 10/16/1984 | US4477518 Coated papers and cardboards and process for their manufacture |
| 10/09/1984 | US4476382 Encoding scheme for articles |
| 10/09/1984 | CA1175611A1 Paper having mineral filler for use in the production of gypsum wallboard |
| 09/25/1984 | CA1175198A1 Polymeric compounds, processes and methods of use |
| 09/18/1984 | US4472627 Authenticating and anti-counterfeiting device for currency |
| 09/11/1984 | US4470877 Paper having calcium sulfate mineral filler for use in the production of gypsum wallboard |
| 08/28/1984 | US4468348 Paper, leather, nylon |
| 08/22/1984 | EP0116513A2 Water soluble triazine compounds |
| 08/21/1984 | US4466900 Process for the preparation of fluorescent brightener formulations which are stable on storage |
| 08/16/1984 | WO1984003093A1 Aluminum zirconium metallo-organic complex useful as coupling and hydrophobic agents |
| 08/07/1984 | US4463970 Data carrier |
| 08/07/1984 | CA1172004A1 Coloring of paper |
| 07/31/1984 | US4462867 Drainage of paper fibers onto support producing strip partially embedded and partially exposed |
| 07/31/1984 | US4462866 Sheet materials |
| 07/25/1984 | EP0114043A2 Dye mixtures and their use in the dyeing of paper |
| 07/18/1984 | EP0053124B1 Paper security with authenticity mark of luminescent material |
| 07/17/1984 | CA1170880A1 Sheet materials |
| 07/11/1984 | EP0113254A1 Antimicrobial non-woven fabric |
| 07/05/1984 | WO1984002447A1 Pesticidal sheets or containers |
| 07/03/1984 | CA1170254A1 Dyes containing imidazolylmethylene groups |
| 06/26/1984 | US4456724 Organic pigments |
| 06/19/1984 | CA1169420A1 Trisazo black dyes |
| 06/12/1984 | US4454005 Aaplying nitrate or chlorate oxidizing agent, heating, and pressurization |
| 06/05/1984 | US4452849 Phosphonic acid salts, their preparation and their use for fireproofing organic fibre material |
| 06/05/1984 | US4452843 Rare earth metal doped luminophore |
| 06/05/1984 | CA1255856B Production of paper and board |
| 06/05/1984 | CA1168793A1 Aqueous metal amine siliconate solutions and amorphous materials deriv ed therefrom, and methods of their use |
| 06/05/1984 | CA1168404A1 Production of paper and board |
| 05/29/1984 | US4451530 Security paper with authenticity features in the form of luminescing substances |
| 05/29/1984 | US4451521 Security paper with authenticity features in the form of substances luminescing only in the invisible region of the optical spectrum and process for testing the same |
| 05/29/1984 | US4451398 Dyes containing imidazolymethylene groups |
| 05/29/1984 | CA1168258A1 Fluorinated products for oilproofing and waterproofing of various substrates, particularly fiber substrates |