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| Number | Title | Issue Date |
| 4186242 | Preparation of a lignocellulosic composite A process for the preparation of lignocellulosic composite using urea-formaldehyde adhesive is described characterized by treating the lignocellulosic constituents with ammonium-base lignosulfonate prior to pressing to decrease the emission of formaldehyd... | 01/29/1980 |
| 4183997 | Bonding of solid lignocellulosic material Solid lignocellulosic material is bonded together by heating and pressing at a natural wood, pH by reacting sugars, starches or both in the presence of a catalyst capable of catalyzing transformation of the sugars and starches into a solid, insoluble in w... | 01/15/1980 |
| 4181767 | Plaster board panels Plaster board panels wherein at least the top layer of one of the two cardboard sheets contains polyolefin fibrides can be easily dehydrated during their manufacture because of the porosity of the cardboard sheets. The finished panels have a substantially... | 01/01/1980 |
| 4181771 | Thermally responsive record material A thermally sensitive record material having a very low abrasive surface comprising a substrate coated with a colorless chromogenic material and a phenolic co-reactant in a binder and including a cross-linked urea-formaldehyde resin pigment as a component... | 01/01/1980 |
| 4180621 | Pressure-sensitive duplicating stencil Pressure-sensitive duplicating stencils comprise an impregnated sheet of stencil tissue strippably attached by a laminating coating to a backing sheet, which is removed during use of the imaged stencil.... | 12/25/1979 |
| 4166644 | Pressure-sensitive record material containing urea-formaldehyde resin pigment Improved print speed and image intensity are obtained in a pressure-sensitive record sheet material by incorporating a cross-linked urea-formaldehyde agglomerated resin pigment in the coated surface of the acid-reacting sheet. A typical formulation of the... | 09/04/1979 |
| 4166809 | Cellulose propionate n-butyrate and coating compositions containing same Cellulose propionate n-butyrate adapted to be mixed with an oil-modified alkyd resin to form a coating composition. The cellulose propionate n-butyrate has unique properties as an ingredient in such coating composition. The cellulose ester has a n-butyryl... | 09/04/1979 |
| 4165409 | Method of fabricating wood composite panels having enhanced fire retardancy What is disclosed is a method of fabricating wood composite panels having enhanced fire retardancy. The panels so fabricated have hard, durable finished surfaces which allow machine finishing without the concurrent loss in fire retardancy due to the finis... | 08/21/1979 |
| 4158712 | Composition board with improved polymeric skin A composition board which comprises a thin nonfrangible sheet material suitable for use as a surface covering, which material comprises: a fibrous sheet material impregnated with a cured thermosetting resin and characterized by one surface which is a nonp... | 06/19/1979 |
| 4158713 | Composition board with improved polymeric skin and method of preparing same A flexible, integrally bonded sheet material suitable for use as a face surface covering on a composition board, which sheet material comprises: first and second fibrous sheet materials bonded together by a cured thermosetting resin, the first sheet and a... | 06/19/1979 |
| 4146662 | Warp and weather resistant solid core wood door and method of making A specially constructed solid core door is disclosed having a solid core material of particleboard or other suitable material, wood stiles bonded around the periphery of the edges of the core material, a hardwood skin having a minimum thickness of 1/8 inc... | 03/27/1979 |
| 4146669 | Crosslinking agent, method of producing same and paper made with the use thereof A characteristic feature of the present invention is that the crosslinking agent comprises grains, each grain having a nucleus consisting of a substance inert to the substance forming crosslinks with hydroxyl-containing water-soluble polymers, and an exte... | 03/27/1979 |
| 4136722 | Method of making impact delivery in striking members from compressed wood veneers For added strength and efficiency, the handles of impact or striking implements are weighted near their striking ends by the addition thereto of carefully pre-weighed veneers or by providing in a solid handle blank a head portion of increased thickness pr... | 01/30/1979 |
| 4131695 | Azo color former containing heat-sensitive recording material A heat-sensitive recording material which contains as color former at least one azo compound of the formula ##STR1## WHEREIN D represents a phenyl radical which is unsubstituted or substituted by halogen, alkyl, alkoxy, aryloxy, alkoxycarbonyl, ... | 12/26/1978 |
| 4123581 | Self-adhering stencil A self-adhering stencil in which a heat sensitive bonding resin is disposed as a coating on the uncoated tissue or incorporated in the stencil layer or disposed as a coating on either or both sides of the stencil layer.... | 10/31/1978 |
| 4123593 | Paper for serving cable cores This invention relates to a paper for serving cable cores for the purpose of providing a swellable layer, comprising a paper base having a layer thereon of cellulose ether granules or of starch phosphate granules or of a mixture of both kinds of granules.... | 10/31/1978 |
| 4122236 | Artificial board of lumber and method for manufacturing same An elongated board of artificial lumber having a length greater than the width and thickness comprising a mixture of irregularly shaped elongated splinters of wood substantially aligned along the length of the board; a substantial portion of the mixture i... | 10/24/1978 |
| 4112160 | Solid adherend substrates bonded with rubber cement compositions Rubber cement compositions which consist of rubbers and multi- (three and more) functional phenol-aldehyde modified bifunctional phenol resins, which are made by first obtaining the bifunctional phenolic resin by condensing 1 mole of bifunctional phenol w... | 09/05/1978 |
| 4111730 | Producing recycle composition paper flake board A method of producing dry-process composition paper board from waste paper. Waste paper is particulated into flakes and the like fragments, conditioned for moisture content, and blended with an adhesive such as a synthetic thermosetting resin prior to for... | 09/05/1978 |
| 4110507 | Branded plasterboard product A decoratively branded plasterboard product having a pattern of recesses formed in the paper-like outer surface of the plasterboard is disclosed. The recesses are charred to discolor the same, and the pattern is preferably a wood grain simulating pattern.... | 08/29/1978 |
| 4109056 | Starch/latex cast coatings for paper A non-proteinaceous binder is provided for cast coating of paper which comprises three primary components: a modified starch; a styrene-butadiene latex characterized by a particle size of about 800 to about 1300 angstroms, a solids content of between abou... | 08/22/1978 |
| 4109040 | Cushioning dunnage product produced from cushioning dunnage mechanism A cushioning dunnage product produceable from a mechanism which is of relatively compact nature utilizing a roll of sheet-like stock material, such as paper. As the stock is pulled off the roll, the edges are rolled inwardly in a longitudinally convergent... | 08/22/1978 |
| 4107379 | Bonding of solid lignocellulosic material Solid lignocellulosic material is bonded together by heating and pressing with a bonding composition comprising at least one carbohydrate and an acid capable of catalysing hydrolysis of the carbohydrate, for example to make plywood or particle board.... | 08/15/1978 |
| 4106948 | Aqueous compositions Aqueous compositions obtained by mixing together water, hydroxyethyl cellulose and an organosilicon compound RSi(OR')3, wherein R represents methyl, ethyl or vinyl and each R' represents methyl, ethyl or methoxyethoxy. The compositions are usef... | 08/15/1978 |
| 4105225 | Autographic register systems A transfer sheet of a transfer sheet assembly for use in an Autographic Register System has a coating which embodies a colorless color former. The coating is porous and the colorless color former is retained in the pores of the coating until autographic w... | 08/08/1978 |
| 4105824 | Starch-dextrine-polyacrylamide adhesive and tape Adhesive composition comprising starch, dextrine and a polyacrylamide. The composition is carried by water; but, when the composition is applied to a substrate, the water is evaporated to produce a water activatable adhesive. Thus, the composition is suit... | 08/08/1978 |
| 4104429 | Branded wood based composition board product A wood based composition board product, either hardboard, particleboard or fiberboard, having an intricate pattern of recesses formed in the relatively hard outer surface of the product is disclosed. The recesses are charred to discolor the same, and the ... | 08/01/1978 |
| 4101359 | Composite material for use in covering walls, and a method of manufacturing same A highly absorbent and fragile composite sheet normally used as a throwaway domestic wiper is quickly and easily converted to a strong and attractive colored wallcovering. Thus, a composite layer comprising a net material sandwiched between and bonded to ... | 07/18/1978 |
| 4100340 | Copolymers containing perfluoroalkyl groups Copolymers of (A) perfluoroalkylethyl acrylate Cn F2n+1 CH2 CH2 OCOCH.dbd.CH2 (b) higher alkyl acrylate Cm H2m+1 OCOCH.dbd.CH2 (c) vinylidene chloride CH2 .dbd.CCl | 07/11/1978 |
| 4097648 | Laminated structural member and method of making same A laminated structural member is fabricated with one layer of sheet material such as plywood or fiberboard and an adjacent layer bonded thereto and formed from a mixture of scrap particles of thermoplastic wire and cable insulation, wood particles, commin... | 06/27/1978 |
| 4089646 | Paper coating dyes A paper coating dye composition wherein synthetic binding agents partially or totally replace casein and also containing a water retention agent, is described.... | 05/16/1978 |
| 4082886 | Liquid absorbent fibrous material and method of making the same The invention of the present application comprises a high loft, low density, nonwoven fibrous material and method of making the same. The material has good wet strength, softness, abrasion resistance, and liquid absorbency and retention, and is formed of ... | 04/04/1978 |
| 4081582 | Fibrous material and method of making the same A high loft, low density, nonwoven fibrous material is provided comprising two layers of irregularly arranged, intersecting, overlapping, mechanically interengaged, loosely assembled fibers, one of the layers including thermoplastic synthetic wood pulp fi... | 03/28/1978 |
| 4074015 | Process for the production of nonflammable laminated materials A process for producing nonflammable laminated materials which includes the steps of impregnating a cellulose-containing material with an impregnating solution containing a phenolic-resol resin solution, at least one plasticizer for the resin and optional... | 02/14/1978 |
| 4069276 | Low-pressure, no-cool phenolic type resin for decorative laminates Phenolic resins employed in the manufacture of high-pressure decorative laminates are modified by the addition of a partially etherified melamine-formaldehyde resin which is the reaction product of melamine, formaldehyde, an aliphatic polyol and furfural.... | 01/17/1978 |
| 4063003 | Product and process for producing fire retardant cellulosic materials A cellulosic substrate is rendered fire resistant through application thereto of an alcohol deactivated solution of chlorosulfonic acid and digested plant material.... | 12/13/1977 |
| 4061468 | Stable test strips having a water-soluble paper layer and methods for making same Stable test strips for the detection of components in liquids, for example blood, ketone bodies and nitrates in urine, includes two indicator layers one of which is a water-soluble paper.... | 12/06/1977 |
| 4061823 | Highly machinable cotton-phenolic base for decorative assemblies A highly machinable, shapeable decorative laminate is made from a non-abrasive base core consisting of a plurality of sheets, each sheet consisting essentially of cotton linter fibers in paper form containing a curd phenolic resin, the core having superim... | 12/06/1977 |
| 4057674 | Process for preparing dry, laminating impregnated papers or cloths, and process for producing decorative plates using the same In preparing a dry, laminating impregnated paper or cloth by impregnating a paper or cloth with a resin solution containing a polymerization catalyst, a cross-linking monomer and, if necessary, a releasing agent, followed by drying, the use as the resin o... | 11/08/1977 |
| 4054718 | Heat-sensitive recording material containing a malachite green color former A heat-sensitive recording material which contains as color former at least one compound of the general formula ##STR1## wherein R1 and R2, which can be the same or different, represent hydrogen, alkyl of at most 12 carbon atoms... | 10/18/1977 |
