| Patent Number |
Title Of Patent |
Date Issued |
| RE32943 |
Process for cooking lignocellulosic material in the presence of hydroxyanthracenes and derivativ |
June 6, 1989 |
| An improved process for the production of pulp from lignocellulosic material characterized by the employment of a cooking aid is disclosed. The cooking of the lignocellulosic material is carried out in the presence of a small amount of a compound selected from the group consisting of |
| 4943552 |
Process for preparing a gas absorbent |
July 24, 1990 |
| A novel process for preparing a gas absorbent, comprising the steps of adding sodium bromate to a mixture of sulfuric acid aqueous solution and active carbon, reacting them, separating solids from the reaction mixture, and drying said solids. The gas absorbent can be utilized as a reagen |
| 4801074 |
Sealed letter |
January 31, 1989 |
| The invention relates to an envelope having a transparent layer, allowing printed information on the letter paper in the envelope to appear through the envelope. The inner surface of the transparent layer is laminated with a transparent, thermal adhering synthetic resin film to bind the |
| 4785374 |
Zinc-metallized base material for metallized capacitor and process for its production |
November 15, 1988 |
| A zinc-metallized base material for metallized capacitors and a process for its production in which a vacuum-deposited zinc layer being formed on at least one side of a base material composed of film or thin capacitor paper, and a surface protective layer composed of a substance which sh |
| 4753831 |
Cardboard container with anti-slip property |
June 28, 1988 |
| A cardboard container with anti-slip property is disclosed. It has a synthetic resin layer formed of thermoplastic synthetic resin fine hollow particles of 5 to 50 microns in diameter containing one or more of an inert gas, an active gas, a nonvolatile liquid and a volatile liquid co |
| 4746646 |
Printing paper for thermal transfer printing |
May 24, 1988 |
| A printing paper for thermal transfer printing comprising a substrate, and a dye acceptor layer formed on one surface of the substrate to accept a sublimable dye transferred from a dye carrier ribbon in contact with the dye acceptor layer upon selective heating of the dye carrier ribbon. |
| 4650621 |
Method of preparing heat exchange element |
March 17, 1987 |
| The present invention provides a method of preparing a heat exchange element comprising a molded product of a paper-like material made of ceramic fibers as a matrix, the interstices among the ceramic fibers being uniformly filled with molecular sieve particulates having an average pa |
| 4620827 |
Apparatus for supplying flat sheets such as pulp sheets |
November 4, 1986 |
| An apparatus is provided for supplying for a subsequent process step a desired number of flat sheets at one time from a pile of flat sheets such as pulp sheets or the like. The pile is put on a platform which is elevated step by step by a given amount corresponding to a desired number |
| 4595403 |
Heat exchange element |
June 17, 1986 |
| The present invention provides a heat exchange element comprising a molded product of a paper-like material made of ceramic fibers as a matrix, the interstices among the ceramic fibers being uniformly filled with molecular sieve particulates having an average particle diameter of 5.5.mu. |
| 4559103 |
Packaging paper and packaging material for packaging metallic material and method of producing t |
December 17, 1985 |
| Disclosed is a method of producing a packaging paper for packaging metallic materials, as well as a packaging material such as corrugated box produced from the packaging paper, the method comprising at least one of the steps of (i) pulping a material by a cooking liquor containing no sul |
| 4439485 |
Electric discharge recording materials |
March 27, 1984 |
| A discharge recording material produced by successively forming a colored layer comprising mainly carbonblack and a binder, a deposited metal layer and optionally a protective layer on a support is provided. In particular, the discharge recording material wherein said carbonblack being |
| 4400706 |
Discharge recording medium |
August 23, 1983 |
| A discharge recording medium having a colored insulating layer, a metal-vaporized layer and, as required, a protection layer formed in that order on a support member, wherein the colored insulating layer contains a graphite powder having particles of a specifically determined average siz |
| 4286017 |
Heat-sensitive recording paper |
August 25, 1981 |
| Disclosed is a heat-sensitive recording paper comprising a colorless or pale-colored chromogenic substance and a phenolic substance for coloring the chromogenic substance by heating, in which amorphous synthetic aluminum silicate and/or amorphous synthetic magnesium silicate is incor |
| 4225644 |
Low temperature heat-sealable bi-axially oriented polypropylene composite film and process for p |
September 30, 1980 |
| A novel type of low temperature heat-sealable bi-axially oriented polypropylene composite film and a process for the production thereof are disclosed. The composite film is characterized by having on at least one of the outer surfaces thereof a uni-axially or bi-axially oriented extr |
| 4181565 |
Process for cooking lignocellulosic material in the presence of hydroxyanthracenes and derivativ |
January 1, 1980 |
| An improved process for the production of pulp from lignocellulosic material characterized by the employment of a cooking aid is disclosed. The cooking of the lignocellulosic material is carried out in the presence of a small amount of a compound selected from the group consisting of |
| 4162188 |
Process for producing pulp |
July 24, 1979 |
| A novel process for producing pulp is disclosed, by which cooking of lignocellulosic materials can be carried out advantageously in the presence of a novel cooking aid added to the cooking liquor. Representative examples of such cooking aids include maleic acid, sodium maleate, potas |
| 4160059 |
Adsorptive nonwoven fabric comprising fused fibers, non-fused fibers and absorptive material and |
July 3, 1979 |
| A novel adsorptive nonwoven fabric having good strength as well as good permeability and softness and a method of making the same is disclosed. This product consists essentially of supporting fibers containing a heat-fusible fiber and an adsorptive material, said supporting fibers be |
| 4117193 |
Antistatic, low temperature heat sealable polypropylene composite film and process for productio |
September 26, 1978 |
| There is disclosed a novel composite film prepared by melt extrusion laminating a polymer blend composition comprising a low-crystalline resin of an ethylene-butene copolymer and a polyolefin resin having incorporated therein a lubricant and an anti-blocking agent onto a surface or surfa |
| 4114427 |
Apparatus for accurately measuring the freeness of paper stock flowing in a feed pipe |
September 19, 1978 |
| An apparatus for accurately measuring the freeness of paper stock in a short time is disclosed.The apparatus comprises a pump and plunger which take a sample of stock from a flowline or a place in which paper stock is prepared and places the sample in an agitation tank. A water supply di |
| 4089255 |
Method for making a bag-in-carton |
May 16, 1978 |
| A method is disclosed which makes a bag-in-carton by successively and intermittently advancing cartons, the upper ends of which are opened, and during the advancement successively supplying each of the cartons with a flattened bag, and subsequently blowing up the bag. A bag supplying |
