| Patent Number |
Title Of Patent |
Date Issued |
| H1127 |
Silver halide photographic material |
January 5, 1993 |
| A silver halide photographic material that contains a polymer including a repeating unit represented by the following general formula (I) and having a weight average molecular weight of no more than 30,000: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group; Z represents t |
| 6528756 |
Laser lap welding process of welding together overlapped plated steel sheets |
March 4, 2003 |
| Prior to welding together two overlapped plated steel sheets 4 and 5 by laser lap welding that irradiates parts of the plated steel sheets (4, 5) extending on a weld line (Lw), slits (4b) are formed intermittently in the upper plated steel sheet (4) with a laser beam (L). Subsequently, a |
| 5474963 |
Catalyst for dimerizing .alpha.-olefin monomer |
December 12, 1995 |
| A catalyst for dimerizing a lower .alpha.-olefin monomer with an enhanced selectivity comprises a carrier comprising at least one anhydrous potassium compound, preferably a mixture of potassium fluoride with potassium carbonate, and a carbon material; and a catalytic component carrie |
| 5437966 |
Silver halide color negative photographic light sensitive material |
August 1, 1995 |
| The present invention describes a silver halide color negative photographic light-sensitive material having an improved graininess and an excellent image quality even when picture-taken under various light sources each having a color temperature different from daylight. A silver halide c |
| 5389500 |
Method for forming color photographic images improved in color reproduction |
February 14, 1995 |
| Disclosed is a method for forming color photographic images which comprises printing of color images obtained by use of a color photographic light-sensitive material, having on a support, a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and |
| 5376508 |
Method for forming a silver halide color photographic image |
December 27, 1994 |
| Disclosed is a method for forming a silver halide color photographic image comprising:exposing a silver halide color photographic light-sensitive material for photographing which comprises a support and provided thereon at least one blue-sensitive silver halide emulsion layer (B layer), |
| 5332657 |
Silver halide color photographic light-sensitive material offering excellent color reproduction |
July 26, 1994 |
| A silver halide color photographic light-sensitive material is disclosed, which is excellent in color reproducibility and storability and has lowered color stain. The light-sensitive material comprises a support having thereon a silver halide emulsion layer comprising silver halide g |
| 5302500 |
Silver halide color photographic light-sensitive material offering excellent hue reproduction |
April 12, 1994 |
| A silver halide color light-sensitive material is disclosed, which-is improved in reproducibility of green color as well as orange color and sky blue color. The light-sensitive material comprises a support and a red-sensitive emulsion layer containing a cyan dye-forming coupler, a gr |
| 5252444 |
Silver halide color photographic light-sensitive material offering excellent hue reproduction |
October 12, 1993 |
| Disclosed is a silver halide color photographic light-sensitive material having at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on the support, wherein the |
| 5206126 |
Color photographic light-sensitive material offering excellent hue reproduction |
April 27, 1993 |
| A silver halide color photographic light-sensitive material is provided which comprises a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, having a spectral sensitivity |
| 5206124 |
Light-sensitive silver halide color photographic material |
April 27, 1993 |
| A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material is excellent in reproducibility of blue-green or green colored photographic subject. The light-sensitive material has a blue-sensitive layer, green-sensitive layer and a red-sensitive l |
| 5200308 |
Color photographic material |
April 6, 1993 |
| The improved color photographic material has on a support at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer, each of those emulsion layers having a specified spec |
| 5180657 |
Color photographic light-sensitive material offering excellent hue reproduction |
January 19, 1993 |
| A silver halide color photographic light-sensitive material which offers high chroma and excellent hue reproduction comprises a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion |
| 5156944 |
Light-sensitive silver halide color photographic material having cross-emulsion sensitive DIR co |
October 20, 1992 |
| There is disclosed a light-sensitive silver halide photographic material, having two or more light-sensitive silver halide emulsion layers different in color sensitivities on a support, at least one of the light-sensitive silver halide emulsion layer comprises monodispersed silver halide |
| 5141642 |
Aromatic polyimide double layered hollow filamentary membrane and process for producing same |
August 25, 1992 |
| An aromatic polyimide double layered hollow filamentary membrane having an excellent heat resistance, chemical resistance, pressure-resistance, and gas-permeating and separating properties comprises (A) an aromatic imide polymer hollow filamentary microporous inner layer and (B) an aroma |
| 4992357 |
Silver halide color photographic light-sensitive material |
February 12, 1991 |
| A silver halide color photographic light-sensitive material having an excellent adhesion resistance and capable of preventing deterioration of quality of processed images is disclosed. The light-sensitive material having a support and provided thereon, the photographic component layers |
| 4968594 |
Silver halide color photographic material |
November 6, 1990 |
| A negative-working silver halide color photographic material is disclosed which has at least one silver halide emulsion layer on a support, said material including a pyrazolotriazole-based magenta coupler and means for forming an unsharp positive image. |
| 4818670 |
Silver halide photographic light-sensitive materials containing compound capable of splitting of |
April 4, 1989 |
| A silver halide photographic material is disclosed, which has high image quality in addition to high sensitivity. The photographic material comprises a support and at least one silver halide light-sensitive emulsion layer containing a compound being capable of splitting off a diffusi |
| 4818667 |
Silver halide color photographic material |
April 4, 1989 |
| In a silver halide color photographic material which has red-, green- and blue-sensitive silver halide emulsion layers on a support, the improvement wherein the total thickness of the hydrophilic colloid layers is not more than 18 .mu.m on a dry basis and at least one silver halide emuls |
| 4777123 |
Light-sensitive silver halide color photographic material |
October 11, 1988 |
| Disclosed is a light-sensitive silver halide color photographic material comprising a light-sensitive multi-layer color photographic material having at least each one layer of blue-sensitive layer, green-sensitive layer and red-sensitive layer on a support, wherein;at least one blue-sens |
| 4766058 |
Silver halide photographic material with a specified silver density and dry thickness |
August 23, 1988 |
| A photographic material comprising at least one blue sensitive silver halide emulsion layer is disclosed. The silver density of the emulsion layer is not less than 4.0.times.10.sup.-1 g/cm.sup.3 and the dry thickness of the layer is not more than 4.0 .mu.m. A core/shell type silver h |
| 4746600 |
Light-sensitive silver halide color photographic material with non-diffusable light-insensitive |
May 24, 1988 |
| Disclosed is a light-sensitive silver halide color photographic material in which a DIR compound capable of releasing a diffusible development inhibitor or precursor thereof by the reaction with an oxidized form of a color developing agent is employed in combination with a non-diffusible |
| 4725529 |
Developing inhibitor arrangment in light-sensitive silver halide color photographic materials |
February 16, 1988 |
| There is disclosed a light-sensitive silver halide photographic material, having two or more light-sensitive silver halide emulsion layers different in color sensitivities on a support, at least two of the light-sensitive silver halide emulsion layers different in color sensitivities con |
| 4533621 |
Photographic element with imadazole dye mordant |
August 6, 1985 |
| Photographic element used in color diffusion transfer processes comprising an image receiving layer containing a polymer having monomer units represented by either Formula I or Formula II ##STR1## wherein A is a copolymerizable monomer unit having at least two ethylenically unsat |
| 4528004 |
Aromatic polyimide composite separating membrane |
July 9, 1985 |
| An aromatic polyimide composite membrane having a satisfactory gas-permeating property and an excellent gas-separating property comprises an aromatic polyimide porous membrane substrate and at least one coating layer which has been prepared (A) by coating at least one surface of the |
| 4512893 |
Porous aromatic imide polymer membrane and a process for its manufacture |
April 23, 1985 |
| A porous aromatic imide polymer membrane usable as a gas or liquid separator or concentrator is prepared by a process comprising the steps of:(1) dissolving 3 to 30% by weight of an aromatic imide polymer which comprises at least 80 molar % of a recurring unit selected from those of |
| 4486376 |
Process for modifying porous polymeric membrane |
December 4, 1984 |
| A modified polymeric membrane having an excellent separating property is produced by applying, to a porous polymeric membrane, a volatile treating liquid containing a modifying agent which consists of at least one member selected from:(A) volatile dissolving organic liquids each capable |
| 4485056 |
Production of aromatic polyimide separating membranes |
November 27, 1984 |
| An aromatic polyimide separating membrane is produced by a process comprising the steps of:forming a thin film of a dope solution containing an aromatic polyamic acid dissolved in a polar organic solvent at a temperature of approximately 100.degree. C. or less;coagulating the thin dope s |
| 4474858 |
Aromatic polyimide gas-separating membrane |
October 2, 1984 |
| An aromatic polyimide membrane having an excellent gas-separating property comprises (A) a substrate consisting of a porous membrane comprising at least one aromatic polyimide having at least 80 molar % of at least one type of recurring unit of the formula (I): ##STR1## wherein R |
| 4474662 |
Process for producing porous aromatic polyimide membranes |
October 2, 1984 |
| A porous membrane of an aromatic polyimide having an enhanced permeability of a gas or liquid is produced by a process comprising the steps of(1) preparing a dope solution of 3 to 30% by weight of an aromatic polyimide in a mixed solvent of (A) 100 parts by weight of a base solvent capab |
| 4460526 |
Process for producing aromatic polyimide hollow filaments |
July 17, 1984 |
| Aromatic polyimide hollow fibers having an enhanced mechanical strength are produced by a process comprising the steps of: preparing a spinning dope solution of at least one aromatic polyimide having 90 molar % or more of a recurring unit of the formula (I). ##STR1## wherein R is |
| 4440643 |
Process for producing aromatic polyimide composite separating membrane |
April 3, 1984 |
| An aromatic polyimide composite membrane having an excellent gas-separating property is produced by a process comprising the steps of: coating at least one surface of a substrate consisting of an aromatic polyimide porous membrane with a solution of 0.05% to 10% by weight of an aromatic |
| 4378400 |
Gas separating material |
March 29, 1983 |
| A gas separating material having excellent heat and chemical resistance, mechanical strength and gas-separating function, comprises a gas separating layer consisting of at least one dense film having a thickness of from 0.1 to 20 microns and comprising at least one aromatic imide pol |
| 4370290 |
Process for producing aromatic polyimide filaments |
January 25, 1983 |
| Aromatic polyimide fibers having an enhanced mechanical strength are produced by a process comprising the steps of: preparing a spinning dope solution of at least one aromatic polyimide having 90 molar % or more of a recurring unit of the formula (I): ##STR1## wherein R is a diva |
| 4327991 |
Transfer paper stripper |
May 4, 1982 |
| Sheet stripping apparatus for removing sheets from an imaging member having a light sensitive layer thereon and a band-like elastomeric layer carried by the imaging member adjacent one end thereof contiguous the light sensitive layer. A cam member is adapted for pressure engagement with |