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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7311886 | Container containing at least two solid materials, and use thereof This invention relates to a container having at least one inlet and/or outlet and containing at least two different solids arranged in layers as well as the use of said container for preparing a dialysate. In particular, a flexible bag is described, having three lay... | 12/25/2007 |
| 7309558 | Use of salt-like structured silicas as charge control agents The present invention relates to the use of salt-like structured silicates, in which the cation is NH4+, H3O+, an alkali metal, alkaline earth metal, earth metal or transition metal ion or a low molecular weight organic ca... | 12/18/2007 |
| 7186497 | Developer composition for lithographic printing plate A developer composition for a lithographic printing plate comprising on an aluminum plate support a photosensitive layer which comprises an ethylenically unsaturated monomer, a photopolymerization initiator and a polymeric binder is disclosed, wherein the developer ... | 03/06/2007 |
| 7135275 | Solid bleach-fixing composition for silver halide color photographic light-sensitive material, and method for processing silver halide color photographic light-sensitive material A solid bleach-fixing composition for a silver halide color photographic light-sensitive material, comprising at least one specific 5-membered heterocyclic azoliumthiolate compound, particularly, a solid bleach-fixing composition wherein the specific thiolate compou... | 11/14/2006 |
| 7122108 | Tin-silver electrolyte A tin-silver electrolyte and methods of depositing tin-silver alloys on a substrate. ... | 10/17/2006 |
| 6740478 | Method for processing silver halide light-sensitive photographic material A method for processing a silver halide photographic light-sensitive material which comprises a support, a silver halide emulsion layer provided on the support and a hydrophilic colloid layer adjacent to the silver halide emulsion layer, comprising a step of develop... | 05/25/2004 |
| 6541191 | Photographic processing solutions A photographic aqueous processing solution containing at least one solid compound that has a maximum solubility therein corresponding to a desired operating level, which solution is kept in equilibrium with the solid form of the compound, thus maintaining... | 04/01/2003 |
| 6524780 | Granulated solid processing agent for silver halide photographic material and producing method of the same A granulated solid processing agent for a silver halide photographic material which is a core/shell type spherical granule comprising an internal nucleus and layer structure of one or more layers coating the internal nucleus, and the critical relative hum... | 02/25/2003 |
| 6503696 | Calcium ion stable photographic color developing composition and method of use A color developing composition is stable in the presence of calcium ion because of the presence of a specific polyphosphonic acid sequestering agent. The composition also comprises a color developing agent in free base form and an antioxidant for the colo... | 01/07/2003 |
| 6416940 | Calcium ion stable photographic color developing composition and method of use A color developing composition is stable in the presence of calcium ion because of the presence of two specific types of polyphosphonic acid sequestering agents. The composition also comprises a color developing agent in free base form and an antioxidant ... | 07/09/2002 |
| 6406838 | Protective overcoat for an imaging element comprising an enzyme-treated biopolymer The present invention provides an overcoat for a photographic element that allows for appropriate diffusion of photographic processing solutions. The overcoat comprises 10 to 50% by weight of a enzyme-degradable biopolymer and 50 to 90% by weight of hydro... | 06/18/2002 |
| 6242167 | Developer for use with carbonless copy paper and photo imaging systems An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo-imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an ac... | 06/05/2001 |
| 6130029 | Stabilized phenylenediamine color developer compositions Disclosed is a method for the stabilization of dry N,N-dialkyl-p-phenylenediamine color developers and to the stabilized compositions thus obtained wherein the color developer which is susceptible to oxidative discoloration is intimately mixed with a ... | 10/10/2000 |
| 6110654 | Uniformly mixed dry photographic processing composition A powdered, uniformly mixed photographic processing composition is prepared with intense mixing of dry photoprocessing chemical components, and by forming uniformly sized agglomerates of the mixed powder. During agglomeration, a solution of a binder mater... | 08/29/2000 |
| 6093523 | Uniformly mixed dry photographic developing composition containing antioxidant A powdered, uniformly mixed photographic developing composition is prepared with intense mixing of dry photoprocessing chemical components, one of which is a photographic developing agent, and by forming uniformly sized agglomerates of the mixed powder. D... | 07/25/2000 |
| 6077653 | Photographic developing compositions and methods of using 1,4-cyclohexanediones as antioxidants Certain 1,4-cyclohexanediones are useful as antioxidants in photographic developing compositions. These compounds stabilize the compositions, are water soluble and are essentially odorless. These antioxidants can be used in either black and white or color... | 06/20/2000 |
| 6001546 | Manufacturing method for solid processing composition for processing silver halide light-sensitive photographic material A manufacturing method for a solid processing composition for processing a silver halide photographic light sensitive material, wherein the composition is manufactured by using a stirring granulation method, and at least part of said stirring granulation ... | 12/14/1999 |
| 5998112 | Developer for silver halide light sensitive photographic material and processing method by use thereof A photographic developer composition is disclosed, comprising a reductone, as a developing agent and a compound represented by the following formula (1). The reductone is a compound represented by following formula (A). The processing method by use of the... | 12/07/1999 |
| 5976774 | Solid processing composition for silver halide light sensitive photographic material and preparing method thereof A method for preparing a solid processing composition in the form of granules for a silver halide black-and-white photographic material is disclosed, comprising the steps of: (i) mixing powdery photographic processing chemicals, (ii) granulating a mixture of t... | 11/02/1999 |
| 5972582 | Uniformly mixed dry photographic processing composition using hot melt binder A powdered, uniformly-mixed photographic processing composition is prepared with intense mixing of dry photoprocessing chemical components, and by forming uniformly sized agglomerates of the mixed powder. During agglomeration, a hot melt binder polymer is... | 10/26/1999 |
| 5955247 | Method for processing silver halide photographic light-sensitive material A method for processing a black-and-white silver halide photographic light-sensitive material by a monobath processing method. The processing method comprises the steps of providing a solid composition which comprises a first part containing a developing ... | 09/21/1999 |
| 5935769 | Processing method for silver halide black and white photographic light sensitive material A method for processing a silver halide black-and-white photographic light sensitive material comprising a transparent polyester support having thereon hydrophilic colloid layers including a silver halide emulsion layer, by the use of an automatic process... | 08/10/1999 |
| 5900355 | Method of making uniformly mixed dry photographic processing composition using hot melt binder A powdered, uniformly-mixed photographic processing composition is prepared with intense mixing of dry photoprocessing chemical components, and by forming uniformly sized agglomerates of the mixed powder. During agglomeration, a hot melt binder polymer is... | 05/04/1999 |
| 5869225 | Processing method of silver halide photographic light sensitive material A method for processing a silver halide photographic light sensitive material, using an automatic processor, the method comprising the steps of developing an exposed silver halide photographic light sensitive material with developer containing a compound ... | 02/09/1999 |
| 5866310 | Solid photographic processing composition for developing a silver halide photographic light-sensitive material Disclosed is a solid photographic processing composition for developing a silver halide photographic light-sensitive material comprising a ferric complex of an aminopolycarboxylic acid and a sugar alcohol compound.... | 02/02/1999 |
| 5851742 | Solid processing composition and method for processing silver halide photographic light-sensitive material A solid processing composition and method for processing a silver halide photographic light sensitive material is disclosed in which the solid processing composition has a sodium cation content of 60 mol % or more based on the total metal cation content, ... | 12/22/1998 |
| 5834171 | Solid processing composition for silver halide photographic light sensitive material A solid processing composition for developing a silver halide black-and-white photographic light sensitive material containing a compound represented by the following formula as a developing agent, in which a metabisulfite, or the metabisulfite and a sulf... | 11/10/1998 |
| 5804358 | Developing composition for silver halide photographic light sensitive material A solid developing composition for a silver halide black-and-white photographic light sensitive material is disclosed, comprising a developing agent selected from the group consisting of a dihydroxybenzene compound and a compound represented by formula (A... | 09/08/1998 |
| 5798204 | Development processing method of ultrahigh-contrast black-and-white silver halide photographic material A development processing method is described, which includes the steps of (a) exposing an ultrahigh-contrast silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and (b) developi... | 08/25/1998 |
| 5780211 | Processing composition in the tablet form for silver halide photographic light-sensitive material Disclosed is a photographic processing composition in the tablet form which comprises a first and a second ingredients, said composition being prepared by a first granulating a first powder comprising said first ingredient to form first granules, a second... | 07/14/1998 |
| 5766830 | Photographic processing method for processing a silver halide photographic light-sensitive material A method for processing an exposed black and white silver halide photographic light-sensitive material includes the steps of: (1) developing the exposed light-sensitive material with a developing solution, (2) fixing the developed material with a fixing s... | 06/16/1998 |
| 5766832 | Solid developer-replenishing composition for processing silver halide photographic light sensitive material A solid processing composition in the form of granules or a tablet for use as a replenisher of a developer for processing a silver halide black-and-white photographic light sensitive material is disclosed, wherein the solid processing composition is subst... | 06/16/1998 |
| 5763149 | Kit of parts for making an alkaline processing liquid for processing a lithographic printing plate The present invention provides a kit of parts for preparing an alkaline processing liquid for use in preparing a lithographic printing plate according to the silver salt diffusion transfer process, and comprising all necessary active compounds for prepari... | 06/09/1998 |
| 5756271 | Weakly alkaline ascorbic acid developing composition, processing kit and method using same A black-and-white developing composition includes as ascorbic acid developing agent, an auxiliary super-additive developing agent, borate buffer and a preservative. The composition pH is from 7 but less than 9. The composition can be formulated from two s... | 05/26/1998 |
| 5747229 | Solid developing composition for processing silver halide photographic light-sensitive material and processing method employing the same A solid developing composition for processing a silver halide photographic light sensitive material is disclosed which contains a compound represented by the following formula (1) and a compound represented by the following formula (2): formula (1) #... | 05/05/1998 |
| 5744289 | Solid processing agent packaging body for silver halide photographic material and processing agent supplying method A solid processing agent packaging body comprises (1) a moisture proof bag; (2) an internal plate member including an approximately rectangular-shaped base plate and three side plates provided on three sides of the base plate and bent in the same directio... | 04/28/1998 |
| 5741631 | Photographic dye image-forming process A process for the formation of a dye image by a redox amplification process in an imagewise exposed photographic color material having at least one silver halide layer and associated therewith a dye image-forming color coupler, comprises treating the mate... | 04/21/1998 |
| 5707790 | Developing composition for silver halide photographic light-sensitive material A developing composition for a silver halide black-and-white photographic light sensitive material is disclosed, comprising a compound represented by formula (1) and a compound represented by formula (2) or (3): ##STR1##... | 01/13/1998 |
| 5702875 | Weakly alkaline ascorbic acid developing composition, processing kit and method using same A black-and-white developing composition includes as ascorbic acid developing agent, an auxiliary super-additive developing agent, borate buffer and a preservative. The composition pH is from 7 but less than 9. The composition can be formulated from two s... | 12/30/1997 |
| 5691108 | Method for developing silver halide photographic light-sensitive material A process for developing a silver halide photographic light-sensitive material is disclosed, comprising processing, after exposure, a silver halide photographic light-sensitive material which comprises a support having thereon at least one light-sensitive... | 11/25/1997 |
