...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6797329 | Antifoulant dispersant and method Disclosed is a dispersant that can be used to prevent compressors fouling. The dispersant is particularly useful in applications such as the prevention of fouling of compressor blades in compressors used for ethylene production. The dispersant is an admixture of the... | 09/28/2004 |
| 5883232 | Hydrophobic cationic dyes and thermal transfer ink ribbons using the same Disclosed are diazahemicyanine hydrophobic cationic dyes represented by the formula (1): ##STR1## wherein R1, R2, R3 and R4 are lower alkyl groups having not more than 5 carbon atoms, R5 is a low... | 03/16/1999 |
| 5844058 | Organosiloxane-grafted natural polymer coatings A new family of polysaccharide graft polymers are provided as corrosion resistant coatings having antimicrobial properties which are useful on light metals such as aluminum, magnesium, zinc, steel and their alloys. Methods of making the polysaccharide gra... | 12/01/1998 |
| 5747566 | Water-insoluble azo colorants based on aminoquinazolinediones Compound of the general formula (I) ##STR1## in which X is an O or S atom or an imino group, Y is an O atom or an imino group, R1 and R2 are a hydrogen atom, C1 -C4 -alkyl, an unsubstituted phenyl group or a sub... | 05/05/1998 |
| 5709812 | Deicing composition and method Disclosed is a new and improved, environmentally acceptable and negligibly corrosive deicing composition comprising by-products from the production of cheese from various milks. The active ingredients of the present invention are the liquids that remain a... | 01/20/1998 |
| 5637136 | Triboelectric coating powder and process An electrical chargeable dielectric coating powder and a triboelectric coating process for applying the powder to substrates are described. The coating powder is a mass of finely divided, heat fusible dielectric plastic material having an average particle... | 06/10/1997 |
| 5567470 | Heat-sensitive transfer sheet containing blue dyestuff A blue dyestuff represented by the formula (2) ##STR1## wherein each of R1, R2 and R3 is independently a hydrogen atom, halogen atom, nitro group, hydroxy group, alkyl group which may have a substituent, alkoxy group,... | 10/22/1996 |
| 5357039 | New paint binders Poly-N-acylalkyleneimines corresponding to the following formula ##STR1## are used as an oxidatively crosslinking constituent in paints. In formula (I), R--CO represents the acyl radical of a mono- or polyunsaturated, aliphatic C16-22 carb... | 10/18/1994 |
| 5273824 | Cored multi-shell emulsion particle A cored multi-shell emulsion particle consisting of a core particle, a void layer existing in the exterior of the core particle and a shell layer, each of which has a diameter of $c;, d and D, respectively, and the ratio of $c;, d and D is in the fo... | 12/28/1993 |
| 5233020 | Paint binders Poly-N-acylalkyleneimines corresponding to the following formula ##STR1## are used as an oxidatively crosslinking constituent in paints. In formula (I), R--CO represents the acyl radical of a mono- or polyunsaturated, aliphatic C16-22 carb... | 08/03/1993 |
| 5188765 | Flow agent-dispersant composition Flow agent-dispersant composition for ink systems and the like comprising montan wax having from 3 to 10% of lecithin uniformly dispersed therein and a process for forming the same.... | 02/23/1993 |
| 5165915 | Spherical clay mineral powder, process for production thereof and composition containing the same A spherical clay mineral powder or spherical composite powder comprising water-swellable clay mineral with specific surface are of 100 m2 /g or more is provided, and the composite powder can contain an organic, inorganic or metal powder, an org... | 11/24/1992 |
| 5106415 | Protective coating composition and method of producing same A protective coating composition for metal articles comprising a flowable mixture of finely divided wax particles having a melting point in the range of 120° to 350° F. in a liquid oil. The composition can also contain finely divided particles of an ine... | 04/21/1992 |
| 5017226 | Ink and method for the development of concealed images Disclosed is a system for developing latent images on alkali-based or acid-based paper stock which has been marked with a water-soluble oxidizing agent to form a concealed image. In the system, a marking composition is applied to said paper stock which co... | 05/21/1991 |
| 4964910 | Transfer fluid for spirit duplicating systems A transfer fluid for spirit fluid type duplicating systems is disclosed which comprises, generally a polyhydric alcohol, 20 to 90% by weight; and water, 10 to 80% by weight. For certain machines, a wetting agent 0 to 2% by weight, can be used with an adju... | 10/23/1990 |
| 4798627 | Dampening agent for offset printing Dampening agents or dampening agent concentrates for offset printing are disclosed which contain copper ions as corrosion inhibitors. Such dampening agents exhibit virtually no corrosive action on the offset printing machine parts with which they come int... | 01/17/1989 |
| 4778616 | Scratch corrector for lithographic printing plates A composition for correcting scratches on the non-image areas of a metal based lithographic printing plate which contains trisodium phosphate, sodium metasilicate, an anionic surfactant and water.... | 10/18/1988 |
| 4719172 | Desensitizing gum for lithograhic printing plates A desensitizing gum comprising an aqueous solution containing at least one of film-forming starches modified with phosphoric acid or its derivatives. The desensitizing gum has good desensitizing ability and can easily be removed from a printing plate fini... | 01/12/1988 |
| 4661393 | Ink compositions and ink sheets for use in heat transfer recording An improved ink composition is disclosed which comprises, in addition to a solvent dye, one or more low-melting compounds, containing hydroxyl and/or ethylene oxide, and inorganic or organic fine particles. An ink sheet comprising such ink composition is ... | 04/28/1987 |
| 4640714 | Alcohol-based flexographic ink for use in backcarbon papers When a transferred image is formed on a plain paper by the use of a colorless backcarbon paper coated with an alcohol-based flexographic ink composed essentially of (A) microcapsules whose core substance is an oil droplet containing an electron-donating o... | 02/03/1987 |
| 4536219 | Thermographic recording compositions The invention relates to novel thermographic recording compositions. Novel color developers for thermographic compositions consist of the compounds of the formula: ##STR1## The invention is useful for recording supports for data generally, for e... | 08/20/1985 |
| 4523956 | Transfer coating methods, compositions and products Coating methods and compositions for products and transfer media, such as carbon papers, in which the major constituent is a filler such as clay, titanium dioxide, calcium carbonate, or the like. The filler replaces a substantial amount of, and extends, t... | 06/18/1985 |
| 4482378 | Color developers and thermographic record compositions containing them The present invention relates to thermographic record compositions and to novel color developers for thermographic compositions consisting of: the compounds of formula: ##STR1## in which R represents: H, alkyl, NO2, halogen, aryl, NH2 | 11/13/1984 |
| 4461496 | Soap having improved carbonless imaging properties Soap composition having improved imaging properties. The composition comprises (1) at least one metal cation which produces an image when reacted with by a dye precursor which is a derivative of dithiooxamide, (2) at least one rosin soap, and (3) at least... | 07/24/1984 |
| 4400481 | Finisher and preserver for lithographic plates Finisher and preserver compositions are provided for desensitizing the non-image areas and protecting the image areas of lithographic plates of either the additive or the subtractive type that utilize substantially any type of exposure chemistry, the comp... | 08/23/1983 |
| 4399243 | Cleaner and scratch remover composition A composition is provided which cleans, conditions, removes scratches, and finishes lithographic plates, the composition being an emulsion of an aqueous phase in an oil phase, the oil phase including a highly penetrating solvent such as mineral spirits, a... | 08/16/1983 |
| 4379835 | Black image from a thermographic imaging system A thermographic imaging system comprising a single layer and capable of providing a stable dark to black image upon localized heating is disclosed. The single layer comprises a polymeric binder, a combination of at least two leuco dyes, and a nitrate salt... | 04/12/1983 |
| 4363664 | Novel compositions and processes Stable, concentrated, free-flowing aqueous dispersion compositions containing one or more colorless dyestuff precursors and one or more surface active agents, are useful in the manufacture of paper for pressure sensitive carbonless duplicating manifold sy... | 12/14/1982 |
| 4352901 | Opaque jet ink compositions The present invention relates to non-pigmented jet ink compositions and to a method of producing opaque coded messages therewith. The compositions comprise, on a weight basis, between 2 and 15% of a gellable cellulose ester having a hydroxyl content of fr... | 10/05/1982 |
| 4321870 | Controlling ink diffusion in watercolor copying A method for limiting the diffusion of ink through a planographic plate comprising a polymetric matrix containing liquid, as for example an agar matrix, is described. Incorporated in the matrix is a diffusion inhibitor which has a binding affinity for the... | 03/30/1982 |
| 4309213 | Process of encapsulation by interfacial polycondensation The process for the encapsulation of a liquid hydrophobic substance involves, in a first stage, dispersing an organic phase containing the liquid hydrophobic substance to be encapsulated and at least one polyfunctional hydrophobic monomer having functiona... | 01/05/1982 |
| 4306996 | Electroconductive polymer composition An electroconductive polymer composition containing an electroconductive polymer and an agent that imparts improved tack properties to paper coated with the composition.... | 12/22/1981 |
| 4275905 | Pressure-sensitive record material A substantially colorless marking liquid, particularly for use in pressure-sensitive record material, comprising (a) a colorless chromogenic material, (b) a solvent for said chromogenic material and (c) an additive for controlling CB decline. The additive... | 06/30/1981 |
| 4262937 | Carbonless imaging system Carbonless imaging system containing transfer control agent to prevent undesirable back-transfer of image to transfer medium. The transfer control agent is selected from oxalic acid, phosphoric acid, or mixtures thereof. Transfer media and business forms ... | 04/21/1981 |
| 4253999 | Agent for protecting the surface of lithographic printing plate comprising a plasticizer containing oil phase and a surfactant and a hydrophilic high molecular weight compound containing aqueous phase An agent for protecting the surface of a lithographic printing plate which is an emulsion comprising an oil phase containing a plasticizer having a solidifying point of 15° C. or less and a surfactant, and an aqueous phase having dissolved therein a hydr... | 03/03/1981 |
| 4244604 | Image-offsetting A composition capable of reducing image-offset when used in combination with color-forming compounds which are capable of forming colored images with color-developing coreactants. The composition comprises an aliphatic tertiary amine image-offset control ... | 01/13/1981 |
| 4242137 | Image transfer composition A novel composition of matter for use as image transfer medium in the form of a viscous or semi-viscous solution. The composition basically consists of water, a thixotropic agent (hydroxyethyl cellulose) and a water-soluble glycol (1,3-butylene glycol) an... | 12/30/1980 |
| 4240926 | Sterilization indicator A novel composition is disclosed which is useful as a sterilization indicator that can distinguish clearly between the types of sterilization employed, e.g., that indicates whether sterilization was accomplished by steam or dry heat. The novel composition... | 12/23/1980 |
| 4235458 | Process for the production of hot melt coating compositions containing microcapsules This invention relates to a process for the production of a hot melt coating composition containing microcapsules. The process comprises the steps of preparing a dispersion of substantially discrete microcapsules in a volatile solvent continuous phase. A ... | 11/25/1980 |
| 4230495 | Process for producing a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder A process is provided for producing a coating composition containing microcapsules having a hydrophilic core material for use in the manufacture of pressure-sensitive carbonless transfer papers comprising the following steps of preparing a hydrophobic emu... | 10/28/1980 |