Class 208/20 - Waxes

Subclass of Class 208 - Mineral oils: processes and products
Definition: Products and compositions which include paraffin wax.
No. of patents: 25
Last issue date: 03/30/2010

Number	Title	Issue Date
7686939	Crystalline wax Embodiments include a fractionated and/or distilled wax having from about 30 to about 64 carbon units, a degree of crystallinity as calculated by heat of melting and as measured by DSC of from about 55 to about 100, a Mw is from about 500 to about 800, and a polydis...	03/30/2010
7662272	Crystalline wax Embodiments include a distilled wax having a crystallinity of from about 55 to about 100 percent, wherein the degree of crystallinity is calculated using the following formulas: [Heat of enthalpy (Hm) J/g/294 J/g]×100=degree of crystallinity (Xc); [Heat of recrysta...	02/16/2010
7622031	Method for preparing oxidized polyolefin waxes A method for producing an oxidized wax comprising (a) providing a uniform high molecular weight polyolefin resin feedstock having an average particle size smaller than about 30 mesh and a standard deviation in particle size of not greater than about 125 μm; and (b)...	11/24/2009
7037955	Additives and methods for reducing odor Additives and methods for reducing or eliminating odor in oil based media. The additives comprise an essential oil, an essential oil component, or mixtures thereof. ...	05/02/2006
6713438	High performance engine oil High performance engine oils and other liquid lubricants comprise a liquid lubricant basestock of low viscosity from 1.5 to 12 cSt (100C) with two dissolved polymer components of differing molecular weights. The basestock is preferably a single PAO or blend of PAOs ...	03/30/2004
6695965	Process for adjusting the hardness of Fischer-Tropsch wax by blending A wax blending process is disclosed which retains the desirable properties of a Fischer-Tropsch wax, while adjusting the hardness of the wax to within to a desired range. The invention utilizes a synergistic effect between hard virgin Fischer-Tropsch wax ...	02/24/2004
6676827	Lube basestock with excellent low temperature properties and a method for making A method for producing a lube basestock from a waxy feed is disclosed in which a feed containing to 50 wt % or more of wax is hydrotreated and stripped to lower the nitrogen and sulfur content of the feed. The feed is then hydroisomerized under conditions...	01/13/2004
6569235	Grout compositions for construction of subterranean barriers A method is disclosed for constructing, verifying, and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a block of soil containing the contaminates from the surroundin...	05/27/2003
6133490	Dispersant for pigments for aromatic polymers A dispersant for pigments for aromatic polymers, which is superior not only in the ability of dispersing pigments in aromatic polymers but also in attaining high transparency and stability of the resulting color, while avoiding grafting step and attaining...	10/17/2000
6059955	Low viscosity lube basestock The present invention is directed to an easily biodegradable low viscosity, low Noack volatility lube oil material having a viscosity index (VI) in the range of about 110-145, >98% saturates useful as lube oil basestock, automatic transmission fluid (ATF)...	05/09/2000
5904834	Synthetic wax for food applications The present invention relates to the use of wax for food applications, which wax has a congealing point of more than 65° C. and a Saybolt color of more than +25, which wax is obtainable by subjecting a wax prepared in a Fischer-Tropsch synthesis process ...	05/18/1999
5817897	Wax-like substance for use as a durable marking composition or in producing shaped articles for molding A wax-like substance mainly consisting of a saturated chain hydrocarbon, in which a weight ratio (C/H) of carbon and hydrogen is 5.839-6.018, a total weight % of the carbon and the hydrogen is 98.5%-100%, a number-average molecular weight (Mn) is 3.0×10	10/06/1998
5695553	Wax-based emulsions and their use in gypsum products A composition suitable for use in making water-resistant gypsum products is provided. The composition is an aqueous emulsion comprising water, a paraffinic hydrocarbon wax, a Montan wax, an alkali metal or ammonium hydroxide in an amount sufficient to at ...	12/09/1997
5599660	Method and preparation for sequential delivery of wax-embedded, inactivated biological and chemical reagents A method and preparation for the storage and delivery of purified reagents is disclosed. In one aspect, the preparation comprises an amount of a first wax carrier, the first wax carrier having a first melting point, and an amount of a first reagent, where...	02/04/1997
5576197	Polymerase chain reaction container and methods of using the same The invention describes a polymerase chain reaction container and methods of using the same that greatly simplify and improve the polymerase chain reaction. Specifically, the invention describes a PCR container comprising a container suitable for PCR with...	11/19/1996
5437722	Water-resistant gypsum compositions and emulsion for making same The water resistance of gypsum compositions, such as those used in gypsum wallboard, is improved by incorporating in the compositions an aqueous emulsion containing a paraffinic hydrocarbon having a melting point of 40° to 80° C., montan wax and polyvin...	08/01/1995
5374190	Wax craft product and method of manufacturing A wax craft product which comprises a bendable extruded rod of wax having a textured surface is provided. The textured surface enables the rod of wax to adhere to itself and to other surfaces when the rod of wax is pressed into contact with itself and oth...	12/20/1994
5296129	Paraffin wax compositions and rubber compositions into which paraffin wax compositions are incorporated A paraffin wax composition comprises straight-chain saturated hydrocarbons, wherein the content of each of the straight-chain hydrocarbons having the number of carbons being 22 to 44, respectively, is not less than 2% by weight relative to the entire stra...	03/22/1994
5223122	Producing method of fractionated wax products having different molecular weights from solid wax A producing method of fractionated wax products characterized in that it comprises the steps of preparing as a raw material, solid wax, more particularly, low molecular weight polyolefine wax which is a byproduct when manufacturing polyolefine polymer and...	06/29/1993
4877456	Antioxidant wax for rubber The present invention relates to an antioxidant was for rubber having a capacity to prevent the rubber from aging over a whole range from lower to higher temperatures and also providing excellent appearance and quality for the rubber products....	10/31/1989
4855098	Method of forming candles and candle composition therefor A candle composition consisting essentially of about 10 to 90 volume percent of a first paraffin wax with a melting point of 120° to 125° F. and having a maximum of 2 percent oil, about 10 to 90 volume percent of the second paraffin wax with a melting p...	08/08/1989
4639255	Solid form additives and method of forming same Engine deposits are controlled by dispensing an additive to fuel. In one aspect, the additive comprises paraffins. In another aspect, a solid form additive for dispensing fuel additive to fuel in solid form is provided by employing a structural agent whic...	01/27/1987
4378287	Wax product A method of making wax articles and lubricity to textile yarns in which paraffin wax having a particular melting temperature is heated to a temperature above the melting temperature and thereby melted. A mold is then filled with a molten wax while being c...	03/29/1983
4199431	Oxidation of petrolatums in the presence of halide salts Petrolatums are oxidized to high acid numbers by agitating a liquid petrolatum charge with the halide salt of an alkali metal, alkali earth metal or substituted ammonium halide while forcing gaseous air or oxygen through the liquid charge....	04/22/1980
4148711	Catalytic refining process for tank bottoms wax High melting, deoiled and mildly deasphalted tank bottoms wax is catalytically refined in two stages using a catalyst comprising nickel molybdate on alumina. The first stage is maintained at a temperature at least about 50° F. higher than the second stag...	04/10/1979

PatentStorm

Quotables

PatentStorm News

Class 208/20 - Waxes