| Patent Number |
Title Of Patent |
Date Issued |
| RE35730 |
Apparatus and process to regenerate a trivalent chromium bath |
February 17, 1998 |
| A process and apparatus for regenerating a plating bath comprising trivalent chromium cations (a trivalent chromium bath). The bath can be continuously, or more preferably, periodically with an ion exchange resin, preferably a cation exchange resin. A useful apparatus comprises a plating |
| 6166235 |
Heterogeneous organotin catalysts |
December 26, 2000 |
| This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supported organotin functionalized silane |
| 6159346 |
Inhibition of 141b decomposition |
December 12, 2000 |
| Inhibition of the formation of unsaturated carbon compounds during the heating of 141b involving the addition of various inhibitors such as dialkylhydroxylamine and/or the use of a vessel made of a nickel alloy. |
| 6136877 |
142b/124 blowing agent blends |
October 24, 2000 |
| Nonflammable foam blowing agent blends of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends. |
| 6124510 |
1234ze preparation |
September 26, 2000 |
| Preparation of cis/trans 1234ze monomer is provided, by dehydrofluorination of 245fa using an alkaline solution or using a gas phase catalyzed process. |
| 6124380 |
Metal containing e-coat catalysts optionally with tin catalysts |
September 26, 2000 |
| The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound cont |
| 6120908 |
Strengthening flat glass by edge coating |
September 19, 2000 |
| A method is described for strengthening or restoring strength to a flat brittle oxide substrate which includes the steps of coating the edges of the brittle oxide substrate with a strengthening composition without coating a significate portion of the flat surfaces. The strengthen brittle |
| 6117917 |
Blowing agent blends and use thereof |
September 12, 2000 |
| B-side compositions comprising a polyol and a gaseous blowing agent comprising 124 dissolved in the polyol are provided, as are processes for producing closed-cell polyurethane or polyisocyanurate polymer foam comprising contacting an isocyanate-containing component with a polyol com |
| 6117914 |
142b/124 blowing agent blends |
September 12, 2000 |
| Nonflammable foam blowing agent blends of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends. |
| 6099624 |
Nickel-phosphorus alloy coatings |
August 8, 2000 |
| Nickel phosphorus alloys can be electroplated from an aqueous acidic solution containing nickel alkane sulfonate and phosphorus acid. |
| 6083874 |
Composition and method for plant desiccation |
July 4, 2000 |
| This invention relates to an improved composition of matter for and method of desiccating plants such as, for example, cotton. More particularly, this invention relates to an improved desiccating composition comprising a solution of endothall, an ammonium salt, a glutamine synthetase inh |
| 6083627 |
Powder coatings from mixtures of thermoplastic vinylidene fluoride based resins and polyamide re |
July 4, 2000 |
| Pigmented and unpigmented polymeric resin blends containing up to 45 weight percent polyvinylidene fluoride based polymer and either polyamide 11 or polyamide 12 having particular usefulness in powder coating of objects are disclosed. |
| 6074985 |
Fluorination catalysts |
June 13, 2000 |
| A supported Lewis acid catalyst such as antimony V on a fluorine-treated moisture-free activated carbon support is provided, as are fluorination processes using such a catalyst. |
| 6066760 |
Process for the preparation of alkane sulfonic acid and alkane sulfonyl chloride |
May 23, 2000 |
| A process is disclosed for the efficient production of high purity alkane sulfonic acid and/or alkane sulfonyl chloride product wherein a compound of the formula RSX, where X is hydrogen or --SR.sup.1 and R and R.sup.1 are alkyl radicals is continuously reacted with chlorine in aqueous |
| 6063969 |
Preparation of 142 |
May 16, 2000 |
| A process for the preparation of 142 is provided, wherein 1130 is fluorinated in the gas phase in the presence of a catalyst which is a supported or unsupported fluorinated salt of one or more of chromium, iron, niobium, nickel, antimony, tin, tantalum or titanium. 142 is a known foa |
| 6059933 |
Inhibition of 141b decomposition |
May 9, 2000 |
| Inhibition of the formation of unsaturated carbon compounds during the heating of 141b involving the addition of various inhibitors such as butylene oxide and/or the use of a vessel made of a nickel alloy. |
| 6042893 |
Metal containing E-coat catalysts optionally with tin catalysts |
March 28, 2000 |
| The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound cont |
| 6028128 |
Metal containing E-coat catalysts optionally with tin catalysts |
February 22, 2000 |
| The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound cont |
| 6018000 |
Powder coatings from mixtures of thermoplastic vinylidene fluoride based resins and polyamide re |
January 25, 2000 |
| Pigmented and unpigmented polymeric resin blends containing up to 45 weight percent polyvinylidene fluoride based polymer and either polyamide 11 or polyamide 12 having particular usefulness in powder coating of objects are disclosed. |
| 6013846 |
Azeotrope of HF and 1233zd |
January 11, 2000 |
| An azeotrope containing HF and 1233zd is provided, as are methods for separating this azeotrope from mixtures of HF and 1233zd which are HF-rich or 1233zd-rich and methods for making use of the azeotrope and separation methods to improve processes for preparing 1233zd, an intermediate us |
| 6013333 |
Method for strengthening a brittle oxide substrate |
January 11, 2000 |
| A method is described for strengthening or restoring strength to a brittle oxide substrate which includes the steps of coating the brittle oxide substrate with an aqueous solution containing a silane-based composition, and curing the coating to form a transparent layer on the brittle oxi |
| 6001900 |
Metal containing e-coat catalysts optionally with tin catalysts |
December 14, 1999 |
| The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound cont |
| 5985967 |
Composition based on high molecular weight organotin maleates which can be used to stabilize the |
November 16, 1999 |
| The invention relates to a composition containing high molecular weight organotin maleates as obtained by reacting a high molecular alcohol or epoxyalkane with maleic anhydride and by then bringing the mixture thus obtained into contact with a dialkyltin oxide.The invention also relates |
| 5981787 |
Peroxyoxalates derived from hydroxy-hydroperoxides |
November 9, 1999 |
| Novel peroxyoxalate compositions of Structure A, ##STR1## and use of the novel monoperoxyoxalates of Structure A as initiators for polymerizing ethylenically unsaturated monomers and for curing of unsaturated polyester resins are disclosed. |
| 5981685 |
Organotin sulfonate catalysts and their manufacture |
November 9, 1999 |
| Dual cure organotin salts of strong organic acids, the use of such salts as catalysts and an improved process for producing the catalysts are provided. The catalysts are capable of effectively catalyzing esterification and transesterification reactions and urethane, silicone, melamin |
| 5958992 |
Blowing agent blends |
September 28, 1999 |
| Foam blowing agents blends of 10-90% of n- and/or i-pentane with 90-10% of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends. |
| 5951161 |
Apparatus for preparation of tank mixtures for heat sensitive biofungicides |
September 14, 1999 |
| An apparatus for preparing a biofungicide mixture for application to harvested fruit. The apparatus includes a storage container for holding a dry biofungicide component. The storage container is attached to a conduit which has a screw conveyor rotatably disposed within it for transferri |
| 5948920 |
Epoxides from dicyclopentadiene--unsaturated oil copolymers |
September 7, 1999 |
| Partially epoxidized compounds obtained from Diels Alder adducts of dicyclopentadiene with fatty oils having a iodine number of 70 or greater and their transesterification products with C.sub.1 to C.sub.10 alkanols are disclosed. 100% solids radiation and heat curable coating composition |
| 5948843 |
Lithographic ink |
September 7, 1999 |
| A lithographic printing ink contains an ester-modified carboxyl-containing copolymer as a pigment dispersant. The ester-modified carboxyl-containing copolymer is the reaction product of a long chain alcohol and a styrene maleic anhydride copolymer, wherein at least 35% of the carboxyl gr |
| 5944879 |
Nickel hypophosphite solutions containing increased nickel concentration |
August 31, 1999 |
| This invention relates to aqueous solutions containing Ni cation and hypophosphite anion which have a Ni cation concentration greater than 36 grams/liter. Such solutions have utility in electroless nickel plating baths and processes as make-up solutions and replenishing solutions. The |
| 5922493 |
Polymeric electrode and electrolyte article of manufacture |
July 13, 1999 |
| An article of manufacture is disclosed comprising an electrochemical cell having a positive electrode, an absorber-separator and a negative electrode wherein at least one of the electrodes or absorber-separator comprises a porous polyvinylidene fluoride. The porous polyvinylidene flu |
| 5919852 |
Low smoke, flame retardant, VDF polymers |
July 6, 1999 |
| Calcium tungstate modified, VDF polymers having a reduced smoke-generating capability upon ignition and an increased resistance to ignition. |
| 5912304 |
Processes providing improved scorch retardation during compounding of elastomers and thermoplast |
June 15, 1999 |
| A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by the incorporation |
| 5910373 |
Metal containing E-coat catalysts optionally with tin catalysts |
June 8, 1999 |
| The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound cont |
| 5902871 |
Catalyst for low temperature cure of blocked isocyanates |
May 11, 1999 |
| The present invention comprises a curable composition comprising:(i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate;(ii) a functional compound containing reactive hydrogen;(iii) a triorganotin catalyst for promoting the reaction of the blocked reacti |
| 5895825 |
Preparation of 1,1,1,3,3-pentafluoropropane |
April 20, 1999 |
| A process for the preparation of 245fa is provided, wherein 1233zd is first fluorinated to 1234ze, followed by fluorination of 1234ze to 245fa. 245fa is a known foam blowing agent and refrigerant. |
| 5880178 |
Catalyst for low temperature cure of blocked isocyanates |
March 9, 1999 |
| The present invention comprises a curable composition comprising:(i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate;(ii) a functional compound containing reactive hydrogen;(iii) a triorganotin catalyst for promoting the reaction of the blocked reacti |
| 5877359 |
Uncatalyzed liquid phase fluorination of 1230ZA |
March 2, 1999 |
| An uncatalyzed liquid phase process is provided for the preparation of oligomer free 1233zd via the fluorination of 1230za with a high molar excess of HF. The 1233zd is a known intermediate useful for preparing 245fa. |
| 5876624 |
Scorch retarding crosslinking compositions comprising a hydroquinone, a sulfur accelerator, a co |
March 2, 1999 |
| A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by the incorporation |
| 5869580 |
Process for the preparation of crosslinkable thermoplastic and/or elastomeric polymer compositio |
February 9, 1999 |
| A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by the incorporation |
| 5866712 |
Oxalic acid peroxide compositions and uses |
February 2, 1999 |
| A novel peroxide composition of Structure A, ##STR1## and use of the novel oxalic acid peroxide composition of Structure A as an initiator; a) for curing of unsaturated polyester resins, b) for polymerizing ethylenically unsaturated monomers, c) for crosslinking of polyolefins, d |
| 5859165 |
Metal containing E-coat catalysts optionally with tin catalysts |
January 12, 1999 |
| The invention comprises a curable composition comprising:(i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate;(ii) a functional compound reactive with the blocked reactive component, the functional compound containing rea |
| 5854188 |
Water in oil emulsions containing pyrrole |
December 29, 1998 |
| Improvements in the rate of stripping of alkaline water-in-oil emulsions by incorporating in the organic phase thereof an effective amount of pyrrole. |
| 5851972 |
Water in oil emulsions containing anisole |
December 22, 1998 |
| Improvements in the rate of stripping of benzyl alcohol containing water-in-oil emulsions by incorporating in the organic phase thereof an effective amount of anisole. |
| 5849214 |
Scorch extending curing/crosslinking compositions |
December 15, 1998 |
| A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by the incorporation |
| 5837782 |
Bis(mono-and-diperoxyoxalates) derived from dihydroperoxides and alkyl and alkylperoxy halooxala |
November 17, 1998 |
| A novel bis(mono- or diperoxyoxalate) composition of Structure A, ##STR1## and use of the novel bis(mono- or diperoxyoxalate) composition as an initiators for curing of unsaturated polyester resins and for polymerizing ethylenically unsaturated monomers are disclosed. |
| 5821209 |
Water in oil emulsions containing a terpene, benzyl alcohol, and wax |
October 13, 1998 |
| Improvements in the retardation of water evaporation from benzyl alcohol containing water-in-oil emulsions by incorporating in the organic phase thereof an effective amount of a terpene. |
| 5817612 |
Aqueous benzyl formate paint stripper |
October 6, 1998 |
| Aqueous paint stripper formulations containing a solvent system comprised of an ester such as benzyl formate and methods for using the same to strip paint. |
| 5811603 |
Gas phase fluorination of 1230za |
September 22, 1998 |
| A process for the fluorination of 1230za is provided, wherein 1230za is contacted with HF in the gas phase in the presence of an aluminum fluoride or chromium-based fluorination catalyst under conditions sufficient to produce a reaction mixture containing 1233zd, 1234ze and 245fa. 245fa |
| 5811481 |
Lithographic ink |
September 22, 1998 |
| A lithographic printing ink contains an ester-modified carboxyl-containing copolymer as a pigment dispersant. The ester-modified carboxyl-containing copolymer is the reaction product of a long chain alcohol and a styrene maleic anhydride copolymer, wherein at least 35% of the carboxyl gr |