| Patent Number |
Title Of Patent |
Date Issued |
| 6579466 |
Sulphonated polyesters as finishing agents in detergent, rinsing, softening and textile treatmen |
June 17, 2003 |
| New water-dispersible or water-soluble sulphonated polyesters with a number molecular mass lower than 20000, exhibiting a sulphur weight content of the order of 0.5 to 10% and a hydroxyl functional group content, expressed as OH equivalent/kg of polymer, higher than 0.2. They may be empl |
| 5891412 |
Ceric oxide particulates having improved morphology |
April 6, 1999 |
| Ceric oxide particulates having a specific surface of at least 190 m.sup.2 /g, measured after calcination at a temperature of from 350.degree. to 450.degree. C., and a specific surface of at least 15 m.sup.2 /g after calcination at 800.degree. C., are prepared by (a) suspending, in an |
| 5716547 |
Stable colloidal dispersions of rare earth compounds |
February 10, 1998 |
| Stable colloidal dispersions, in water, of rare earth compounds, e.g., yttric rare earth compounds, are produced by (a) reacting, in an aqueous reaction medium, a rare earth oxide with a controlled effective amount of a monovalent water-soluble acid having a pK.sub.a of from 2.5 to 5.0, |
| 5710117 |
Detergent formulation with anti soiling properties for washing laundry |
January 20, 1998 |
| Detergent formulation for washing laundry characterized in that it comprises:from about 10 to 80% of its weight of at least one hydrated zeolite (z) of formulain which, if y=1, x is from about 0.7 to 1.1, z is from about 1.3 to 3.3 and w is from about 10 to 264from about 0.005 to 5%, of |
| 5665323 |
Preparation of ammonium rare earth double oxalates and rare earth oxides produced therefrom |
September 9, 1997 |
| Particulate and coarse ammonium rare earth double oxalate crystals, readily converted into rare earth oxide particles by simple calcination, e.g., yttrium oxide particles, are prepared by (a) intimately admixing, in an aqueous medium, (i) at least one rare earth neutral oxalate with (ii) |
| 5662874 |
Preparation of ammonium rare earth double oxalates and rare earth oxides produced therefrom |
September 2, 1997 |
| Particulate ammonium rare earth double oxalate crystals, homogeneous in particle size and having a narrow particle size distribution and readily converted into rare earth oxide particles by simple calcination, e.g., yttrium oxide particles, are prepared by (a) intimately admixing, in an |
| 5496528 |
Rare earth oxides |
March 5, 1996 |
| Novel rare earth oxides having a large specific surface of at least 40 m.sup.2 /g, well adapted for catalysis, are prepared (i) by reacting at least one rare earth salt with a strong base in the presence of carboxylate ions, or by reacting at least one rare earth carboxylate with a s |
| 5466428 |
Morphologically improved ceric oxide particulates |
November 14, 1995 |
| Morphologically improved ceric oxide particulates having a grain size distribution such that the mean diameter of the aggregates thereof ranges from 0.2 to 1 .mu.m, are conveniently prepared by (i) hydrolyzing an aqueous solution of a cerium (IV) salt in an acid medium, in the presence |
| 5466428 |
Morphologically improved ceric oxide particulates |
November 14, 1995 |
| Morphologically improved ceric oxide particulates having a grain size distribution such that the mean diameter of the aggregates thereof ranges from 0.2 to 1 .mu.m, are conveniently prepared by (i) hydrolyzing an aqueous solution of a cerium (IV) salt in an acid medium, in the presence |
| 5350524 |
Mixed polysaccharide precipitating agents and insulating articles shaped therefrom |
September 27, 1994 |
| Mixed polysaccharide compositions, well adopted for flocculating/precipitating solid particulates from liquid dispersions thereof and for the shaping of insulating articles therefrom, comprise (i) at least one succinoglycan polysaccharide, the basic recurring structural unit of which |
| 5279789 |
Ceric oxide particulates having improved morphology |
January 18, 1994 |
| Ceric oxide particulates having a specific surface of at least 190 m.sup.2 /g, measured after calcination at a temperature of from 350.degree. to 450.degree. C., and a specific surface of at least 15 m.sup.2 /g after calcination at 800.degree. C., are prepared by (a) suspending, in an |
| 5221790 |
Mixed polysaccharide precipitating agents and insulating articles shaped therefrom |
June 22, 1993 |
| Mixed polysaccharide compositions, well adopted for flocculating/precipitating solid particulates from liquid dispersions thereof and for the shaping of insulating articles therefrom, comprise (i) at least one polysaccharide prepared by microbial fermentation, the basic recurring str |
| 5021192 |
Colloidal dispersions of cerium (IV) compound |
June 4, 1991 |
| Highly concentrated, aqueous colloidal dispersions of a cerium (IV) compound, adapted for the impregnation of catalyst supports, are prepared by reacting an aqueous solution of a cerium (IV) salt with a base, to precipitate a certain cerium hydroxynitrate, separating and washing said |
| 4965057 |
Process for producing morphologically improved ceric oxide particulates |
October 23, 1990 |
| Morphologically improved ceric oxide particulates having a grain size distribution such that the mean diameter of the aggregates thereof ranges from 0.2 to 1 .mu.m, are conveniently prepared by (i) hydrolyzing an aqueous solution of a cerium (IV) salt in an acid medium, (ii) adding an |
| 4859432 |
Novel ceric oxide particulates and process of making |
August 22, 1989 |
| Morphologically improved ceric oxide particulates have a BET specific surface, measured after calcination at a temperature of from 350.degree. to 450.degree. C., of at least 100 m.sup.2 /g, a total pore volume of at least 0.3 cm.sup.3 /g, and the pores of which having a mean diameter |
