| Patent Number |
Title Of Patent |
Date Issued |
| 7314639 |
Process for the production of crystals of a benzoic acid derivative |
January 1, 2008 |
| A method for preparing a crystal of 4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)carbamoyl]benzo- ic acid having a single endothermic peak approximately at 233.degree. C. in differential scanning calorimetry, which comprises the step of recrystallizing a crystal of 4- |
| 5026521 |
Zirconium-titanium and/or tantalum oxygen alloy |
June 25, 1991 |
| A zirconium alloy which has good creep strength and bending properties as well as improved corrosion resistance in nitric acid solutions of low, medium, and high concentrations and which can withstand stress corrosion cracking in highly concentrated nitric acid solutions even under a hig |
| 4715909 |
Nickel-chromium alloy in stress corrosion cracking resistance |
December 29, 1987 |
| A nickel-chromium alloy excellent in a stress corrosion cracking resistance which is obtained by carrying out an annealing treatment under specific conditions, said alloy having the following composition:the residue comprising substantially Fe. A nickel-chromium alloy further including 0 |
| 4714501 |
Method for thermal treatment of alloy for heat transfer pipes |
December 22, 1987 |
| An alloy for heat transfer pipes excellent in an alkali stress corrosion cracking resistance which is obtained by heating and retaining said alloy at a temperature within the range of a temperature (T.degree.C.), at which a carbide in said alloy is thoroughly solubilized, to T+100.degree |
| 4710237 |
Method for thermal treatment of nickel based alloy materials |
December 1, 1987 |
| A method for a thermal treatment of a nickel based alloy, characterized in that said nickel based alloy for a material which will be subjected to a high-temperature and high-pressure water or vapor comprises, in terms of % by weight, 58% or more of Ni, 25 to 35% of Cr, 0.003% or less of |
| 4671929 |
Austenitic stainless steel with improved resistance to corrosion by nitric acid |
June 9, 1987 |
| An austenitic stainless steel exhibiting improved resistance to corrosion caused by nitric acid is disclosed, which consists essentially of:C: not more than 0.03% by weight, Si: 2-6% by weight,Mn: 0.1-8% by weight, Cr: 20-35% by weight,Ni: 17-50% by weight, Mg: not more than 0.02%,at least one o |
| 4640817 |
Dual-phase stainless steel with improved resistance to corrosion by nitric acid |
February 3, 1987 |
| A dual-phase stainless steel exhibiting improved resistance to corrosion caused by nitric acid is disclosed, which consists essentially of:C: not more than 0.02% by weight, Si: 2-6% by weight,Mn: 0.1-2% by weight, Cr: 20-35% by weight,Ni: 3-27% by weight, P: not more than 0.02% by weight,N: not |
| 4276133 |
Method for continuous electrolytic descaling of steel wire by non-contact current flow |
June 30, 1981 |
| Electrolytic descaling of a steel wire is carried out at a high current density by a non-contact flow method in the presence of ferrous ions in the electrolyte to prevent the consumption of electrodes. |
| 4201650 |
Apparatus for continuous electrolytic descaling of steel wire with mill scales |
May 6, 1980 |
| Mill scales formed on the surface of a steel wire are continuously removed by causing the wire to pass through a plurality of pairs of electrodes which are connected to an electric power source and arranged in series in an electrolytic cell without contacting the electrodes. This apparat |
| 4174677 |
Device for cross-linking of coating material such as rubber or plastic, for electric wire |
November 20, 1979 |
| A device for cross-linking of coating material such as rubber or plastic having a vertical or inclined cross-linking tube including a heating portion and a succeeding cooling portion, said heating portion comprising at the side thereof a gas circulating passage having a gas supply device |
