1
Bestmann Lothar: Water purifying method by floating vegetation material and the floating vegetation material. Bestmann Lothar, March 31, 1997: JP1997-085281

PROBLEM TO BE SOLVED: To improve water purifying efficiency and working efficiency and to minimize the effect on a natural ecosystem and to enable the harmony with natural environment. SOLUTION: In a method for preventing the diffusion of a floating pollutant to rivers or the sea to purify water, a ...


2
Sekiguchi Masahito, Tanaka Shin: Production of 4-t-butylcyclohexanol. Sumitomo Chem, March 31, 1997: JP1997-087218

PROBLEM TO BE SOLVED: To obtain 4-t-butylcyclohexanol large in the content of the cis-isomer and useful as a raw material for perfumes by hydrogenating 4-t-butylphenol in the presence of a rhodium catalyst and a solvent and in the coexistence of hydrogen chloride or (anhydrous) sulfuric acid. SOLUTI ...


3
Fujino Toshihiro, Satou Haruyo: Production of racemic 2-piperazinecarboxylic acid derivative. Toray, March 31, 1997: JP1997-087255

PROBLEM TO BE SOLVED: To efficiently racemize an optically active 2-piperazinecarboxylic acid derivative, racemize an unnecessary optical antipode formed as a by-product in optical resolution and enable the recycling thereof as a raw material for the optical resolution by heating the 2-piperazinecar ...


4
Teramoto Koji, Kanda Tamotsu, Tezuka Makoto, Uchibori Toshio, Sano Hidefumi: Production of epsilon-caprolactam. Mitsubishi Chem, March 31, 1997: JP1997-087247

PROBLEM TO BE SOLVED: To produce ε-caprolactam of quality not inferior to that of a conventional product at a low cost by using cyclohexene as a raw material. SOLUTION: Methylcyclopentanones contained in cyclohexanone used for reaction with hydroxylamine are regulated to ≤400ppm in the method f ...


5
Uchida Kensuke, Fujita Yoshiharu, Sato Naohiko: Thermoplastic polymer composition. Asahi Chem, March 31, 1997: JP1997-087477

PROBLEM TO BE SOLVED: To obtain a thermoplastic polymer composition which comprises a mixture of a modified olefin polymer having a specific chemical structure and a nonpolar thermoplastic polymer and shows excellent surface characteristics such as coating properties and adhesion in a variety of app ...


6
Uchida Kensuke, Fujita Yoshiharu, Sato Naohiko: Thermoplastic polymer composition. Asahi Chem, March 31, 1997: JP1997-087476

PROBLEM TO BE SOLVED: To obtain a thermoplastic polymer composition which comprises a mixture of a modified olefin polymer having a specific chemical structure and a polar thermoplastic polymer and shows excellent mechanical characteristics and oil resistance in a variety of applications for resin m ...


7
Kashiwagi Toru, Nishiyama Takeo, Hirata Reiji: Bagged food for salad. Q P, March 31, 1997: JP1997-084563

PROBLEM TO BE SOLVED: To obtain the subject food excellent in storage stability, providing the same salad as that immediately after preparation by a simple operation at a backyard of a supermarket, etc., by packing/sealing a food material having loosening properties and an acidic seasoning in a bag ...


8
Hiyama Hirokuni, Wada Taketaka: Polishing device. Ebara, March 31, 1997: JP1997-085611

PROBLEM TO BE SOLVED: To provide a polishing device capable of detecting film thickness on polished surface on a real time basis without any need of dislocating the top ring thereof outside a turntable, with semiconductor wafer mounted on the top ring. SOLUTION: A polished workpiece film thickness d ...


9
Shigeta Chikashi, Morita Katsunari, Kamijo Yukichi: Water-resistant and humidity resistant decorative sheet. Sumitomo Forestry, Sumitomo Ringyo Kuretsukusu, March 31, 1997: JP1997-085926

PROBLEM TO BE SOLVED: To provide a highly productive and low cost water-resistant and humidity resistant decorative sheet standing water content and humidity. SOLUTION: This sheet is a water-resistant stock paper having a multilayered structure prepared by laminating resin-impregnated papers 2 and 2 ...


10
Shima Akio, Yoshikawa Takenao, Nakamura Keiichi, Sudo Yoichi, Suzuki Shoji: Formation of successively expanding metallic plate and apparatus therefor. Hitachi, March 31, 1997: JP1997-085355

PROBLEM TO BE SOLVED: To form a formed product having various sizes and kinds without restricting the shape of a lower punch by press-forming an upper punch and the lower punch toward a metallic plate. SOLUTION: The upper punch 1 is shifted to a Z-direction downward with an upper tool supporting par ...



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