Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kouno; Masahiro
Address:
Kanagawa-ken, JP
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
6936684 Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound August 30, 2005
A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): ##STR1##wherein n stands for an integer of from 1 to 8, Z.sup.n- represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive inte
6022945 Process for production of propylene oxide/ethylene oxide block copolymers February 8, 2000
A catalyst for the polymerization of an alkylene oxide compound is disclosed. This catalyst is composed of a phosphazene compound or a phosphazenium salt which is derived from the phosphazene compound and an active hydrogen compound. A poly(alkylene oxide) can be efficiently produced
5990352 Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxid November 23, 1999
A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): ##STR1## wherein n stands for an integer of from 1 to 8, Z.sup.n- represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positiv
5952457 Polymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxid September 14, 1999
A catalyst for the polymerization of an alkylene oxide compound is disclosed. This catalyst is composed of a phosphazene compound or a phosphazenium salt which is derived from the phosphazene compound and an active hydrogen compound. A poly(alkylene oxide) can be efficiently produced
5677409 Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner c October 14, 1997
Described herein are propylene waxes and a production process thereof. The waxes are each produced by polymerizing propylene in a reaction vessel while using a solid catalyst in the presence or absence of an organoaluminum compound. A hydrogen partial pressure of a gas phase in the r
5658999 Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner c August 19, 1997
Described herein are propylene waxes and a production process thereof. The waxes are each produced by polymerizing propylene in a reaction vessel while using a solid catalyst in the presence or absence of an organoaluminum compound. A hydrogen partial pressure of a gas phase in the r
5652315 Method for preparing ethylene copolymer July 29, 1997
A method for preparing an ethylene copolymer which comprises the step of copolymerizing ethylene with an aromatic vinyl compound in the presence of a catalyst comprising (A) a specific transition metal compound represented by the formula I ##STR1## and (B) a cocatalyst such as an










 
 
  Recently Added Patents
Apoptosis inductor extracted from potato, potato foodstuff containing the inductor, and processed product thereof
Autonomous downlink code selection for femto cells
Defect inspection method and device therefor
Method of publicly displaying a person's relationship status
System and method for advertising messages on distributed document processing devices
Agglutination judgment method
Method and apparatus for controllable communication
  Randomly Featured Patents
Improved method for transfer of molding material in two stage injection molding units during molding of preforms
Water supply manifold
Tanged screw thread inserts with improved removability
Heat absorbing temperature control devices and method
Cationic, amino-functional, adhesion-promoting polymer for curable inks and other plastic film coatings, and plastic film comprising such polymer
Recoverable article for encapsulation
Composition for the regulation of hair growth
Tamper resistant rotably shrouded security cap and tool
Tool holder robot for intervening in an enclosure having an access opening
Dyestuffs containing indolenecyanine disulphonic acid derivatives