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
Base station, relay station, and bandwidth allocation method
Targeting agents for enhancing radiation therapy
Device and method for generating soft tissue contrast images
Suspension with flexure having laminated structure and bonding pads on opposing surfaces thereof, and head gimbal assembly and disk drive unit with the same
Modular microscope construction
Systems and methods for automated institutional processing of payments
Systems, methods, and media for firewall control via remote system information
  Randomly Featured Patents
Production of threaded metal rods for making U-bolts
Accumulating roller conveyor
Method for providing electrically conductive paths in polymer tubing
Compositions of tricyclic .beta.-lactams and uses thereof
Method of channel estimation
Rotary electric machine having stator rotation-restricting bolt
Over-door storage unit
Graphical user interface for computer screen
Swab for collection of biological samples or the like
Process and apparatus for producing dihydric phenolic compound