Ashida Kaneyoshi: Flame-resistive polyurethane foam composition. Nisshin Boseki Kabushiki Kaisha, December 7, 1971: US3625872 (24 worldwide citation)

This invention relates to flame-resistive, nonflammable foam compositions comprising a flame-resistive organic foam material and an inorganic filler. The flame-resistive organic foam material is produced by using an aromatic polyisocyanate having no ortho substituent, an active hydrogen-containing c ...

Ashida Kaneyoshi: Halogen-free blowing agents that include cycloaliphatic hydrocarbons and are suitable for isocyanate-based polymeric foams.. Nisshin Spinning, June 14, 1995: EP0657495-A1 (10 worldwide citation)

The mfr. uses a halogen-free organic liq. as a physical blowing agent for the foam. The organic liq. contains a positive azeotrope of min. b.pt. 15-80 deg.C at normal atmospheric pressure and comprises (a) a 5-7C cycloaliphatic hydrocarbon, and (b) a 4C aliphatic ether, a 2-5C aliphatic carboxylic a ...

Ashida Kaneyoshi, Ashtiani Zarandi Mansour: Self-reinforcing polyurethane compositions.. Gen Motors, January 8, 1992: EP0464886-A2 (4 worldwide citation)

A polyurethane liquid crystal polymer-reinforced RIM composition having superior impact strength and flexural modulus is produced by a reaction-injection-moulding process. The chemistry involved in the preparation of this reinforced RIM material includes the simultaneous reaction and formation of a ...

Ashida Kaneyoshi, Van Der Loos Jozef Lambertus M, Frisch Kurt Charles: Process for preparing an n-substituted carbamoyl-lactam compound.. Stamicarbon, October 16, 1985: EP0158393-A1 (4 worldwide citation)

The invention concerns a process for preparing an N-substituted carbamoyl-lactam compound having the formula by reactively admixing a polyhydroxy compound having the formula R(OH)n and a polyisocyanate having the formula OCN-R min -NCO, wherein said n is an integer >/=3, R is the residual of a three ...


Frisch Kurt Charles, Ashida Kaneyoshi, Van Der Loos Jozef Lambertus M, Van Geenen Albert Arnold: Process for preparing a polymer alloy, molded product, and reaction injection molded product.. Stamicarbon, October 16, 1985: EP0158394-A1 (3 worldwide citation)

The invention relates to a process for preparing a polymer alloy based upon at least one polyamide polymer, and at least one polymer of the group of polyurethane polymer, polyurea polymer and polyisocyanurate polymer. The invention further relates to a molded object comprising a polyamide polymer, a ...

Ashida Kaneyoshi: Energy-absorbing flexible polyurethane foam.. Gen Motors, March 4, 1992: EP0473220-A2 (2 worldwide citation)

A polyurethane liquid crystal polymer-modified polyurethane foam composition (20) having superior impact strength and flexural modulus is produced by the simultaneous reaction and formation of a polyurethane liquid crystal polymer (18) and a polyurethane foam (16).


Ashida Kaneyoshi: Process for the formation of isocyanurates.. Bp Chem Int, January 29, 1986: EP0169708-A2 (2 worldwide citation)

Silicate esters which catalyse the formation of isocyanurates or isocyanaurate linkages in isocyanate condensation polymers have the formula wherein R1 is a C2-C4 alkylene radical and R2 is either a methyl or alkyl radical. The catalysts may be used to prepare polyurethanes, poly(isocyanurates) and ...

Ashida Kaneyoshi, Van Der Loos Jozef Lambertus M: N-substituted carbamoyl-lactam.. Stamicarbon, October 23, 1985: EP0159070-A1 (2 worldwide citation)

An N-substituted carbamoyl-lactam compound of the formula wherein R is a radical derived from polytetramethyleneglycol R(OH)2 and represents the radical remaining from the polytetramethylene oxide starting material used in preparing polytetramethyleneglycol and has an equivalent weight of 300-2500, ...