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Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 0242227 B1 19930210 - ELASTOMERIC NEUTRON PROTECTION MATERIAL

Title (en)

ELASTOMERIC NEUTRON PROTECTION MATERIAL

Publication

EP 0242227 B1 19930210 (EN)

Application

EP 87303420 A 19870416

Priority

DE 3612971 A 19860417

Abstract (en)

[origin: EP0242227A2] Elastomeric neutron protection material comprising a polymeric reaction product of a rection between a) at least one polybutadiene-based polyol having a hydrogen content comparable to that of polyethylene; and b) at least one aliphatic diisocyanate; the material having a hydrogen content of at least about 8 weight percent.

IPC 1-7

G21F 1/10

IPC 8 full level

C08G 18/69 (2006.01); G21F 1/10 (2006.01)

CPC (source: EP)

G21F 1/10 (2013.01)

Designated contracting state (EPC)

CH FR GB IT LI

DOCDB simple family (publication)

EP 0242227 A2 19871021; EP 0242227 A3 19881005; EP 0242227 B1 19930210; DE 3612971 A1 19871223; DE 3612971 C2 19970918; IL 82227 A0 19871030; JP S6324197 A 19880201

DOCDB simple family (application)

EP 87303420 A 19870416; DE 3612971 A 19860417; IL 8222787 A 19870416; JP 9500487 A 19870417