A compound represented by the following formula (1):

##STR00001##

wherein R.sup.1 is a monovalent organic group containing a polyether chain; X.sup.1 and X.sup.2 are each individually a monovalent group; and the polyether chain is a chain represented by the following formula: (OC.sub.6F.sub.12).sub.m11(OC.sub.5F.sub.10).sub.m12(OC.sub.4F.sub.8).sub.m13(OC.sub.3X.sup.10.sub.6).sub.m14(OC.sub.2F.sub.4).sub.m15(OCF.sub.2).sub.m16, wherein m11, m12, m13, m14, m15, and m16 are each individually an integer of 0 or 1 or greater; X.sup.10s are each individually H, F, or Cl; the repeating units are present in any order; and the sum of m11 to m16 is an integer of 10 or greater, R.sup.1 being other than those containing a urethane bond.

There is provided herein a compound of formula (I) wherein R.sup.1, R.sup.2, n, X, Q, L, m, R.sup.3 and p are as defined herein, which compounds are useful in the treatment of treatment of diseases characterised by impaired signalling of neurotrophins and/or other trophic factors, such as Alzheimer's disease and the like.

##STR00001##

Disclosed are compounds represented by structural formula

##STR00001## methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.

Disclosed are compounds represented by structural formula

##STR00001## methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.

The invention relates to compounds of a new type which have a stabilizing effect and in particular provide stabilization with respect to oxidative thermal and/or actinic decomposition of or damage to organic materials. The compounds are represented by general formula I specified below. The invention further relates to a method for producing such compounds, to compositions containing said compound, to a method for stabilizing organic compounds by means of the stabilizing compounds, and to the use of the stabilizing compounds to stabilize organic materials.

The invention relates to compounds of a new type which have a stabilizing effect and in particular provide stabilization with respect to oxidative thermal and/or actinic decomposition of or damage to organic materials. The compounds are represented by general formula I specified below. The invention further relates to a method for producing such compounds, to compositions containing said compound, to a method for stabilizing organic compounds by means of the stabilizing compounds, and to the use of the stabilizing compounds to stabilize organic materials.

The present invention relates to novel polyisocyanurate plastics which are obtainable by catalytic trimerization of a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates. Low in monomeric diisocyanates means that the polyisocyanate composition A) has a content of monomeric diisocyanates of at most 20% by weight. The invention further relates to the use of these polyisocyanurate plastics for production of coatings, films, semi-finished products and mouldings, and to a process for producing polyisocyanurate plastics comprising the following steps: (a) providing a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates, low in monomeric diisocyanates meaning that the polyisocyanate composition A) has a content of monomeric diisocyanates of at most 20% by weight; (b) catalytically trimerizing the polyisocyanate composition A).

A novel resist underlayer film forming composition containing a compound has a hydantoin ring. A resist underlayer film forming composition has a compound having at least two substituents of the following formula (1):

##STR00001##

(wherein R.sub.1 and R.sub.2 are each independently a hydrogen atom or a methyl group, and X.sub.1 is a C.sub.1-3 hydroxyalkyl group or a C.sub.2-6 alkyl group having one or two ether bonds in a main chain) in the molecule, and a solvent.

There are provided a novel isocyanurate compound having a glycidyl group as a substituent to be bonded to a nitrogen atom. A monoglycidyl isocyanurate compound of the following Formula (1), (2), or (3). ##STR00001##
(wherein two R.sup.1s are each a C.sub.2-10 alkyl group, two R.sup.2s are each a C.sub.1-5 alkylene group, two R.sup.3s are each a C.sub.1-2 alkyl group, two R.sup.4s are each a C.sub.1-2 alkylene group, and two R.sup.5s are each a C.sub.1-2 alkyl group).

There are provided a novel isocyanurate compound having a glycidyl group as a substituent to be bonded to a nitrogen atom. A monoglycidyl isocyanurate compound of the following Formula (1), (2), or (3). ##STR00001##
(wherein two R.sup.1s are each a C.sub.2-10 alkyl group, two R.sup.2s are each a C.sub.1-5 alkylene group, two R.sup.3s are each a C.sub.1-2 alkyl group, two R.sup.4s are each a C.sub.1-2 alkylene group, and two R.sup.5s are each a C.sub.1-2 alkyl group).