Loctite (ireland) Limited

Henkel IP Holding Gmbh

Loctite (r&d) Limited

Loctite Corporation

John Guthrie

Brendan J Kneafsey

Stephen J Harris

Maureen G MacManus

David P Melody

Barry N Burns

John G Woods

Marisa Phelan

Cormac Duffy

Michael A McKervey

Ciara Goff

John M Rooney

Rory B Barnes

Rachel Hersee

Christina Despotopoulou

Ciaran Mcardle

Pauline Coakley

John Killoran

Bernard Ryan

Ray P Tully

Gerard Coughlan

Sabine Horn

Marueen G MacManus

Christina Despotpoulou

Rachael M Hersee

Allyl-cyanoacrylate-containing compositions with an anhydride aromatic component, which when cured confers improved moisture resistance, are provided.

Cyanoacrylate compositions

This invention relates to cyanoacrylate-containing compositions, which when cured provide improved heat resistance.

Two part cyanoacrylate/cationically curable adhesive systems, are provided.

Two-part, cyanoacrylate /cationically curable adhesive systems

A composition including at least one anaerobically polymerizable compound; and at least one condensation product of an aldehyde and or ketone/with a polyol. The invention also provides a composition as described above which is in the form of a soft solid, for example, in the form of a stick. A two-part composition is provided, comprising a first part containing at least one polymerizable compound; and a second part containing at least one curing component for polymerizing the composition, wherein at least one of the first or second parts additionally comprises at least one gelling or solidifying agent. A kit is provided comprising the composition according to the invention which includes at least one primer component and at least one carrier solvent for the primer component, and a second composition which includes at least one anaerobically polymerizable compound and at least one condensation product of an aldehyde and or ketone/with a polyol. A pack is also provided, comprising: a shaped mass of a composition which includes at least one anaerobically polymerizable compound and at least one condensation product of an aldehyde and or ketone/with a polyol, and a container () for the composition. The container () has a mechanism for expelling the shaped mass.

Semi-solid one- or two-part compositions

A composition including at least one solvent for cured product and at least one gelling or solidifying agent. The invention also provides a composition described above which is in the form of a soft solid, for example, in the form of a stick. A pack is also provided, comprising (i) a shaped mass of a composition, which includes at least one solvent for a cured product and at least one gelling or solidifying agent and a container ( ) for the composition. The container ( ) has a mechanism for expelling the shaped mass.

Semi-solid compositions for removing cured product

A one-part, air-activatable, polymerizable composition comprising:

Polymerisable compositions using air-activated latent initiator system

A one-component air-activatable polymerisable adhesive composition comprising:

Air activatable polymerizable compositions containing tetrazoles

One-part, air-activatable, free-radically polymerizable compositions

Polymerizable calixarene and oxacalixarene derivates wherein at least one aryl group of the macrocyclic ring has a phenolic side chain of the formula VII: ##STR1## wherein Z is a group containing an acrylate or methacrylate functional group. Linear polymers may be formed from these compounds by free radical polymerization at the (meth)acrylate group. Such compounds and their polymers are capable of sequestering metals.

Polymerizable calixarene and oxacalixarene derivatives, polymers thereof

Calixarene and oxacalixarene derivatives of the formula IV: ##STR1## wherein m'+m'=0-8

Calixarene and oxacalixarene derivatives and use thereof of

A photoresist coating for use in microlithography comprises a polymer of a monomer of the formula ##STR1## wherein X and Y are strong electron withdrawing groups and R.sup.4 is H or, providing that X and Y are both --CN, R.sup.4 may be aliphatic hydrocarbyl, aryl or alkaryl. Preferred monomers are of the formula ##STR2## wherein R.sup.7 is a C.sub.1 -C.sub.5 alkyl or C.sub.2 -C.sub.5 alkenyl group, more particularly ethyl 2-cyanopenta-2,4-dienoate or allyl 2-cyanopenta-2,4-dienoate. Methods for applying a resist coating by vapor deposition of these monomers and exposure to radiation are described. A positive or negative tone image can be produced, depending upon the imaging method employed.

Photoresists formed by polymerization of di-unsaturated monomers

The application describes nitrogen-containing an oxacalixarene or calixarene derivative of formula I: ##STR1## wherein m'+m'=0-8

Nitrogen-containing oxacalixarene and calixarene derivatives, polymers

An encapsulating composition for electronic devices comprises a curable material such as a silicone resin and an ion scavenger compound selected from certain calixarene or oxacalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.

Encapsulating compositions

An encapsulating composition for electronic devices comprises a curable material such as an epoxy resin and an ion scavenger compound selected from certain calixarene or oxycalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.

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Naas, Ireland

John Guthrie