US4663228A — Laminated safety glass

Claim 1

Independent Claim 62 words

A transparent laminated article comprising: a first lamina consisting essentially of an ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resin being partially neutralized by an organic diamine or triamine; and one sheet of primed or unprimed glass laminated to said first ionomer.

Claim 2

Dependent Claim 62 words

A transparent laminated article comprising: a first lamina consisting essentially of an ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resin being partially neutralized by an organic diamine or triamine; and one sheet of primed or unprimed glass laminated to said first ionomer.

Claim 3

Dependent Claim 50 words

A transparent laminated article as claimed in claim 1, further comprising a second sheet laminated to said first lamina on the surface thereof opposite said sheet of glass, whereby said first lamina is sandwiched between said sheet of glass and said second sheet, said second sheet being comprised of polycarbonate.

Claim 4

Dependent Claim 123 words

A transparent laminated article as claimed in claim 1, further comprising: a second sheet laminated to said first lamina on the surface thereof opposite said glass sheet; a second lamina laminated to said second sheet, said second sheet being comprised of polycarbonate and sandwiched between said first and second lamina; a second sheet of glass laminated to said second lamina on the surface thereof opposite said second sheet, whereby said second lamina is sandwiched between said second sheet and said second sheet of glass; and said second lamina consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and selected from the group of ionomer resins which are ionically cross-linked copolymers prepared from ethylene and methacrylic acid monomers.

Claim 5

Dependent Claim 28 words

A transparent laminated article as claimed in claims 1, 2, or 3, wherein the surfaces laminated to said ionomer resin films are primed with a silane coupling agent.

Claim 6

Dependent Claim 20 words

A transparent lamina as claimed in claim 1, wherein said ionomer resin is a sodium salt of ethylene-methacrylic acid copolymer.

Claim 7

Dependent Claim 21 words

A transparent laminated article as claimed in claim 1, wherein said ionomer resin is a zinc salt of ethylene-methacrylic acid copolymer.

Claim 8

Dependent Claim 23 words

A transparent laminated article as claimed in claim 1, wherein said ionomer resin is a mixture of metal salts of ethylene-methacrylic acid copolymer.

Claim 9

Dependent Claim 21 words

A transparent laminated article as claimed in claim 1, wherein said first lamina has a thickness of 20 to 200 mils.

Claim 10

Independent Claim 70 words

A method of forming a transparent laminated glass article comprising the steps of: providing a primed or unprimed glass sheet; and laminating a first lamina consisting essentially of an ionomer resin film to said glass sheet, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resin being partially neutralized by an organic diamine or triamine.

Claim 11

Independent Claim 70 words

A method of forming a transparent laminated glass article comprising the steps of: providing a primed or unprimed glass sheet; and laminating a first lamina consisting essentially of an ionomer resin film to said glass sheet, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resin being partially neutralized by an organic diamine or triamine.

Claim 12

Dependent Claim 28 words

A method as claimed in claim 9, further comprising priming said glass surface adjacent said first lamina with a silane coupling agent before laminating said first lamina thereto.

Claim 13

Dependent Claim 54 words

A method as claimed in claim 10, wherein said laminating step comprises: heating said glass sheet and first lamina to a temperature in the range of approximately 180° F. to approximately 310° F.; maintaining the temperature for approximately 15 minutes to approximately one hour; and cooling as rapidly as possible without damaging the laminate.

Claim 14

Dependent Claim 21 words

A method as claimed in claim 11, wherein said heating occurs in an autoclave under a pressure of approximately 10 atmospheres.

Claim 15

Dependent Claim 26 words

A method as claimed in claim 9, further comprising the steps of covering the otherwise exposed surface of said first lamina with a hard coat material.

Claim 16

Dependent Claim 41 words

A method as claimed in claim 9, further comprising the step of laminating a second sheet to the otherwise exposed surface of said first lamina, said second sheet being selected from the group of materials consisting of polycarbonate, acrylic and metal.

Claim 17

Dependent Claim 37 words

A method as claimed in claim 14, wherein said second sheet is polycarbonate and further comprising the step of priming the surface of said polycarbonate to be bonded to said first lamina with a silane coupling agent.

Claim 18

Dependent Claim 27 words

A method as claimed in claim 15, further comprising the step of covering the otherwise exposed surface of said sheet of polycarbonate with a hard coat material.

Claim 19

Dependent Claim 99 words

A method as claimed in claim 9, further comprising the steps of: laminating a second sheet to the otherwise exposed surface of said first lamina, said second sheet being comprised of polycarbonate; laminating a second lamina to the otherwise exposed surface of said second sheet, said second lamina consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and selected from the group of ionomer resins which are ionically cross-linked copolymers prepared from ethylene and methacrylic acid monomers; and laminating a second sheet of glass to the otherwise exposed surface of said second lamina.

Claim 20

Dependent Claim 29 words

A method as claimed in claim 17, further comprising the step of priming all surfaces to be bonded to said first and second laminas with a silane coupling agent.

Claim 21

Dependent Claim 19 words

A method as claimed in claim 9, wherein said first lamina has a thickness of 20 to 200 mils.

Claim 22

Dependent Claim 85 words

A transparent laminated article comprising: a first lamina having a thickness of at least 20 mils consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resins being partially neutralized by an organic diamine or triamine; and a sheet of primed or unprimed glass laminated to said first ionomer resin on one side and a sheet of plastic material on the other side.

Claim 23

Dependent Claim 85 words

A transparent laminated article comprising: a first lamina having a thickness of at least 20 mils consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said ionomer resins being partially neutralized by an organic diamine or triamine; and a sheet of primed or unprimed glass laminated to said first ionomer resin on one side and a sheet of plastic material on the other side.

Claim 24

Independent Claim 83 words

A method of forming a transparent laminated glass article comprising the steps of: providing a primed or unprimed glass sheet; and laminating a first lamina consisting of an extruded ionomer resin film having a thickness of at least 20 mils to said glass sheet, said ionomer resin film being water insoluble and the metal salt of an ionomer resin resins which are ionically cross-linked copolymers prepared from ethylene and methacrylic acid monomers, said ionomer being partially neutralized by an organic diamine or triamine.

Claim 25

Independent Claim 83 words

A method of forming a transparent laminated glass article comprising the steps of: providing a primed or unprimed glass sheet; and laminating a first lamina consisting of an extruded ionomer resin film having a thickness of at least 20 mils to said glass sheet, said ionomer resin film being water insoluble and the metal salt of an ionomer resin resins which are ionically cross-linked copolymers prepared from ethylene and methacrylic acid monomers, said ionomer being partially neutralized by an organic diamine or triamine.

Claim 26

Dependent Claim 71 words

In a laminated product having at least one glass surface bonded with an opposing surface by an ionomer resin film, the improvement which comprises said ionomer resin film being a mixture of a zinc ionomer resin and a sodium ionomer resin, said ionomer being a copolymer prepared from ethylene or an alpa-olefin and carboxylic acid, and an organic polyamine partially neutralizing said resins for causing optical clarity of said ionomer resin.

Claim 27

Dependent Claim 71 words

In a laminated product having at least one glass surface bonded with an opposing surface by an ionomer resin film, the improvement which comprises said ionomer resin film being a mixture of a zinc ionomer resin and a sodium ionomer resin, said ionomer being a copolymer prepared from ethylene or an alpa-olefin and carboxylic acid, and an organic polyamine partially neutralizing said resins for causing optical clarity of said ionomer resin.

Claim 28

Dependent Claim 21 words

The laminated product of claim 22, wherein said sodium and zinc ionomer resins are in a ratio of 95:5 to 5:95.

Claim 29

Dependent Claim 26 words

The laminate product of claim 22, wherein said organic polyamine is present in an amount of from about 0.5 to about 20% by weight of resin.

Claim 30

Dependent Claim 13 words

The laminate product of claim 22, wherein said opposing surface comprises a polycarbonate.

Claim 31

Dependent Claim 58 words

The laminated article of claim 1 wherein said organic diamine is selected from the group consisting of 1,3-diaminomethyl xylene, isophorone diamine and a monocyclic alicyclic compound of the formula: ##STR2## R" and R'" represent hydrogen or lower alkyl; Z is 0-5; W is 0-4; and X is 0-4, with the proviso that together X and Y equal 4.

Claim 32

Dependent Claim 12 words

The laminated article of claim 26 wherein said organic diamine is bis(1,3-aminomethyl)cyclohexane.

Claim 33

Dependent Claim 21 words

The laminated article of claim 26 wherein said metal is selected from the group consisting of alkali metals, aluminum and zinc.

Claim 34

Dependent Claim 57 words

The method of claim 9 wherein said organic diamine is selected from the group consisting of 1,3-diaminomethyl xylene, isophorone diamine and a monocyclic compound of the formula: ##STR3## wherein: R" and R'" represent hydrogen or lower alkyl; Z is 0-5; W is 0-4; and X is 0-4, with the proviso that together X and Y equal 4.

Claim 35

Dependent Claim 11 words

The method of claim 29 wherein said organic diamine is bis(1,3-aminomethyl)cyclohexane.

Claim 36

Dependent Claim 20 words

The method of claim 9 wherein said metal is selected from the group consisting of alkali metals, aluminum and zinc.

Claim 37

Dependent Claim 58 words

The laminated article of claim 20 wherein said organic diamine is selected from the group consisting of 1,3-diaminomethyl xylene, isophorone diamine and a monocyclic compound of the formula: ##STR4## wherein: R" and R'" represent hydrogen or lower alkyl; Z is 0-5; W is 0-4; and X is 0-4, with the proviso that together X and Y equal 4.

Claim 38

Dependent Claim 11 words

The laminated article of claim 32 wherein said diamine is bis(1,3-aminomethyl)cyclohexane.

Claim 39

Dependent Claim 21 words

The laminated article of claim 20 wherein said metal is selected from the group consisting of alkali metals, aluminum and zinc.

Claim 40

Dependent Claim 58 words

The laminated product of claim 22 wherein said organic diamine is selected from the group consisting of 1,3-diaminomethyl xylene, isophorone diamine and a monocyclic compound of the formula: ##STR5## wherein: R" and R'" represent hydrogen or lower alkyl; Z is 0-5; W is 0-4; and X is 0-4, with the proviso that together X and Y equal 4.

Claim 41

Dependent Claim 11 words

The laminated product of claim 35 wherein said diamine is bis(1,3-aminomethyl)cyclohexane.

Claim 42

Dependent Claim 74 words

A transparent laminated article comprising: a first lamina consisting essentially of a Mylar film a second lamina consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said resin being partially neutralized by an organic polyamine, and a sheet of transparent plastic material selected from the group consisting of polycarbonate, polyurethane and acrylic plastic.

Claim 43

Dependent Claim 74 words

A transparent laminated article comprising: a first lamina consisting essentially of a Mylar film a second lamina consisting essentially of an extruded ionomer resin film, said ionomer resin film being water insoluble and the metal salt of an ionomer resin prepared from ethylene and methacrylic acid monomers, said resin being partially neutralized by an organic polyamine, and a sheet of transparent plastic material selected from the group consisting of polycarbonate, polyurethane and acrylic plastic.

Claim 44

Dependent Claim 58 words

The laminated product of claim 37 wherein said organic polyamine is selected from the group consisting of 1,3-diaminomethyl xylene, isophorone diamine and a monocyclic compound of the formula: ##STR6## wherein: R" and R'" represent hydrogen or lower alkyl; Z is 0-5; W is 0-4; and X is 0-4, with the proviso that together X and Y equal 4.

Claim 45

Dependent Claim 11 words

The laminated article of claim 38 wherein said polyamine is bis(1,3-aminomethyl)cyclohexane.

Claim 46

Dependent Claim 21 words

The laminated article of claim 38, wherein said metal is selected from the group consisting of sodium, zinc and mixtures thereof.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-05-04	1990-11-03	1991-05-05	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-05-04	1994-11-03	1995-05-05	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-05-04	1998-11-03	1999-05-05	$7700.00	Window Closed / Lapsed

Laminated safety glass

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