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US4438235A Expired / Lapsed US ⏱️ 0.0 years remaining

Tertiary alkanolamines to increase viscosity of filled liquid polymers

Assignee: BASF Corp
•
Filing: 1982-09-30
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Granted: 1984-03-20
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Expires: 2002-09-30
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Abstract

Abstract Filled liquid, polyhydroxyl-containing polymers such as polyether and polyester polyols can be increased in viscosity by incorporating therein a tertiary alkanol monoamine.

Inventors

  • 👤 Bernardas Brizgys

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/6505; C08G18/6523; C08G18/6535; C08K3/00; C08K3/01; C08K3/013

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 135 words
A filled liquid polymer composition comprising a liquid polymer having a molecular weight of about 100 to about 2000 and containing at least two active hydrogen atoms as determined by the Zerewitinoff Method, an inorganic filler, selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a tertiary alkanolamine having in each chain 2 to about 8 carbon atoms, wherein said tertiary alkanolamine is selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 2
Dependent Claim 135 words
A filled liquid polymer composition comprising a liquid polymer having a molecular weight of about 100 to about 2000 and containing at least two active hydrogen atoms as determined by the Zerewitinoff Method, an inorganic filler, selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a tertiary alkanolamine having in each chain 2 to about 8 carbon atoms, wherein said tertiary alkanolamine is selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 3
Dependent Claim 37 words
The composition of claim 1 wherein said liquid polymer is selected from the group consisting of polyalkylene polyether polyols and polyalkylene polyester polyols and wherein said alkanolamine has in each chain 2 to about 5 carbon atoms.
Claim 4
Dependent Claim 14 words
The composition of claim 2 wherein said liquid polymer is a polyalkylene polyether polyol.
Claim 5
Dependent Claim 23 words
The composition of claim 3 wherein said tertiary alkanolamine is selected from the group consisting of at least one of triethanolamine and dimethylethanolamine.
Claim 6
Dependent Claim 25 words
The composition of claim 4 wherein said polyalkylene polyether polyol is prepared from at least one lower alkylene oxide having 2 to 6 carbon atoms.
Claim 7
Dependent Claim 29 words
The composition of claim 5 wherein said polyalkylene polyether polyol is derived from the reaction of 1,2-propylene oxide with propylene glycol and said inorganic filler is hydrated aluminum silicate.
Claim 8
Dependent Claim 29 words
The composition of claim 5 wherein said polyalkylene polyether polyol is derived from the reaction of 1,2-propylene oxide with propylene glycol and said inorganic filler is hydrated magnesium silicate.
Claim 9
Dependent Claim 132 words
A process for preparing a non-cellular polyurethane comprising reacting an organic polyisocyanate with a liquid polymer having a molecular weight of about 100 to about 2000 and containing at least two active hydrogen atoms, as determined by the Zerewitinoff Method, wherein said liquid polymer contains an inorganic filler, selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a tertiary alkanolamine selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 10
Dependent Claim 132 words
A process for preparing a non-cellular polyurethane comprising reacting an organic polyisocyanate with a liquid polymer having a molecular weight of about 100 to about 2000 and containing at least two active hydrogen atoms, as determined by the Zerewitinoff Method, wherein said liquid polymer contains an inorganic filler, selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a tertiary alkanolamine selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 11
Dependent Claim 138 words
A curable composition useful in the preparation of cellular and non-cellular polyurethanes comprising an organic polyisocyanate and a liquid polymer having a molecular weight of about 100 to about 2000 and containing at least two active hydrogen atoms per molecule, as determined by the Zerewitinoff Method, wherein said liquid polymer contains an inorganic filler selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a tertiary alkanolamine selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 12
Dependent Claim 138 words
A curable composition useful in the preparation of cellular and non-cellular polyurethanes comprising an organic polyisocyanate and a liquid polymer having a molecular weight of about 100 to about 2000 and containing at least two active hydrogen atoms per molecule, as determined by the Zerewitinoff Method, wherein said liquid polymer contains an inorganic filler selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a tertiary alkanolamine selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 13
Dependent Claim 102 words
A process for thickening and stabilizing a mixture of an inorganic filler selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a liquid polymer comprising adding thereto a tertiary alkanolamine selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 14
Dependent Claim 102 words
A process for thickening and stabilizing a mixture of an inorganic filler selected from the group consisting of calcium carbonate, hydrated aluminum silicate, hydrated magnesium silicate and titanium dioxide, said inorganic filler present in the amount of about 5 percent by weight to about 50 percent by weight, based on the weight of said liquid polymer and a liquid polymer comprising adding thereto a tertiary alkanolamine selected from the group consisting of alkyl dialkanolamine, dialkyl alkanolamine and trialkanolamine, said tertiary amine present in the amount of 0.1 percent to about 2 percent by weight based on the weight of said inorganic filler.
Claim 15
Dependent Claim 27 words
The process of claim 10 wherein said liquid polymer is a polyalkylene polyether or polyalkylene polyester polyol having a molecular weight of about 100 to about 2000.
Claim 16
Dependent Claim 19 words
The process of claim 11 wherein said tertiary alkanolamine is selected from the group consisting of triethanolamine and dimethylethanolamine.

References Cited (Backward Citations)

US4217422A Cited
US4304708A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-03-20 1987-09-19 1988-03-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-03-20 1991-09-19 1992-03-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-03-20 1995-09-19 1996-03-20 $7700.00 Window Closed / Lapsed

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