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US5124384A Expired / Lapsed US ⏱️ 0.0 years remaining

Transparent caulks containing fumed silica

Assignee: Air Products and Chemicals Inc
•
Filing: 1990-11-16
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Granted: 1992-06-23
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Expires: 2010-11-16
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Abstract

Abstract In a sealant composition comprising a polymer latex, filler, plasticizer, silane adhesion promoter, and fumed silica, the improvement which comprises as the plasticizer a C1-C8 alkyl aryl phthalate, an N-(C1-C8)alkyl arylsulfonamide, or mixtures thereof.

Inventors

  • 👤 Joel E. Goldstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:02
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08K5/36; C08K5/43; C09D; C09D5/00; C09D5/34; C09K2200/00; C09K2200/02; C09K2200/0243; C09K2200/0247; C09K2200/04; C09K2200/0494; C09K2200/06; C09K2200/0615; C09K2200/0617; C09K2200/062; C09K2200/0622; C09K2200/0625; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 47 words
In a sealant composition comprising a polymer latex and fumed silica, the improvement which comprises 2 to 10 wt % of a plasticizer which is a C 1 -C 8 alkyl aryl diester of phthalic acid, an N-(C 1 -C 8 )alkyl arylsulfonamide or a mixture thereof.
Claim 2
Dependent Claim 47 words
In a sealant composition comprising a polymer latex and fumed silica, the improvement which comprises 2 to 10 wt % of a plasticizer which is a C 1 -C 8 alkyl aryl diester of phthalic acid, an N-(C 1 -C 8 )alkyl arylsulfonamide or a mixture thereof.
Claim 3
Dependent Claim 25 words
The sealant composition of claim 1 in which the alkyl aryl ester of phthalic acid is butyl benzylphthalate, ethyl benzylphthalate, hexyl phenylphthalate, or ethylhexyl phenylphthalate.
Claim 4
Dependent Claim 18 words
The sealant composition of claim 1 in which the alkyl aryl ester of phthalic acid is butyl benzylphthalate.
Claim 5
Dependent Claim 21 words
The sealant composition of claim 1 in which the N-alkyl arylsulfonamide is N-n-butyl benzenesulfonamide, N-n-butyl toluenesulfonamide, N-ethyl benzenesulfonamide, or N-iso-butyl benzylsulfonamide.
Claim 6
Dependent Claim 14 words
The sealant composition of claim 1 in which the N-alkyl arylsulfonamide is N-n-butyl benzenesulfonamide.
Claim 7
Dependent Claim 39 words
In a sealant composition comprising a polymer latex, plasticizer, silane adhesion promoter, and fumed silica, the improvement which comprises as the plasticizer a C 1 -C 8 alkyl arylphthalate, an N-(C 1 -C 8 )alkyl arylsulfonamide, or mixtures thereof.
Claim 8
Dependent Claim 39 words
In a sealant composition comprising a polymer latex, plasticizer, silane adhesion promoter, and fumed silica, the improvement which comprises as the plasticizer a C 1 -C 8 alkyl arylphthalate, an N-(C 1 -C 8 )alkyl arylsulfonamide, or mixtures thereof.
Claim 9
Dependent Claim 18 words
The sealant composition of claim 6 in which the plasticizer is a C 1 -C 8 alkyl arylphthalate.
Claim 10
Dependent Claim 13 words
The sealant composition of claim 7 in which the plasticizer is butyl benzylphthalate.
Claim 11
Dependent Claim 18 words
The sealant composition of claim 6 in which the plasticizer is an N-(C 1 -C 8 )alkyl arylsulfonamide.
Claim 12
Dependent Claim 13 words
The sealant composition of claim 9 in which the plasticizer is N-n-butyl benzenesulfonamide.
Claim 13
Dependent Claim 53 words
A caulking composition consisting essentially of the following ingredients on wt % basis: Polymer latex (solids basis): 80-93 Plasticizer: 2-10 Silane adhesion promoter: 0.3-1.5 Fumed silica: 0.2-5 Surfactant: 0.2-1 Thickener: 0-5 wherein the plasticizer is a C 1 -C 8 alkyl arylphthalate, an N-(C 1 -C 8 ) alkyl arylsulfonamide, or mixtures thereof.
Claim 14
Dependent Claim 53 words
A caulking composition consisting essentially of the following ingredients on wt % basis: Polymer latex (solids basis): 80-93 Plasticizer: 2-10 Silane adhesion promoter: 0.3-1.5 Fumed silica: 0.2-5 Surfactant: 0.2-1 Thickener: 0-5 wherein the plasticizer is a C 1 -C 8 alkyl arylphthalate, an N-(C 1 -C 8 ) alkyl arylsulfonamide, or mixtures thereof.
Claim 15
Dependent Claim 21 words
The caulking composition of claim 11 in which the alkyl arylphthalate is butyl benzylphthalate, ethyl benzylphthalate, hexyl phenylphthalate, or ethylhexyl phenylphthalate.
Claim 16
Dependent Claim 15 words
The caulking composition of claim 11 in which the alkyl arylo phthalate is butyl benzylphthalate.
Claim 17
Dependent Claim 21 words
The caulking composition of claim 11 in which the N-alkyl arylsulfonamide is N-n-butyl benzenesulfonamide, N-n-butyl toluenesulfonamide, N-ethyl benzenesulfonamide, or N-iso-butyl benzylsulfonamide.
Claim 18
Dependent Claim 14 words
The caulking composition of claim 11 in which the N-alkyl arylsulfonamide is N-n-butyl benzenesulfonamide.
Claim 19
Dependent Claim 26 words
The caulking composition of claim 11 in which Polymer latex (solids basis): 85-92 Plasticizer: 4-7 Silane adhesion promote: 0.7-1.1 Fumed silica: 0.4-3 Surfactant 0.5-0.8 Thickener: 2.5-4.
Claim 20
Dependent Claim 18 words
The caulking composition of claim 16 in which the plasticizer is a C 1 -C 8 alkyl arylphthalate.
Claim 21
Dependent Claim 14 words
The caulking composition of claim 17 in which the alkyl arylphthalate is butyl benzylphthalate.
Claim 22
Dependent Claim 19 words
The caulking composition of claim 16 in which the plasticizer is an N-(C 1 -C 8 ) alkyl arylsulfonamide.
Claim 23
Dependent Claim 14 words
The caulking composition of claim 19 in which the N-alkyl arylsulfonamide is N-n-butyl benzenesulfonamide.

References Cited (Backward Citations)

US4340524A Cited
US4626567A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-06-23 1995-12-23 1996-06-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-06-23 1999-12-23 2000-06-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-06-23 2003-12-23 2004-06-23 $7700.00 Window Closed / Lapsed

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