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US4191670A Expired / Lapsed US ⏱️ 0.0 years remaining

Surface-treated mineral filler

Assignee: Omya AG
•
Filing: 1978-05-30
•
Granted: 1980-03-04
•
Expires: 1998-05-30
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Abstract

Abstract Mineral filler surface treated with a mixture of saturated and unsaturated aliphatic acids, and use thereof.

Inventors

  • 👤 Dieter Strauch
  • 👤 Rudiger Werner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 08:55
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/08; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84

Claims Analysis

Total Claims: 37
Claim 1
Independent Claim 61 words
Surface-treated mineral filler characterized by the fact that the filler is surface treated with a mixture of saturated and unsaturated aliphatic carboxylic fatty acids, having from about 6 to 22 carbon atoms, and wherein said mixture contains about 10 to about 35% by weight of said unsaturated acid and from about 65 to about 90% by weight of said unsaturated acid.
Claim 2
Dependent Claim 61 words
Surface-treated mineral filler characterized by the fact that the filler is surface treated with a mixture of saturated and unsaturated aliphatic carboxylic fatty acids, having from about 6 to 22 carbon atoms, and wherein said mixture contains about 10 to about 35% by weight of said unsaturated acid and from about 65 to about 90% by weight of said unsaturated acid.
Claim 3
Dependent Claim 23 words
The surface-treated mineral filler of claim 1 wherein 99.4% by weight is said filler and 0.6% by weight is said surfact treatment agent.
Claim 4
Dependent Claim 19 words
The surface-treated mineral filler of claim 1 wherein said acids have from about 12 to about 20 carbon atoms.
Claim 5
Dependent Claim 19 words
The surface-treated mineral filler of claim 1 wherein said acids have from about 16 to about 18 carbon atoms.
Claim 6
Dependent Claim 41 words
The surface-treated mineral filler of claim 1 wherein said filler is surface treated with a fatty acid mixture selected from the groups of safflower oil fatty acids, soybean oil fatty acids, poppyseed oil fatty acids, and sunflower seed oil fatty acids.
Claim 7
Dependent Claim 15 words
The surface-treated mineral filler of claim 1 wherein said mixture is soybean oil fatty acids.
Claim 8
Dependent Claim 32 words
The surface-treated mineral filler of claim 1 wherein said mixture contains the following in percent by weight: 53% linoleic, 24.0% oleic acid, 12.0% palmitic acid, 6.0% stearic acid, and 5.0% linolenic acid.
Claim 9
Dependent Claim 60 words
The surface-treated mineral filler of claim 1 wherein said mixture contains about 5 to about 20% by weight of palmitic acid, about 5 to 15% by weight of stearic acid, about 20 to about 50% by weight of oleic acid, about 30 to about 70% by weight of linoleic acid, and 0 to about 10% by weight of linolenic acid.
Claim 10
Dependent Claim 26 words
The surface-treated mineral filler of claim 1 wherein said filler is selected from the group consisting of natural fillers, precipitated filler, pyrolytic fillers, and mixtures thereof.
Claim 11
Dependent Claim 29 words
The surface-treated mineral filler of claim 1 wherein said filler is selected from the group consisting of calcium carbonate, dolomite, kaolin, barium-sulfate, mica, talcum, quartz dust, and mixtures thereof.
Claim 12
Dependent Claim 13 words
The surface-treated mineral filler of claim 1 wherein said filler is marble dust.
Claim 13
Dependent Claim 18 words
The surface-treated mineral filler of claim 1 wherein said filler has a particle size range of 0.1-100 microns.
Claim 14
Dependent Claim 20 words
The surface-treated mineral filler of claim 1 wherein said filler has a particle size in the range of 0.5-25 microns.
Claim 15
Dependent Claim 23 words
The surface-treated mineral filler of claim 1 wherein 90.0-99.9% by weight is said filler and 0.1-10.0% by weight is said surface treatment agent.
Claim 16
Dependent Claim 23 words
The surface-treated mineral filler of claim 1 wherein 99.4-99.9% by weight is said filler and 0.1-0.6% by weight is said surface treatment agent.
Claim 17
Dependent Claim 37 words
Method for making a surface-treated mineral filler of claim 1 wherein the filler is ground up in the presence of a dispersing agent in a mill with microgrinding bodies in the presence of said surface treatment agent.
Claim 18
Dependent Claim 35 words
The method for making the surface-treated mineral filler of claim 1 wherein the filler is made by grinding and the surface treatment agent is subsequently added by spraying or by fluid mixing or by both.
Claim 19
Dependent Claim 72 words
A watery paint system which contains a binder and a surface-treated mineral filler characterized by the fact that the filler is surface treated with a mixture of saturated and unsaturated aliphatic carboxylic fatty acids having from about 6 to about 22 carbon atoms, and wherein said mixture contains about 10 to about 35% by weight of said saturated acid and from about 65 to about 90% by weight of said unsaturated acid.
Claim 20
Dependent Claim 72 words
A watery paint system which contains a binder and a surface-treated mineral filler characterized by the fact that the filler is surface treated with a mixture of saturated and unsaturated aliphatic carboxylic fatty acids having from about 6 to about 22 carbon atoms, and wherein said mixture contains about 10 to about 35% by weight of said saturated acid and from about 65 to about 90% by weight of said unsaturated acid.
Claim 21
Dependent Claim 79 words
The paint system of claim 18 wherein said binder includes a polymer which is polyvinylacetate, or acrylate polymer, or copolymer of vinyl acetate and ester of acrylic acid, or copolymer of vinyl acetate and vinyl ester of versatic acid, or copolymer of vinyl propionate and ester of acrylic acid, or copolymer of styrene and ester of acrylic acid, or copolymer of styrene and butadiene or terpolymer of vinyl acetate, vinyl ester of versatic acid and ester of acrylic acid.
Claim 22
Dependent Claim 18 words
The paint system of claim 18 wherein said acids have from about 12 to about 20 carbon atoms.
Claim 23
Dependent Claim 18 words
The paint system of claim 18 wherein said acids have from about 16 to about 18 carbon atoms.
Claim 24
Dependent Claim 40 words
The paint system of claim 18 wherein said filler is surface treated with a fatty acid mixture selected from the groups of safflower oil fatty acids, soybean oil fatty acids, poppyseed oil fatty acids, and sunflower seed oil fatty acids.
Claim 25
Dependent Claim 14 words
The paint system of claim 18 wherein said mixture is soybean oil fatty acids.
Claim 26
Dependent Claim 31 words
The paint system of claim 18 wherein said mixture contains the following in percent by weight: 53% linoleic, 24.0% oleic acid, 12.0% palmitic acid, 6.0% stearic acid, and 5.0% linolenic acid.
Claim 27
Dependent Claim 59 words
The paint system of claim 18 wherein said mixture contains about 5 to about 20% by weight of palmitic acid, about 5 to 15% by weight of stearic acid, about 20 to about 50% by weight of oleic acid, about 30 to about 70% by weight of linoleic acid, and 0 to about 10% by weight of linolenic acid.
Claim 28
Dependent Claim 24 words
The paint system of claim 18 wherein said filler is selected from the group of natural fillers, precipitated filler, pyrolytic fillers, and mixtures thereof.
Claim 29
Dependent Claim 27 words
The paint system of claim 18 wherein said filler is selected from the group of calcium carbonate, dolomite, kaolin, barium-sulfate, mica, talcum, quartz dust, and mixtures thereof.
Claim 30
Dependent Claim 12 words
The paint system of claim 18 wherein said filler is marble dust.
Claim 31
Dependent Claim 17 words
The paint system of claim 18 wherein said filler has a particle size range of 0.1-100 microns.
Claim 32
Dependent Claim 19 words
The paint system of claim 18 wherein said filler has a particle size in the range of 0.5-25 microns.
Claim 33
Dependent Claim 22 words
The paint system of claim 18 wherein 90.0-99.9% by weight is said filler and 0.1-10.0% by weight is said surface treatment agent.
Claim 34
Dependent Claim 22 words
The paint system of claim 18 wherein 99.4-99.9% by weight is said filler and 0.1-0.6% by weight is said surface treatment agent.
Claim 35
Dependent Claim 22 words
The paint system of claim 18 wherein 99.4% by weight is said filler and 0.6% by weight is said surface treatment agent.
Claim 36
Dependent Claim 13 words
The paint system of claim 18 wherein said system is an emulsion paint.
Claim 37
Dependent Claim 20 words
The paint system of claim 18 wherein said emulsion paint is based on a polymer of styrene and an acrylate.

References Cited (Backward Citations)

US1832417A Cited
US1946052A Cited
GB432032A Cited
US2077167A Cited
GB452734A Cited
US2668749A Cited
FR1047087A Cited
US3940385A Cited
US3308078A Cited
US3547847A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-03-04 1983-09-03 1984-03-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-03-04 1987-09-03 1988-03-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-03-04 1991-09-03 1992-03-04 $7700.00 Window Closed / Lapsed

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