US3963501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing anti-mist compounds for printing inks and process for preparing printing inks containing same
Assignee: Garlock Inc
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Filing: 1974-07-30
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Granted: 1976-06-15
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Expires: 1994-07-30
Abstract
Abstract Anti-mist compounds adapted to inhibit the misting tendencies of printing inks on high speed printing presses are prepared by mixing chrysotile particles having an average particle size exceeding about 0.01 inch and preferably ranging from 0.1 inch to about 0.5 inch, with a printing ink vehicle to provide a mixture in which the particles of chrysotile are wetted by the vehicle and which preferably contains above about 20% by weight of chrysotile. The mixture is sheared, as on a three roller mill for example, to grind the chrysotile into micro-fibrous particles and to distribute the micro-fibrous particles uniformly throughout the vehicle. By employing chrysotile particles having the aforesaid particle size range, workable compound mixtures containing 35% or more by weight of chrysotile may be obtained. The compound mixtures produced are useful to inhibit the misting tendencies of printing inks without causing flatting or emulsification of the ink, and without appreciably affecting ink viscosity.
Inventors
- 👤 Norbert G. Zalesky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:04
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
102 words
A process for producing an anti-mist compound adapted for addition to a printing ink to inhibit the misting of said printing ink on a printing press, which comprises: mixing chrysotile particles having an average size exceeding about 0.1 inch with an organic printing ink vehicle to provide a mixture in which said particles are wetted with said vehicle, and milling said mixture simultaneously to grind said particles into micro-fibrous particles having a particle size of 10 microns or less and to disperse said micro-fibrous particles uniformly throughout said vehicle to provide an anti-mist compound including at least 25% by weight of chrysotile.
Claim 2
Dependent Claim
102 words
A process for producing an anti-mist compound adapted for addition to a printing ink to inhibit the misting of said printing ink on a printing press, which comprises: mixing chrysotile particles having an average size exceeding about 0.1 inch with an organic printing ink vehicle to provide a mixture in which said particles are wetted with said vehicle, and milling said mixture simultaneously to grind said particles into micro-fibrous particles having a particle size of 10 microns or less and to disperse said micro-fibrous particles uniformly throughout said vehicle to provide an anti-mist compound including at least 25% by weight of chrysotile.
Claim 3
Dependent Claim
28 words
The process of claim 1 in which the chrysotile particles which are mixed with said vehicle initially have an average particle size of up to about 0.5 inch.
Claim 4
Dependent Claim
23 words
The process of claim 1 in which said micro-fibrous particles of chrysotile comprise up to about 35% by weight of said anti-mist compound.
Claim 5
Dependent Claim
30 words
The process of claim 1 in which the chrysotile particles which are mixed with said vehicle initially have an average particle size ranging from about 0.1 to about 0.25 inch.
Claim 6
Dependent Claim
28 words
The process of claim 1 in which said printing ink vehicle is characterized by an absolute viscosity of from about 10 to about 110 poises at 25° C.
Claim 7
Dependent Claim
60 words
The process of claim 1 in which said chrysotile particles have an average particle size of from about 0.1 inch to about 0.25 inch and are admixed with a printing ink vehicle characterized by an absolute viscosity of from about 10 to about 110 poises at 25°C. to provide an anti-mist compound comprising at least 25% by weight of chrysotile.
Claim 8
Dependent Claim
102 words
The process of improving the anti-mist characteristics of a printing ink which comprises: mixing with said printing ink an anti-mist compound in an amount sufficient to inhibit the misting of said ink, said anti-mist compound formed by mixing chrysotile particles having an average size exceeding 0.1 inch with an organic printing ink vehicle compatible with said printing ink to provide a mixture in which said particles are wetted with said vehicle, and milling said mixture simultaneously to grind said particles into micro-fibrous particles having a particle size of 10 microns or less and to disperse said micro-fibrous particles uniformly throughout said vehicle.
Claim 9
Dependent Claim
102 words
The process of improving the anti-mist characteristics of a printing ink which comprises: mixing with said printing ink an anti-mist compound in an amount sufficient to inhibit the misting of said ink, said anti-mist compound formed by mixing chrysotile particles having an average size exceeding 0.1 inch with an organic printing ink vehicle compatible with said printing ink to provide a mixture in which said particles are wetted with said vehicle, and milling said mixture simultaneously to grind said particles into micro-fibrous particles having a particle size of 10 microns or less and to disperse said micro-fibrous particles uniformly throughout said vehicle.
Claim 10
Dependent Claim
144 words
A process for improving the anti-mist characteristics of a printing ink comprising a coloring agent dispersed in a printing ink vehicle, which comprises: mixing chrysotile particles having an average particle size exceeding about 0.1 inch with an organic vehicle compatible with said printing ink to provide a compound mixture in which said chrysotile particles are wetted with said vehicle, milling said mixture simultaneously to grind said chrysotile particles into micro-fibrous particles having a particle size of 10 microns or less and to disperse said micro-fibrous particles uniformly throughout said organic vehicle to provide an anti-mist compound including at least about 20% by weight of said chrysotile, and dispersing said anti-mist compound into said printing ink in an amount sufficient to inhibit the misting of said ink on a printing press, the weight of said chrysotile not exceeding about 3% by weight of said ink.
Claim 11
Dependent Claim
144 words
A process for improving the anti-mist characteristics of a printing ink comprising a coloring agent dispersed in a printing ink vehicle, which comprises: mixing chrysotile particles having an average particle size exceeding about 0.1 inch with an organic vehicle compatible with said printing ink to provide a compound mixture in which said chrysotile particles are wetted with said vehicle, milling said mixture simultaneously to grind said chrysotile particles into micro-fibrous particles having a particle size of 10 microns or less and to disperse said micro-fibrous particles uniformly throughout said organic vehicle to provide an anti-mist compound including at least about 20% by weight of said chrysotile, and dispersing said anti-mist compound into said printing ink in an amount sufficient to inhibit the misting of said ink on a printing press, the weight of said chrysotile not exceeding about 3% by weight of said ink.
Claim 12
Dependent Claim
28 words
The process of claim 8 in which said chrysotile particles which are mixed with said organic vehicle initially have an average particle size up to about 0.5 inch.
Claim 13
Dependent Claim
31 words
The process of claim 8 in which said chrysotile particles which are mixed with said organic vehicle initially have an average particle size from about 0.1 inch to about 0.25 inch.
Claim 14
Dependent Claim
26 words
The process of claim 8 in which said organic vehicle is characterized by an absolute viscosity of from about 10 to about 110 poises at 25°C.
Claim 15
Dependent Claim
65 words
The process of claim 8 wherein said chrysotile particles which are mixed with said organic vehicle initially have an average particle size of from about 0.1 inch to about 0.25 inch and said organic vehicle is characterized by an absolute viscosity of from about 10 to about 110 poises at 25°C. to provide a compound mixture containing at least 25% by weight of said chrysotile.
References Cited (Backward Citations)
US1553914A
Cited
US2142667A
Cited
US2354979A
Cited
US2739067A
Cited
US2866711A
Cited
US3015632A
Cited
US3547669A
Cited
US3838085A
Cited
US3849143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-15 | 1979-12-15 | 1980-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-15 | 1983-12-15 | 1984-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-15 | 1987-12-15 | 1988-06-15 | $7700.00 | Window Closed / Lapsed |