Patent US4634471A successfully refreshed from Google Patents.
US4634471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment product
Assignee: Flint Ink Corp
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Filing: 1985-04-29
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Granted: 1987-01-06
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Expires: 2005-04-29
Abstract
Abstract A method of producing a pigment-hydrophobic organic vehicle product which comprises: A. providing an emulsion which comprises: 1. an organic liquid selected from the group consisting of: (a) oleophilic resins (b) organic solvents and (c) mixtures thereof, 2. an emulsification agent and 3. water B. forming a water slurry of a pigment, C. admixing said emulsion with said pigment slurry, D. forcing said emulsion and pigment slurry mixture through a concentration zone and E. flushing said mixture with a hydrophillic organic vehicle.
Inventors
- 👤 Thomas E. Foye
- 👤 Edward K. Sasamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:37
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0021; C09D; C09D17/00; C09D17/003
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
82 words
A method of producing a pigment-hydrophobic organic vehicle product which comprises: A. providing an emulsion which comprises: 1. an organic liquid selected from the group consisting of: (a) oleophilic resins (b) organic solvents and (c) mixtures thereof, 2. an emulsification agent and 3. water B. forming a water slurry of a pigment, C. admixing said emulsion with said pigment slurry, D. forcing said emulsion and pigment slurry mixture through a concentration zone and E. flushing said mixture with a hydrophobic organic vehicle.
Claim 2
Independent Claim
82 words
A method of producing a pigment-hydrophobic organic vehicle product which comprises: A. providing an emulsion which comprises: 1. an organic liquid selected from the group consisting of: (a) oleophilic resins (b) organic solvents and (c) mixtures thereof, 2. an emulsification agent and 3. water B. forming a water slurry of a pigment, C. admixing said emulsion with said pigment slurry, D. forcing said emulsion and pigment slurry mixture through a concentration zone and E. flushing said mixture with a hydrophobic organic vehicle.
Claim 3
Dependent Claim
15 words
The process of claim 1 wherein said organic liquid (1) is an oleophilic resin (a).
Claim 4
Dependent Claim
15 words
The process of claim 1 wherein said organic liquid (1) is an organic solvent (b).
Claim 5
Dependent Claim
15 words
The process of claim 1 wherein said concentration zone is defined by a filter press.
Claim 6
Dependent Claim
15 words
The process of claim 4 wherein said organic liquid (1) is an oleophilic resin (a).
Claim 7
Dependent Claim
15 words
The process of claim 4 wherein said organic liquid (1) is an organic solvent (b).
Claim 8
Dependent Claim
75 words
The process of claim 4 wherein said emulsion and organic pigment slurry are mixed for about 0.25 hour to 2 hours, and said emulsion comprises about 50 to 90 percent water, about 0 to 40 percent of said resin, about 0 to 40 percent of said solvent, and about 0.05 to 0.5 percent of said emulsification agent, said emulsion containing a minimum of 2.0 percent of said resin or said solvent or mixture of both.
Claim 9
Dependent Claim
26 words
The process of claim 7 wherein said organic liquid (1) is an oleophillic resin (a) in an amount of about 10 to 40 percent by weight.
Claim 10
Dependent Claim
26 words
The process of claim 7 wherein said organic liquid (1) is an organic solvent (b) in an amount of about 10 to 40 percent by weight.
Claim 11
Dependent Claim
71 words
The process of claim 7 wherein said emulsion pigment slurry mixture prior to passage thru said concentration zone comprises about 70 to 98.5 percent water, about 0 to 20 percent resin, about 0 to 20 percent solvent, about 0.0015 to 0.3 percent emulsification agent and about 0.5 to 10 percent pigment, the composition containing at least about 2.0 percent by weight of said resin or said solvent or mixture of both.
Claim 12
Dependent Claim
15 words
The process of claim 10 wherein said organic liquid (1) is an oleophillic resin (a).
Claim 13
Dependent Claim
15 words
The process of claim 10 wherein said organic liquid (1) is an organic solvent (b).
Claim 14
Dependent Claim
23 words
The process of claim 10 wherein said organic liquid (1) is a mixture of an oleophilic resin (a) and an organic solvent (b).
References Cited (Backward Citations)
US2525835A
Cited
US4340431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-05 | 1990-07-07 | 1991-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-05 | 1994-07-07 | 1995-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-05 | 1998-07-07 | 1999-01-06 | $7700.00 | Window Closed / Lapsed |