US3776758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric flexographic ink
Assignee: ChampionX LLC
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Filing: 1971-10-18
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Granted: 1973-12-04
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Expires: 1991-10-18
Abstract
Abstract A rapid drying flexographic ink consisting of: A. ABOUT 40 PERCENT BY WEIGHT OF AN INORGANIC PIGMENT; B. 40 - 45 PERCENT BY WEIGHT OF A POLYMER SOLUTION/EMULSION CONSISTING OF A STYRENE/BUTADIENE/ACROLEIN/ACRYLIC ACID (SBAA) tetrapolymer (30 - 40 percent by weight solids) containing as a predispersant additive 5 - 15 percent by weight of a polyacrylate; and C. THE BALANCE INERT DILUENT SELECTED FROM THE GROUP CONSISTING OF WATER AND LOWER ALKANOLS.
Inventors
- 👤 D Epple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:09
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
37 words
The process according to claim 1 wherein the SBAA polymer, the reactant formulations by weight, respectively, of the components are: Styrene - 45-75 percent Butadiene - 15-45 percent Acrolein - 5-15 percent Acrylic Acid - 1-2 percent
Claim 2
Dependent Claim
38 words
The process according to claim 1 wherein the SBAA polymer, the reactant formulations bY weight, respectively, of the components are about: Styrene - 60 percent Butadiene - 29 percent Acrolein - 10 percent Acrylic Acid - 1 percent
Claim 3
Dependent Claim
15 words
The process according to claim 1 wherein the diluent is selected from water and isopropanol.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |