Patent US4612052A successfully refreshed from Google Patents.
US4612052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexographic ink composition
Assignee: 3M Co
•
Filing: 1985-01-23
•
Granted: 1986-09-16
•
Expires: 2005-01-23
Abstract
Abstract Ink composition comprising a conventional flexographic ink stock, a wax, and a chlorinated polyolefin. This ink composition can be used to print webs, e.g. tapes, bearing a low adhesion backsize on one major surface thereof and a pressure-sensitive adhesive on the other major surface thereof.
Inventors
- 👤 Mark E. Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:04
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
58 words
Flexographic ink composition comprising from about 10 to about 30 percent by weight resinous binder, from about 5 to about 10 percent by weight coloring agent, from about 4 to about 7 percent by weight wax, from about 3 to about 12 percent by weight chlorinated polyolefin, and from about 55 to about 75 percent by weight solvent.
Claim 2
Dependent Claim
58 words
Flexographic ink composition comprising from about 10 to about 30 percent by weight resinous binder, from about 5 to about 10 percent by weight coloring agent, from about 4 to about 7 percent by weight wax, from about 3 to about 12 percent by weight chlorinated polyolefin, and from about 55 to about 75 percent by weight solvent.
Claim 3
Dependent Claim
74 words
The composition of claim 1 wherein said wax is selected from the group consisting of aliphatic alcohols having at least 10 carbon atoms, fatty acids having at least 12 carbon atoms, fatty amides having at least 12 carbon atoms, fatty acid esters having at least 13 carbon atoms, symmetrical ketones derived from fatty acids having at least 12 carbon atoms, metal salts of fatty acids having at least 12 carbon atoms, and fluorocarbon polymers.
Claim 4
Dependent Claim
21 words
The composition of claim 1 wherein said chlorinated polyolefin comprises from about 4 to about 5 weight percent of the composition.
Claim 5
Dependent Claim
20 words
The composition of claim 1 wherein said wax comprises from about 5 to about 6 weight percent of the composition.
Claim 6
Dependent Claim
80 words
The composition of claim 1 wherein said resinous binder comprises from about 15 to about 20 weight percent of the composition, said coloring agent comprises from about 6 to about 8 weight percent of the composition, said wax comprises from about 5 to about 6 weight percent of the composition, said chlorinated polyolefin comprises from about 4 to about 5 weight percent of the composition, and said solvent comprises from about 60 to about 70 weight percent of the composition.
Claim 7
Dependent Claim
25 words
The composition of claim 1 wherein said chlorinated polyolefin is selected from the group consisting of chlorinated polyethylene, chlorinated polypropylene, chlorinated polybutylene, and mixtures thereof.
Claim 8
Dependent Claim
74 words
The composition of claim 1 wherein said wax is selected from the group consisting of aliphatic alcohols having at least 10 carbon atoms, fatty acids having at least 12 carbon atoms, metal salts of fatty acids having at least 12 carbon atoms, symmetrical ketones derived from fatty acids having at least 12 carbon atoms, fatty amides having at least 12 carbon atoms, fatty acid esters having at least 13 carbon atoms, and fluorocarbon polymers.
Claim 9
Dependent Claim
82 words
The composition of claim 1 wherein said chlorinated polyolefin is selected from the group consisting of chlorinated polyethylene, chlorinated polypropylene, chlorinated polybutylene, and mixtures thereof and said wax is selected from the group consisting of aliphatic alcohols having at least 10 carbon atoms, fatty acids having at least 12 carbon atoms, metal salts of fatty acids having at least 12 carbon atoms, fatty amides having at least 12 carbon atoms, fatty acid esters having at least 13 carbon atoms, and fluorocarbon polymers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-09-15 | 1990-03-17 | 1990-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-15 | 1994-03-17 | 1994-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-15 | 1998-03-17 | 1998-09-16 | $7700.00 | Window Closed / Lapsed |