Patent US3607813A successfully refreshed from Google Patents.
US3607813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink compositions
Assignee: Union Carbide Corp
•
Filing: 1969-09-05
•
Granted: 1971-09-21
•
Expires: 1989-09-05
Abstract
Abstract Printing ink compositions having excellent gloss, adhesion and scuff resistance on such substrates as paper, treated polyethylene, aluminum or glass have been formulated from inorganic salts of interpolymers of ethylene and an acrylic acid and pigments.
Inventors
- 👤 Chester L Purcell
- 👤 John B Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:10
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; C09D11/107
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
24 words
Composition claimed in claim 1 wherein the acrylic acid salt moiety content comprises about 3 to 25 mole percent of the total interpolymer salt.
Claim 2
Dependent Claim
14 words
Composition claimed in claim 1 wherein the monovalent cation is an alkali metal cation.
Claim 3
Dependent Claim
12 words
Composition claimed in claim 3 wherein the monovalent cation is Na .
Claim 4
Dependent Claim
12 words
Composition claimed in claim 1 wherein the monovalent cation is NH4 .
Claim 5
Dependent Claim
17 words
Composition claimed in claim 1 wherein the polymer salt contains both alkali metal cations and NH4 .
Claim 6
Dependent Claim
11 words
Composition claimed in claim 1 wherein the pigment is Hansa yellow.
Claim 7
Dependent Claim
11 words
Composition cLaimed in claim 1 wherein the pigment is phthalocyanine blue.
Claim 8
Dependent Claim
11 words
Composition claimed in claim 1 wherein the pigment is titanium dioxide.
Claim 9
Dependent Claim
11 words
Composition claimed in claim 1 wherein the aliphatic alcohol is ethanol.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |