Patent US525048A successfully refreshed from Google Patents.
Patent EP0099682A2 successfully refreshed from Google Patents.
EP0099682A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Ink jet ink composition
Assignee: Cessione dataproducts Corp
•
Filing: 1983-07-01
•
Granted: —
•
Expires: 2003-07-01
Abstract
Abstract A non-aqueous ink jet ink composition suitable for being discharged from an ink jet apparatus at a temperature above ambient, comprises stearic acid. The composition preferably also contains oleic acid and/or a dye. The stearic acid is in waxy form and other natural and/or synthetic waxes may also be present.
Inventors
- 👤 An-Chung Robert Lin
- 👤 Richard George Whitfield
- 👤 Theodore Michael Cooke
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 11:11
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/34
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
28 words
A non-aqueous ink jet ink composition which is suitable for being discharged from an ink jet apparatus at a temperature above ambient temperature, characterised by containing stearic acid.
Claim 2
Dependent Claim
28 words
A non-aqueous ink jet ink composition which is suitable for being discharged from an ink jet apparatus at a temperature above ambient temperature, characterised by containing stearic acid.
Claim 3
Dependent Claim
26 words
An ink jet ink composition as claimed in claim 1, wherein the stearic acid is contained in a weight percentage range of from 50.0 to 99.0.
Claim 4
Dependent Claim
30 words
An ink jet ink composition as claimed in claim 1 or claim 2, wherein the stearic acid is present in the form of a wax or a mixture of waxes.
Claim 5
Dependent Claim
20 words
An ink jet ink composition as claimed in claim 3, wherein the composition comprises a chemically modified or compounded wax.
Claim 6
Dependent Claim
28 words
An ink jet ink composition as claimed in any one of claims 1 to 3, wherein the composition comprises a natural wax in combination with said stearic acid.
Claim 7
Dependent Claim
24 words
An ink jet ink composition as claimed in claim 5, wherein the natural wax is selected from Japan wax, candelilla wax, and carnauba wax.
Claim 8
Dependent Claim
18 words
An ink jet ink composition as claimed in any preceding claim, wherein the composition further contains oleic acid.
Claim 9
Dependent Claim
23 words
An ink jet ink composition as claimed in any preceding claim, wherein the composition further contains at least one dye or coloring agent.
Claim 10
Dependent Claim
35 words
An ink jet ink composition as claimed in any preceding claim, wherein the composition has a maximum viscosity of 35 x 10 -3 P a.s at a temperature in the range of 40°C to 90°C.
Claim 11
Independent Claim
31 words
A method of ink jet printing employing an ink jet printer from which ink is discharged at above ambient temperature, characterised by employing an ink composition defined in any preceding claim.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.