← Back to Patent Explorer
US5254157A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording solution containing a compound obtained by alkylation or acetylation of a triol

Assignee: Canon Inc
•
Filing: 1991-08-22
•
Granted: 1993-10-19
•
Expires: 2011-08-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A recording solution including a coloring matter and a liquid medium, wherein said recording solution contains a compound obtained by alkylation or acetylation of one or two hydroxyl group(s) of a triol having 4 or more carbon atoms.

Inventors

  • 👤 Shoji Koike
  • 👤 Kyoko Fukushima
  • 👤 Koromo Shirota

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:09
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 36 words
A recording solution comprising a coloring matter and a liquid medium, wherein said recording solution contains a compound obtained by alkylation of one or two hydroxyl group(s) of a triol having 4 or more carbon atoms.
Claim 2
Dependent Claim 36 words
A recording solution comprising a coloring matter and a liquid medium, wherein said recording solution contains a compound obtained by alkylation of one or two hydroxyl group(s) of a triol having 4 or more carbon atoms.
Claim 3
Dependent Claim 16 words
The recording solution according to claim 1, wherein said compound has 4 to 10 carbon atoms.
Claim 4
Dependent Claim 16 words
The recording solution according to claim 1, wherein said compound has 4 to 7 carbon atoms.
Claim 5
Dependent Claim 33 words
The recording solution according to claim 1, wherein said compound is contained in an amount of from 0.01% by weight to 80% by weight based on the total weight of the recording solution.
Claim 6
Dependent Claim 34 words
The recording solution according to claim 1, wherein said coloring matter is contained in an amount of from 0.2% by weight to 20% by weight based on the total weight of the recording solution.
Claim 7
Dependent Claim 10 words
The recording solution according to claim 1, further comprising water.
Claim 8
Dependent Claim 15 words
The recording solution according to claim 1, further comprising water and a water-soluble organic solvent.
Claim 9
Dependent Claim 36 words
A recording solution comprising a coloring matter and a liquid medium, wherein said recording solution contains a compound obtained by acetylation of one or two hydroxyl group(s) of a triol having 4 or more carbon atoms.
Claim 10
Dependent Claim 36 words
A recording solution comprising a coloring matter and a liquid medium, wherein said recording solution contains a compound obtained by acetylation of one or two hydroxyl group(s) of a triol having 4 or more carbon atoms.
Claim 11
Dependent Claim 16 words
The recording solution according to claim 8, wherein said compound has 4 to 10 carbon atoms.
Claim 12
Dependent Claim 16 words
The recording solution according to claim 8, wherein said compound has 4 to 7 carbon atoms.
Claim 13
Dependent Claim 33 words
The recording solution according to claim 8, wherein said compound is contained in an amount of from 0.01% by weight to 80% by weight based on the total weight of the recording solution.
Claim 14
Dependent Claim 34 words
The recording solution according to claim 8, wherein said coloring matter is contained in an amonnt of from 0.2% by weight to 20% by weight based on the total weight of the recording solution.
Claim 15
Dependent Claim 10 words
The recording solution according to claim 8, further comprising water.
Claim 16
Dependent Claim 15 words
The recording solution according to claim 8, further comprising water and a water-soluble organic solvent.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-10-18 1997-04-19 1997-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-10-18 2001-04-19 2001-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-10-18 2005-04-19 2005-10-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag