Patent US4088507A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4088507A Expired / Lapsed US ⏱️ 0.0 years remaining

Phthalocyanine pigment compositions

Assignee: Artience Co Ltd
•
Filing: 1977-04-27
•
Granted: 1978-05-09
•
Expires: 1997-04-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A copper phthalocyanine pigment composition consisting essentially of 100 parts by weight of copper phthalocyanine and 0.5 - 30 parts by weight of a copper phthalocyanine derivative having the following formula <IMAGE> WHEREIN Cu-Pc- is the residue of copper phthalocyanine, m and n are each an integer of 1 - 4, and R1 and R2 are each a substituted or non-substituted alkyl group or a heterocyclic group containing the nitrogen atom appearing in the formula.

Inventors

  • 👤 Tuneo Tanaka
  • 👤 Sengo Ishizuka
  • 👤 Keniti Tokuda
  • 👤 Akimitsu Suzuki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 17:11
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/08; C09B47/24; C09B47/26; C09B67/00; C09B67/0033; C09B67/0034; C09B67/0035

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 81 words
A copper phthalocyanine pigment composition consisting essentially of 100 parts by weight of copper phthalocyanine and 0.5 - 30 parts by weight of a copper phthalocyanine derivative having the following general formula ##STR7## wherein Cu - Pc - is the residue of copper phthalocyanine, m and n are each an integer of from 1 to 4, and R 1 and R 2 are each a substituted or non-substituted alkyl group or a heterocyclic group containing the nitrogen atom of the formula.
Claim 2
Dependent Claim 81 words
A copper phthalocyanine pigment composition consisting essentially of 100 parts by weight of copper phthalocyanine and 0.5 - 30 parts by weight of a copper phthalocyanine derivative having the following general formula ##STR7## wherein Cu - Pc - is the residue of copper phthalocyanine, m and n are each an integer of from 1 to 4, and R 1 and R 2 are each a substituted or non-substituted alkyl group or a heterocyclic group containing the nitrogen atom of the formula.
Claim 3
Dependent Claim 69 words
A copper phthalocyanine pigment composition according to claim 1, wherein the copper phthalocyanine derivative is one prepared by dechlorination reacting a chlorosulfonated copper phthalocyanine derivative containing 1 - 4 chlorosulfonic groups with an amine having the following general formula ##STR8## wherein n, R 1 and R 2 are as defined in claim 1, at a temperature of 0° - 200° C in the presence or absence of a solvent.
Claim 4
Dependent Claim 34 words
A copper phthalocyanine pigment composition according to claim 2, wherein the amine is s member selected from the group consisting of N,N-dimethylaminopropylamine, N,N-diethylaminopropylamine, N,N-dibutylaminopropylamine, N,N-dimethylaminoethylamine, N,N-diethylaminoethylamine, N-aminopropylmorpholine, N-aminoethylpiperidine, N-aminoethylpyrrolidine, N,N-diisobutylaminopentylamine, N,N-diethylaminopentylamine, N,N-dimethylaminopentylamine and N-aminopropyl-2-pipecoline.

References Cited (Backward Citations)

US3920469A Cited
US3973981A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-05-08 1981-11-07 1982-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-05-08 1985-11-07 1986-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-05-08 1989-11-07 1990-05-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag