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US4540998A Expired / Lapsed US ⏱️ 0.0 years remaining

Record member

Assignee: WTA Inc
•
Filing: 1984-05-23
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Granted: 1985-09-10
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Expires: 2004-05-23
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Abstract

Abstract A record member comprising a developer composition comprising a zinc-modified addition product of a phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon is disclosed. These addition products are particularly useful as color developers for basic chromogenic material.

Inventors

  • 👤 Jerome R. Bodmer
  • 👤 Robert E. Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:03
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/155

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 58 words
A record member comprising a substrate and a color developer composition comprising a zinc-modified addition product prepared by a process comprising mixing together and heating an addition product of phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon, a zinc compound selected from the group consisting of zinc oxide and zinc carbonate, benzoic acid and a weak base.
Claim 2
Dependent Claim 58 words
A record member comprising a substrate and a color developer composition comprising a zinc-modified addition product prepared by a process comprising mixing together and heating an addition product of phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon, a zinc compound selected from the group consisting of zinc oxide and zinc carbonate, benzoic acid and a weak base.
Claim 3
Dependent Claim 13 words
The record member of claim 1 wherein the cyclic hydrocarbon is a terpene.
Claim 4
Dependent Claim 11 words
The record member of claim 2 wherein the terpene is limonene.
Claim 5
Dependent Claim 25 words
The record member of claim 1, 2, or 3 wherein the weak base is selected from the group consisting of ammonium bicarbonate and ammonium hydroxide.
Claim 6
Dependent Claim 13 words
The record member of claim 4 wherein the weak base is ammonium bicarbonate.
Claim 7
Dependent Claim 13 words
The record member of claim 5 wherein the zinc compound is zinc oxide.
Claim 8
Dependent Claim 124 words
A pressure-sensitive record unit comprising: (a) support sheet material; (b) mark-forming components, and a pressure-releasable liquid organic solvent for both said mark-forming components arranged in contiguous juxtaposition and supported by said sheet material; (c) at least one of the mark-forming components being maintained in isolation from other mark-forming component(s); (d) said mark-forming components comprising at least one basic chromogenic material and at least one zinc-modified addition product prepared by a process comprising mixing together and heating an addition product of phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon, a zinc compound selected from the group consisting of zinc oxide and zinc carbonate, benzoic acid and a weak base, which components, on pressure release of the liquid organic solvent, are brought into reactive contact.
Claim 9
Dependent Claim 124 words
A pressure-sensitive record unit comprising: (a) support sheet material; (b) mark-forming components, and a pressure-releasable liquid organic solvent for both said mark-forming components arranged in contiguous juxtaposition and supported by said sheet material; (c) at least one of the mark-forming components being maintained in isolation from other mark-forming component(s); (d) said mark-forming components comprising at least one basic chromogenic material and at least one zinc-modified addition product prepared by a process comprising mixing together and heating an addition product of phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon, a zinc compound selected from the group consisting of zinc oxide and zinc carbonate, benzoic acid and a weak base, which components, on pressure release of the liquid organic solvent, are brought into reactive contact.
Claim 10
Dependent Claim 13 words
The record unit of claim 7 wherein the cyclic hydrocarbon is a terpene.
Claim 11
Dependent Claim 11 words
The record unit of claim 8 wherein the terpene is limonene.
Claim 12
Dependent Claim 25 words
The record unit of claim 7, 8 or 9 wherein the weak base is selected from the group consisting of ammonium bicarbonate or ammonium hydroxide.
Claim 13
Dependent Claim 13 words
The record unit of claim 10 wherein the weak base is ammonium bicarbonate.
Claim 14
Dependent Claim 13 words
The record unit of claim 11 wherein the zinc compound is zinc oxide.

References Cited (Backward Citations)

US2811564A Cited
US4165103A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-09-09 1989-03-11 1989-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-09-09 1993-03-11 1993-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-09-09 1997-03-11 1997-09-10 $7700.00 Window Closed / Lapsed

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