US4540998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record member
Assignee: WTA Inc
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Filing: 1984-05-23
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Granted: 1985-09-10
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Expires: 2004-05-23
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 |