US4595611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink-printed ovenable food containers
Assignee: International Paper Co
•
Filing: 1985-06-26
•
Granted: 1986-06-17
•
Expires: 2005-06-26
Abstract
Abstract An ink-printed ovenable food container is prepared by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and (d) forming the resultant polyester resin sealed paperboard into a container.
Inventors
- 👤 James R. Quick
- 👤 Craig A. Golden
- 👤 James W. Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:12
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; A; A47; A47J; A47J36/00; A47J36/02; A47J36/022; B05; B05D; B05D5/00; B05D5/06; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5263; B41M5/5272; B41M7/00; B41M7/0027; B44; B44C; B44C1/00; B44C1/04; B65D2581/00; B65D2581/34; B65D2581/3437; B65D2581/3439; B65D2581/3448; B65D2581/3463; B65D2581/3464; B65D2581/3471; B65D2581/3483; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903; Y10T; Y10T428/00; Y10T428/13; Y10T428/1303; Y10T428/31504; Y10T428/31786; Y10T428/3179
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
68 words
a method for making an ink-printed ovenable food container which comprises: (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and (d) forming the resultant polyester resin sealed paperboard into a container.
Claim 2
Independent Claim
68 words
a method for making an ink-printed ovenable food container which comprises: (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and (d) forming the resultant polyester resin sealed paperboard into a container.
Claim 3
Dependent Claim
21 words
A method according to claim 1 wherein the paperboard is coated with a composition containing a sulfonated polyester prior to printing.
Claim 4
Dependent Claim
14 words
A method according to claim 2 wherein the said composition also contains a pigment.
Claim 5
Dependent Claim
27 words
A method according to claim 1 wherein the ink-coated paperboard is coated with the unpigmented composition containing a sulfonated polyester while the ink coating is partially dry.
Claim 6
Dependent Claim
25 words
A method according to claim 2 wherein the paperboard coated with a composition containing sulfonated polyester is ink-printed while the previous coating is partially dry.
Claim 7
Dependent Claim
16 words
A method according to claim 1 wherein the sulfonated polyester is applied as an aqueous dispersion.
Claim 8
Dependent Claim
16 words
A method according to claim 2 wherein the sulfonated polyester is applied as an aqeuous dispersion.
Claim 9
Dependent Claim
17 words
A method according to claim 6 wherein the same sulfonated polyester is used in each aqueous dispersion.
Claim 10
Dependent Claim
17 words
A method according to claim 7 wherein the same sulfonated polyester is used in each aqeuous dispersion.
Claim 11
Dependent Claim
14 words
A method according to claim 8 wherein the sulfonated polyester is sulfonated polyethylene terephthalate.
Claim 12
Dependent Claim
14 words
A method according to claim 9 wherein the sulfonated polyester is sulfonated polyethylene terephthalate.
Claim 13
Independent Claim
54 words
A method for making ink-printed paperboard which comprises (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, and (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating.
Claim 14
Independent Claim
54 words
A method for making ink-printed paperboard which comprises (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, and (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating.
Claim 15
Dependent Claim
21 words
A method according to claim 12 wherein the paperboard is coated with a composition containing a sulfonated polyester prior to printing.
Claim 16
Dependent Claim
14 words
A method according to claim 13 wherein the said composition also contains a pigment.
Claim 17
Dependent Claim
27 words
A method according to claim 12 wherein the ink-coated paperboard is coated with the unpigmented composition containing a sulfonated polyester while the ink coating is partially dry.
Claim 18
Dependent Claim
25 words
A method according to claim 13 wherein the paperboard coated with a composition containing sulfonated polyester is ink-printed while the previous coating is partially dry.
Claim 19
Dependent Claim
16 words
A method according to claim 12 wherein the sulfonated polyester is applied as an aqueous dispersion.
Claim 20
Dependent Claim
16 words
A method according to claim 13 wherein the sulfonated polyester is applied as an aqueous dispersion.
Claim 21
Dependent Claim
17 words
A method according to claim 17 wherein the same sulfonated polyester is used in each aqueous dispersion.
Claim 22
Dependent Claim
17 words
A method according to claim 18 wherein the same sulfonated polyester is used in each aqueous dispersion.
Claim 23
Dependent Claim
14 words
A method according to claim 19 wherein the sulfonated polyester is sulfonated polyethylene terephthalate.
Claim 24
Dependent Claim
14 words
A method according to claim 20 wherein the sulfonated polyester is sulfonated polyethylene terephthalate.
Claim 25
Dependent Claim
64 words
An ink-printed ovenable food container made by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and (d) forming the resultant polyester resin sealed paperboard into a container.
Claim 26
Dependent Claim
64 words
An ink-printed ovenable food container made by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and (d) forming the resultant polyester resin sealed paperboard into a container.
Claim 27
Dependent Claim
24 words
An ink-printed ovenable food container according to claim 23 wherein the paperboard is coated with a composition containing a sulfonated polyester prior to printing.
Claim 28
Dependent Claim
17 words
An ink-printed ovenable food container according to claim 24 where the said composition also contains a pigment.
Claim 29
Dependent Claim
17 words
An ink-printed ovenable food container according to claim 23 wherein the polyester sealing resin is polyethylene terephthalate.
Claim 30
Dependent Claim
50 words
Ink-printed paperboard made by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester and (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating.
Claim 31
Dependent Claim
50 words
Ink-printed paperboard made by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester and (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating.
Claim 32
Dependent Claim
22 words
An ink-printed paperboard according to claim 27 wherein the paperboard is coated with a composition containing a sulfonated polyester prior to printing.
Claim 33
Dependent Claim
14 words
An ink-printed according to claim 28 where the said composition also contains a pigment.
Claim 34
Dependent Claim
15 words
An ink-printed paperboard according to claim 27 wherein the polyester sealing resin is polyethylene terephthalate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-16 | 1989-12-16 | 1990-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-16 | 1993-12-16 | 1994-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-16 | 1997-12-16 | 1998-06-17 | $7700.00 | Window Closed / Lapsed |