Patent US4599260A successfully refreshed from Google Patents.
US4599260A
Expired / Lapsed
US
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Directly printable tape with novel release coating
Assignee: 3M Co
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Filing: 1985-01-23
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Granted: 1986-07-08
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Expires: 2005-01-23
Abstract
Abstract Directly printable tape comprising a polymeric film backing having a low adhesion backsize coating on one major surface thereof and a pressure-sensitive adhesive on the other major surface thereof. The low adhesion backsize coating comprises a mixture of a low adhesion backsize compound and an ink adhesion promoter. The disclosure further involves a method of printing on the low adhesion backsize coating and an ink composition. The ink comprises a conventional flexographic ink composition containing an ink adhesion promoter.
Inventors
- 👤 Bernard S. Truskolaski
- 👤 Daniel P. Pohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:58
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B41M1/305; C09J; C09J7/00; C09J7/20; C09J7/201; C09J7/22; C09J7/30; C09J7/38; C09J2301/00; C09J2301/30; C09J2301/302; C09J2301/40; C09J2301/414; C09J2423/00; C09J2423/006; C09J2423/10; C09J2423/106; C09J2427/00; C09J2427/005; C09J2427/006; C09J2431/00; C09J2431/005; C09J2467/00; C09J2467/006; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/28; Y10T428/2839; Y10T428/2852; Y10T428/2878
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
80 words
A printed pressure-sensitive adhesive tape comprising a backing film, the faceside thereof being coated wtih a pressure-sensitive adhesive and the backside thereof being coated with a low adhesion backsize coating comprising (1) at least one low adhesion backsize compound, and (2) a chlorinated polyolefin in an amount sufficient to promote ink adhesion, wherein said low adhesion backsize coating bears an inked impression and is low-force removable from said pressure-sensitive adhesive without transfer of said inked impression to said pressure-sensitive adhesive.
Claim 2
Dependent Claim
80 words
A printed pressure-sensitive adhesive tape comprising a backing film, the faceside thereof being coated wtih a pressure-sensitive adhesive and the backside thereof being coated with a low adhesion backsize coating comprising (1) at least one low adhesion backsize compound, and (2) a chlorinated polyolefin in an amount sufficient to promote ink adhesion, wherein said low adhesion backsize coating bears an inked impression and is low-force removable from said pressure-sensitive adhesive without transfer of said inked impression to said pressure-sensitive adhesive.
Claim 3
Dependent Claim
33 words
The tape of claim 1 wherein said low adhesion backsize compound comprises a polyvinyl carbamate polymer wherein the carbamate side chains terminate with an alkyl group more than five carbon atoms in length.
Claim 4
Dependent Claim
46 words
The tape of claim 1 wherein said low adhesion backsize compound comprises a copolymer of an ester of the class consisting of higher alkyl acrylates and methacrylates wherein the higher alkyl radical has a length of at least 12 carbon atoms, and an ethylenically unsaturated monomer.
Claim 5
Dependent Claim
103 words
The tape of claim 1 wherein said low adhesion backsize compound comprises a copolymer derived from an ethylenically unsaturated monomer containing a functional group forming a conjugated system with the ethylenic linkage wherein between about 10 and about 90 mole percent of the polymerized units of the copolymer contain a free carboxylic acid group as the functional group forming the conjugated system and all other functional groups forming the conjugated system are hydrolyzable to a free carboxylic acid group, and 20-90 percent by weight of monomeric units derived from an ethylenically unsaturated monomer containing a fluoroalkyl group of at least 6 carbon atoms.
Claim 6
Dependent Claim
23 words
The tape of claim 1 wherein said chlorinated polyolefin comprises at least about 0.25 percent by weight of said low adhesion backsize coating.
Claim 7
Dependent Claim
28 words
The tape of claim 1 wherein said chlorinated polyolefin comprises from about 0.23 percent by weight to about 20 percent by weight of said low adhesion backsize coating.
Claim 8
Dependent Claim
23 words
The tape of claim 1 wherein said low adhesion backsize coating contains at least 10 percent by weight of low adhesion backsize compound.
Claim 9
Dependent Claim
26 words
The tape of claim 1 wherein said low adhesion backsize coating contains from about 80 to about 99.75 percent by weight of low adhesion backsize compound.
Claim 10
Dependent Claim
160 words
The tape of claim 1 wherein the low adhesion backsize compound is selected from the group consisting of polyvinyl carbamate polymers wherein the carbamate side chains terminate with an alkyl group more than five carbon atoms in length, copolymers of an ester of the class consisting of higher alkyl acrylates and methacrylates wherein the higher alkyl radical has a length of at least 12 carbon atoms, and ethylenically unsaturated monomer, copolymers derived from an ethylenically unsaturated monomer containing a functional group forming a conjugated system with the ethylenic linkage wherein between about 10 and about 90 mole percent of the polymerized units of the copolymer contain a free carboxylic acid group as the functional group forming the conjugated system and all other functional groups forming the conjugated system are hydrolyzable to a free carboxylic acid group, and 20-90 percent by weight of monomeric units derived from an ethylenically unsaturated monomer containing a fluoroalkyl group of at least 6 carbon atoms.
Claim 11
Dependent Claim
11 words
The tape of claim 1 wherein said film backing is oriented.
Claim 12
Dependent Claim
20 words
The tape of claim 10 wherein said backing is selected from the group consisting of polyolefins, polyesters, and polyvinyl chlorides.
Claim 13
Dependent Claim
19 words
The tape of claim 11 wherein said backing is selected from the group consisting of polypropylene and polyethylene terephthalate.
Claim 14
Dependent Claim
72 words
A printable pressure-sensitive adhesive tape comprising an oriented polymeric film backing, having a faceside and a backside, the faceside being coated with a pressure-sensitive adhesive and the backside being coated with a low adhesion backsize coating comprising (1) at least one low adhesion backsize compound, and (2) a chlorinated polyolefin in an amount sufficient to promote ink adhesion, said low adhesion backsize coating being ink-imprintable and low-force removable from said pressure-sensitive adhesive.
Claim 15
Dependent Claim
72 words
A printable pressure-sensitive adhesive tape comprising an oriented polymeric film backing, having a faceside and a backside, the faceside being coated with a pressure-sensitive adhesive and the backside being coated with a low adhesion backsize coating comprising (1) at least one low adhesion backsize compound, and (2) a chlorinated polyolefin in an amount sufficient to promote ink adhesion, said low adhesion backsize coating being ink-imprintable and low-force removable from said pressure-sensitive adhesive.
Claim 16
Dependent Claim
33 words
The tape of claim 13 wherein said low adhesion backsize compound comprises a polyvinyl carbamate polymer wherein the carbamate side chains terminate with an alkyl group more than five carbon atoms in length.
Claim 17
Dependent Claim
46 words
The tape of claim 13 wherein said low adhesion backsize compound comprises a copolymer of an ester of the class consisting of higher alkyl acrylates and methacrylates wherein the higher alkyl radical has a length of at least 12 carbon atoms, and an ethylenically unsaturated monomer.
Claim 18
Dependent Claim
103 words
The tape of claim 13 wherein said low adhesion backsize compound comprises a copolymer derived from an ethylenically unsaturated monomer containing a functional group forming a conjugated system with the ethylenic linkage wherein between about 10 and about 90 mole percent of the polymerized units of the copolymer contain a free carboxylic acid group as the functional group forming the conjugated system and all other functional groups forming the conjugated system are hydrolyzable to a free carboxylic acid group, and 20-90 percent by weight of monomeric units derived from an ethylenically unsaturated monomer containing a fluoroalkyl group of at least 6 carbon atoms.
Claim 19
Dependent Claim
23 words
The tape of claim 13 wherein said chlorinated polyolefin comprises at least about 0.25 percent by weight of said low adhesion backsize coating.
Claim 20
Dependent Claim
28 words
The tape of claim 13 wherein said chlorinated polyolefin comprises from about 0.25 percent by weight to about 20 percent by weight of said low adhesion backsize coating.
Claim 21
Dependent Claim
23 words
The tape of claim 13 wherein said low adhesion backsize coating contains at least 10 percent by weight of low adhesion backsize compound.
Claim 22
Dependent Claim
26 words
The tape of claim 13 wherein said low adhesion backsize coating contains from about 80 to about 99.75 percent by weight of low adhesion backsize compound.
Claim 23
Dependent Claim
161 words
The tape of claim 13 wherein said low adhesion backsize compound is selected from the group consisting of polyvinyl carbamate polymers wherein the carbamate side chains terminate with an alkyl group more than five carbon atoms in length, copolymers of an ester of the class consisting of higher alkyl acrylates and methacrylates wherein the higher alkyl radical has a length of at least 12 carbon atoms, and an ethylenically unsaturated monomer, copolymers derived from an ethylenically unsaturated monomer containing a functional group forming a conjugated system with the ethylenic linkage wherein between about 10 and about 90 mole percent of the polymerized units of the copolymer contain a free carboxylic acid group as the functional group forming the conjugated system and all other functional groups forming the conjugated system are hydrolyzable to a free carboxylic acid group, and 20-90 percent by weight of monomeric units derived from an ethylenically unsaturated monomer containing a fluoroalkyl group of at least 6 carbon atoms.
Claim 24
Dependent Claim
12 words
The tape of claim 13 wherein said film backing is biaxially oriented.
Claim 25
Dependent Claim
20 words
The tape of claim 22 wherein said backing is selected from the group consisting of polyolefins, polyesters, and polyvinyl chlorides.
Claim 26
Dependent Claim
19 words
The tape of claim 23 wherein said backing is selected from the group consisting of polypropylene and polyethylene terephthalate.
Claim 27
Dependent Claim
12 words
The tape of claim 13 wherein said film backing is uniaxially oriented.
Claim 28
Dependent Claim
16 words
The tape of claim 25 wherein said backing is selected from polyolefins, polyesters, and polyvinyl chlorides.
Claim 29
Dependent Claim
15 words
The tape of claim 26 wherein said backing is selected from polypropylene and 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) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |