US3928690A
Expired / Lapsed
US
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Release coated adhesive tape
Assignee: Uniroyal Chemical Co Inc
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Filing: 1974-12-30
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Granted: 1975-12-23
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Expires: 1994-12-30
Abstract
Abstract Release coated pressure sensitive adhesive tape utilizing release coating compositions that are alkyl sulfide, alkyl sulfoxide and alkyl sulfone terminated oligomers. Superior release, printability, water base non-polluting characteristics and high temperature-high humidity aging resistance are obtained.
Inventors
- 👤 Robert A Settineri
- 👤 John T O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:39
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/201; C09J7/22; C09J7/30; C09J7/38; C09J2401/00; C09J2401/006; C09J2433/00; C09J2433/005; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/14; Y10T428/1438; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/27; Y10T428/273; Y10T428/28; Y10T428/2839
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
38 words
A PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING A FLEXIBLE BACKING WHICH HAS A PRESSURE SENSITIVE ADHESIVE ON ONE SIDE AND A RELASE COATING ON THE OTHER SIDE, SAID RELEASE COATING CONSISTING ESSENTIALLY OF AN OLIGOMER REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
38 words
A PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING A FLEXIBLE BACKING WHICH HAS A PRESSURE SENSITIVE ADHESIVE ON ONE SIDE AND A RELASE COATING ON THE OTHER SIDE, SAID RELEASE COATING CONSISTING ESSENTIALLY OF AN OLIGOMER REPRESENTED BY THE FORMULA
Claim 3
Dependent Claim
21 words
The adhesive tape of claim 1, wherein said R5 is selected from the group consisting of hydrogen, lithium, sodium and potassium.
Claim 4
Dependent Claim
50 words
The adhesive tape of claim 2, wherein R is a linear or branched primary alkyl or a linear secondary alkyl group having from 13 to 20 carbons; R1, R2, R3, and R4 are hydrogen; (a+b) is from 8 to 50, a/(a+b) is from 0.0 to 0.5, and n is 0.
Claim 5
Dependent Claim
22 words
The adhesive tape of claim 3, wherein R is a linear or branched primary alkyl radical having 13 to 18 carbon atoms.
Claim 6
Dependent Claim
10 words
The adhesive tape of claim 4, wherein R5 is potassium.
Claim 7
Dependent Claim
20 words
The adhesive tape of claim 3, wherein (a+b) is from 12 to 50 and a/(a+b) is from 0.25 to 0.5.
Claim 8
Dependent Claim
13 words
The adhesive tape of claim 1, wherein said tape is wound upon itself.
Claim 9
Dependent Claim
34 words
The adhesive tape of claim 1, wherein said backing is a creped cellulose sheet saturated with ABS latex, and is coated with a vinyl latex base coat between the backing and said release coating.
Claim 10
Dependent Claim
22 words
The adhesive tape of claim 1, wherein said oligomer is present in a quantity of 0.001 to 0.1 ounces per square yard.
Claim 11
Dependent Claim
26 words
A FLEXIBLE BACKING FOR PRESSURE SENSITIVE ADHESIVE TAPE HAVING ON AT LEAST ONE SIDE A RELEASE COATING CONSISTING ESSENTIALLY OF AN OLIGOMER HAVING A STRUCTURAL FORMULA
Claim 12
Dependent Claim
26 words
A FLEXIBLE BACKING FOR PRESSURE SENSITIVE ADHESIVE TAPE HAVING ON AT LEAST ONE SIDE A RELEASE COATING CONSISTING ESSENTIALLY OF AN OLIGOMER HAVING A STRUCTURAL FORMULA
Claim 13
Dependent Claim
21 words
The flexible backing of claim 10, wherein said R5 is selected from the group consisting of hydrogen, lithium, sodium and potassium.
Claim 14
Dependent Claim
50 words
The flexible backing of claim 11 wherein R is a linear or branched primary alkyl or a linear secondary alkyl group having from 13 to 20 carbons; R1, R2, R3 and R4 are hydrogen; (a+b) is from 8 to 50, a/(a+b) is from 0.0 to 0.5, and n is 0.
Claim 15
Dependent Claim
22 words
The flexible backing of claims 12, wherein R is a linear or branched primary alkyl radical having 13 to 18 carbon atoms.
Claim 16
Dependent Claim
10 words
The flexible backing of claim 13, wherein R5 is potassium.
Claim 17
Dependent Claim
20 words
The flexible backing of claim 12, wherein (a+b) is from 12 to 50 and a/(a+b) is from 0.25 to 0.5.
Claim 18
Dependent Claim
67 words
The flexible backing of claim 10, wherein said backing is a creped cellulose sheet saturated with a latex chosen from the group consisting of ABS, acrylic, SBR, acrylonitrile, neoprene and copolymers and blends thereof, and is coated with a latex base coat between the backing and said release coating, said latex base coat being chosen from the group consisting of vinyl and acrylic latices and mixtures thereof.
Claim 19
Dependent Claim
22 words
The flexible backing of claim 10, wherein said oligomer is present in a quantity of 0.001 to 0.1 ounces per square yard.
Claim 20
Dependent Claim
53 words
An improved laminar structure having a flexible tape coated with a pressure sensitive adhesive on one side, a release coating adjacent to the adhesive and a flexible backing adhering to the release coating, the improvement comprising said release coating consisting essentially of a release agent which is an oligomer having the structural formula
Claim 21
Dependent Claim
53 words
An improved laminar structure having a flexible tape coated with a pressure sensitive adhesive on one side, a release coating adjacent to the adhesive and a flexible backing adhering to the release coating, the improvement comprising said release coating consisting essentially of a release agent which is an oligomer having the structural formula
Claim 22
Dependent Claim
50 words
The laminar structure of claim 18, wherein R is a linear or branched primary alkyl or a linear secondary alkyl group having from 13 to 20 carbons; R1, R2, R3 and R4 are hydrogen; (a+b) is from 8 to 50, a/(a+b) is from 0.0 to 0.5, and n is 0.
Claim 23
Dependent Claim
39 words
The laminar structure of claim 19 wherein R is a linear or branched primary alkyl radical having 13 to 18 carbon atoms, R5 is potassium and (a+b) is from 12 to 50 and a/(a+b) is from 0.25 to 0.5.
Claim 24
Dependent Claim
22 words
The laminar structure of claim 18 wherein said oligomer is present in a quantity of 0.001 to 0.1 ounces per square yard.
Claim 25
Dependent Claim
32 words
A structure comprising a substrate, a release coat on said substrate and a pressure sensitive adhesive on said release coat, said release coat consisting essentially of an oligomer represented by the formula
Claim 26
Dependent Claim
32 words
A structure comprising a substrate, a release coat on said substrate and a pressure sensitive adhesive on said release coat, said release coat consisting essentially of an oligomer represented by the formula
Claim 27
Dependent Claim
49 words
The structure of claim 22 wherein R is a linear or branched primary alkyl or a linear secondary alkyl group having from 13 to 20 carbons; R1, R2, R3 and R4 are hydrogen; (a+b) is from 8 to 50, a/(a+b) is from 0.0 to 0.5, and n is 0.
Claim 28
Dependent Claim
38 words
The structure of claim 23 wherein R is a linear or branched primary alkyl radical having 13 to 18 carbon atoms, R5 is potassium and (a+b) is from 12 to 50 and a/(a+b) is from 0.25 to 0.5.
Claim 29
Dependent Claim
21 words
The structure of claim 22 wherein said oligomer is present in a quantity of 0.001 to 0.1 ounces per square yard.
Claim 30
Dependent Claim
15 words
A STRUCTURE COMPRISING AN ADHESIVE ENGAGED WITH A RELEASE COATING, SAID REPRESENTED BY THE FORMULA
Claim 31
Dependent Claim
15 words
A STRUCTURE COMPRISING AN ADHESIVE ENGAGED WITH A RELEASE COATING, SAID REPRESENTED BY THE FORMULA
Claim 32
Dependent Claim
49 words
The structure of claim 26 wherein R is a linear or branched primary alkyl or a linear secondary alkyl group having from 13 to 20 carbons; R1, R2, R3 and R4 are hydrogen; (a+b) is from 8 to 50, a/(a+b) is from 0.0 to 0.5, and n is 0.
Claim 33
Dependent Claim
37 words
The structure of claim 27, wherein R is a linear or branched primary alkyl radical having 13 to 18 carbon atoms; R5 is potassium, (a+b) is from 12 to 50; and a/(a+b) is from 0.25 to 0.5.
Claim 34
Dependent Claim
21 words
The structure of claim 26 wherein said oligomer is present in a quantity of 0.001 to 0.1 ounces per square yard.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |