US3914524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High amylopectin starch adhesive composition and adhesive tape
Assignee: Nashua Corp
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Filing: 1974-07-01
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Granted: 1975-10-21
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Expires: 1994-07-01
Abstract
Abstract An adhesive composition suitable for application to a paper backing to form an adhesive tape comprising amylose pectin, a medium molecular weight starch, urea, a sugar or sugar alcohol, a neutralized polyacrylate and water. The composition can be applied to one surface of a paper backing to form an adhesive tape suitable to be wound as a roll without premature bonding and without loss of adhesive strength.
Inventors
- 👤 Robert W Monte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:27
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/07; C08K5/16; C08K5/21; C08L; C08L3/00; C08L3/02; C08L33/00; C08L33/02; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/32; C08L2666/00; C08L2666/02; C08L2666/28; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
34 words
AN ADHESIVE TAPE SUITABLE TO BE WOUND AS A ROLL WITHOUT PREMATURE BONDING AND WITHOUT LOSS OF ADHESIVE STRENGTH WHICH COMPRISES A PAPER BACKING HAVING COATED ON ONE SURFACE THEREOF AN ADHESIVE COMPOSITION COMPRISING:
Claim 2
Dependent Claim
34 words
AN ADHESIVE TAPE SUITABLE TO BE WOUND AS A ROLL WITHOUT PREMATURE BONDING AND WITHOUT LOSS OF ADHESIVE STRENGTH WHICH COMPRISES A PAPER BACKING HAVING COATED ON ONE SURFACE THEREOF AN ADHESIVE COMPOSITION COMPRISING:
Claim 3
Dependent Claim
11 words
The tape of claim 1 wherein the sugar alcohol is sorbitol.
Claim 4
Dependent Claim
13 words
The tape of claim 1 wherein the medium molecular weight starch is dextrin.
Claim 5
Dependent Claim
11 words
The tape of claim 1 wherein the polyacrylate is sodium polyacrylate.
Claim 6
Dependent Claim
19 words
The tape of claim 1 wherein the first named starch component contains more than 95 weight percent amylose pectin.
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) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |