Patent US4325855A successfully refreshed from Google Patents.
US4325855A
Expired / Lapsed
US
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Adhesives
Assignee: Lingner and Fischer GmbH
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Filing: 1976-05-24
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Granted: 1982-04-20
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Expires: 1996-05-24
Abstract
Abstract Adhesive compositions containing an adhesive polymer, a dispersant for the polymer and a gelling agent which is a salt of a compound of the formula: ##STR1## wherein R is hydrogen or alkyl of 1 to 18 carbon atoms and R 1 is a hydrocarbon group of 1 to 18 carbon atoms.
Inventors
- 👤 Heinz H. Dickmann
- 👤 Dieter Hechenberger
- 👤 Richard Krattner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:00
CPC Classifications
C; C09; C09J; C09J5/00; C08; C08K; C08K5/00; C08K5/16; C08K5/20; C09J201/00; C09J9/00; C09J9/005; C08L; C08L2666/00; C08L2666/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
55 words
An adhesive composition according to claim 1 which consists essentially of polyvinylpyrrolidone in the amount of 20% by weight, glycerine in the amount of 10% by weight, sodium-N-hexylterephthalic acid amide in the amount of 5% by weight, sodium chloride in the amount of 7.5% by weight and water in the amount of 57.5% by weight.
Claim 2
Dependent Claim
60 words
An adhesive composition according to claim 1 which consists essentially of polyvinylacetate in the amount of 30% by weight, ethanol in the amount of 24% by weight, water in the amount of 0.6% by weight, methanol in the amount of 9.9% by weight, methylacetate in the amount of 35.25% by weight and sodium-N-(n-octyl)-terephthalamide in the amount of 0.25% by weight.
Claim 3
Dependent Claim
55 words
An adhesive composition according to claim 1 which consists essentially of polyvinylpyrrolidone in the amount of 25% by weight, glycerine in the amount of 10% by weight, n-octyl-terephthalic acid amide in the amount of 7% by weight, sodium hydroxide in the amount of 6% by weight and water in the amount of 52% by weight.
Claim 4
Dependent Claim
65 words
An adhesive composition according to claim 1 which consists essentially of polyvinylpyrrolidone in the amount of 25% by weight, glycerine in the amount of 15% by weight, n-octyl-terephthalic acid amide in the amount of 3.5% by weight, n-hexyl-terephthalic acid amide in the amount of 3.5% by weight, sodium hydroxide in the amount of 4.5% by weight and water in the amount of 48.5% by weight.
Claim 5
Dependent Claim
65 words
An adhesive composition according to claim 1 which consists essentially of polyvinyl alcohol in the amount of 25% by weight, glycerine in the amount of 10% by weight, 1,2-propylene glycol in the amount of 7% by weight, n-octyl-terephthalic acid amide in the amount of 5% by weight, sodium hydroxide in the amount of 5% by weight and water in the amount of 48% by weight.
Claim 6
Dependent Claim
56 words
An adhesive composition according to claim 1 which consists essentially of polyvinylpyrrolidone in the amount of 25% by weight, 1,2-propylene glycol in the amount of 17% by weight, n-decyl-terephthalic acid amide in the amount of 3% by weight, sodium hydroxide in the amount of 5% by weight and water in the amount of 50% by weight.
References Cited (Backward Citations)
US2820012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-19 | 1985-10-19 | 1986-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-19 | 1989-10-19 | 1990-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-19 | 1993-10-19 | 1994-04-20 | $7700.00 | Window Closed / Lapsed |