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US4325855A Expired / Lapsed US ⏱️ 0.0 years remaining

Adhesives

Assignee: Lingner and Fischer GmbH
•
Filing: 1976-05-24
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Granted: 1982-04-20
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Expires: 1996-05-24
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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 18:54
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

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