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US3284381A Expired / Lapsed US ⏱️ 0.0 years remaining

Amylose-based corrugating adhesives

Assignee: Ingredion Inc
•
Filing: 1962-05-14
•
Granted: 1966-11-08
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Expires: 1982-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence J Hickey
  • 👤 Robert H Williams
  • 👤 Emil D Mazzarella

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:38
CPC Classifications
C; C08; C08L; C08L3/00; C08L3/12; C09; C09J; C09J103/00; C09J103/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 125 words
AN ADHESIVE COMPOSITION COMPRISING A CARRIER PORTION FOR UNGELATINIZED STARCH AND A QUANTITY OF FROM 300700 PARTS OF UNGELATINIZED STARCH SOLIDS SUSPENDED IN SAID CARRIER PORTION, SAID CARRIER PORTION COMPRISING AN AQEUOUS SOLUTION OF DISPERSED AMYLOSE AND FROM 10-100 PARTS OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF PARAFORMALDEHYDE, AQUEOUS SOLUTIONS OF METHANOL STABILIZED FORMALDEHYDE, AND AQUEOUS ALKALINE SOLUTIONS OF FORMALDEHYDE, AND FROM 5-100 PARTS OF (B) A MEMBER SELECTED FROM THE GROUP CONSISTING OF UREA, MONOMETHYLOL UREA, SUCCINAMIDE AND ADIPAMIDE; THE LATTER PROPORTIONS BEING BASED ON THE WEIGHT OF SOLIDS PER 100 PARTS BY WEIGHT OF DISPERSED AMYLOSE IN SAID ADHESIVE COMPOSITION, THERE BEING AT LEAST ABOUT 14.0% OF AMYLOSE, AS BASED ON THE TOTAL WEIGHT OF SOLIDS, PRESENT IN SAID COMPOSITION.
Claim 2
Dependent Claim 125 words
AN ADHESIVE COMPOSITION COMPRISING A CARRIER PORTION FOR UNGELATINIZED STARCH AND A QUANTITY OF FROM 300700 PARTS OF UNGELATINIZED STARCH SOLIDS SUSPENDED IN SAID CARRIER PORTION, SAID CARRIER PORTION COMPRISING AN AQEUOUS SOLUTION OF DISPERSED AMYLOSE AND FROM 10-100 PARTS OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF PARAFORMALDEHYDE, AQUEOUS SOLUTIONS OF METHANOL STABILIZED FORMALDEHYDE, AND AQUEOUS ALKALINE SOLUTIONS OF FORMALDEHYDE, AND FROM 5-100 PARTS OF (B) A MEMBER SELECTED FROM THE GROUP CONSISTING OF UREA, MONOMETHYLOL UREA, SUCCINAMIDE AND ADIPAMIDE; THE LATTER PROPORTIONS BEING BASED ON THE WEIGHT OF SOLIDS PER 100 PARTS BY WEIGHT OF DISPERSED AMYLOSE IN SAID ADHESIVE COMPOSITION, THERE BEING AT LEAST ABOUT 14.0% OF AMYLOSE, AS BASED ON THE TOTAL WEIGHT OF SOLIDS, PRESENT IN SAID COMPOSITION.
Claim 3
Independent Claim 126 words
THE METHOD OF PREPARING AN ADHESIVE COMPOSITION FOR USE IN MAKING CORRUGATED PAPERBOARD WHICH COMPRISES MIXING AN AQUEOUS ALKALINE AMYLOSE DISPERSION WITH PARAFORMALDEHYDE AND UREA, THEREBY FORMING A STABILIZED AQUEOUS AMYLOSE CARRIER PORTION, AND MIXING A QUANTITY OF UNGELATINIZED STARCH SOLIDS WITH SAID CARRIER PORTION, THEREBY PRODUCING A SUSPENSION OF THE UNGELATINIZED STARCH SOLIDS IN SAID CARRIER PORTION; WHEREIN IN SAID COMPOSITION PARAFORMALDEHYDE IS PRESENT IN A CONCENTRATION RANGING FROM 10 TO 100 PARTS, BY WEIGHT PER 100 PARTS OF DISPERSED AMYLOSE; AND, THE UREA IS PRESENT IN A CONCENTRATION RANGING FROM 5 TO 100 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF DISPERSED AMYLOSE; THERE BEING AT LEAST ABOUT 14.0% OF AMYLOSE, AS BASED ON THE TOTAL WEIGHT OF SOLIDS, PRESENT IN THE COMPOSITION.
Claim 4
Independent Claim 126 words
THE METHOD OF PREPARING AN ADHESIVE COMPOSITION FOR USE IN MAKING CORRUGATED PAPERBOARD WHICH COMPRISES MIXING AN AQUEOUS ALKALINE AMYLOSE DISPERSION WITH PARAFORMALDEHYDE AND UREA, THEREBY FORMING A STABILIZED AQUEOUS AMYLOSE CARRIER PORTION, AND MIXING A QUANTITY OF UNGELATINIZED STARCH SOLIDS WITH SAID CARRIER PORTION, THEREBY PRODUCING A SUSPENSION OF THE UNGELATINIZED STARCH SOLIDS IN SAID CARRIER PORTION; WHEREIN IN SAID COMPOSITION PARAFORMALDEHYDE IS PRESENT IN A CONCENTRATION RANGING FROM 10 TO 100 PARTS, BY WEIGHT PER 100 PARTS OF DISPERSED AMYLOSE; AND, THE UREA IS PRESENT IN A CONCENTRATION RANGING FROM 5 TO 100 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF DISPERSED AMYLOSE; THERE BEING AT LEAST ABOUT 14.0% OF AMYLOSE, AS BASED ON THE TOTAL WEIGHT OF SOLIDS, PRESENT IN THE COMPOSITION.

References Cited (Backward Citations)

GB632789A Cited
US2801184A Cited
GB772479A Cited
US2999030A Cited
US2999032A Cited
US2973243A Cited
US3019120A Cited
US3024212A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-07 1970-05-09 1970-11-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-07 1974-05-09 1974-11-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-07 1978-05-09 1978-11-08 $7700.00 Window Closed / Lapsed

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