Patent US3284381A successfully refreshed from Google Patents.
US3284381A
Expired / Lapsed
US
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Amylose-based corrugating adhesives
Assignee: Ingredion Inc
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Filing: 1962-05-14
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Granted: 1966-11-08
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Expires: 1982-05-14
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
2026-10-31 16:58
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.
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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 |