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US3681168A Expired / Lapsed US ⏱️ 0.0 years remaining

Bonding with vinyl acetate polymer modified resorcinol-base adhesive

Assignee: Hexion Inc
•
Filing: 1970-09-08
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Granted: 1972-08-01
•
Expires: 1990-09-08
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Abstract

Abstract THIS INVENTION RELATES TO A METHOD OF GLUING WOOD, WOOD ARTICLES AND THE LIKE WITH RESORCINOL-BASED RESIN ADHESIVES, SAID ADHESIVES COMPRISING A RESORCINOL-BASED RESIN AND A VINYL ACETATE POLYMER IN AN AMOUNT UP TO ABOUT 10% OF THE RESORCINOL-BASED RESIN SOLIDS AND THE METHOD COMPRISING APPLYING THE THUS MODIFIED ADHESIVE AT A TOTAL SOLIDS LEVEL CORRESPONDING TO BETWEEN ABOUT 80% AND ABOUT 90% OF THE LEVEL NORMALLY REQUIRED IN THE CASE OF RESORCINOL-BASED RESIN ADHESIVES NOT CONTAINING VINYL ACETATE POLYMERS WHEREBY BOIL-PROOF AND WEATHER-RESISTANT BONDS ARE CREATED NOT SUBSTANTIALLY DIFFERENT FROM THE BONDS OBTAINABLE WITH THE UNMODIFIED RESORCINOL-BASED RESIN UNDER THE SAME CONDITIONS OF ASSEMBLY AND CURE.

Inventors

  • 👤 Edgar Braddbury Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:35
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C09J161/12; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-08-01 1976-01-31 1976-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-01 1980-01-31 1980-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-01 1984-01-31 1984-08-01 $7700.00 Window Closed / Lapsed

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