US2976203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition, methods of employing it, and laminated structures
Assignee: Rohm and Haas Co
•
Filing: 1957-09-06
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Granted: 1961-03-21
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Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Harold C Young
- 👤 Walter W Toy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:24
CPC Classifications
C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C09J2301/00; C09J2301/30; C09J2301/302; Y; Y10; Y10S; Y10S526/00; Y10S526/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN AQUEOUS ADHESIVE COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF POLYMERIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF A WATER-INSOLUBLE LINEAR COPOLYMER, AND SALTS THEREOF, OF ABOUT 2 TO 4% BY WEIGHT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ITACONIC ACID, FUMARIC ACID, AND THE DIMER OF METHACRYLIC ACID, ABOUT 5 TO 25% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACRYLATE AND ACRYLONITRILE, AND THE BALANCE OF AT LEAST ONE ESTER OF ACRYLIC ACID WITH AN ALCOHOL HAVING 1 TO 18 CARBON ATOMS, THE COPOLYMER HAVING A T1 BETWEEN -15*C. AND +15*C. AND A VISCOSITY AVERAGE MOLECULAR WEIGHT BETWEEN 50,000 AND 250,000, THE SALT BEING SELECTED FROM THE GROUP CONSISTING OF THOSE OF AMMONIUM, ALKALI METALS, AND THOSE FORMED WITH A WATER-SOLUBLE AMINE, THE DISPERSION CONTAINING 30 TO 55% BY WEIGHT OF WATER AND AT LEAST 30% BY WEIGHT OF THE COPOLYMER.
Claim 2
Dependent Claim
148 words
AN AQUEOUS ADHESIVE COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF POLYMERIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF A WATER-INSOLUBLE LINEAR COPOLYMER, AND SALTS THEREOF, OF ABOUT 2 TO 4% BY WEIGHT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ITACONIC ACID, FUMARIC ACID, AND THE DIMER OF METHACRYLIC ACID, ABOUT 5 TO 25% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACRYLATE AND ACRYLONITRILE, AND THE BALANCE OF AT LEAST ONE ESTER OF ACRYLIC ACID WITH AN ALCOHOL HAVING 1 TO 18 CARBON ATOMS, THE COPOLYMER HAVING A T1 BETWEEN -15*C. AND +15*C. AND A VISCOSITY AVERAGE MOLECULAR WEIGHT BETWEEN 50,000 AND 250,000, THE SALT BEING SELECTED FROM THE GROUP CONSISTING OF THOSE OF AMMONIUM, ALKALI METALS, AND THOSE FORMED WITH A WATER-SOLUBLE AMINE, THE DISPERSION CONTAINING 30 TO 55% BY WEIGHT OF WATER AND AT LEAST 30% BY WEIGHT OF THE COPOLYMER.
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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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |