US3005802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive salt of an ester of a maleic anhydride copolymer
Assignee: Johnson and Johnson
•
Filing: 1958-09-04
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Granted: 1961-10-24
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Expires: 1978-09-04
Abstract
No abstract record available.
Inventors
- 👤 John C Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:36
CPC Classifications
C; C09; C09J; C09J135/00; C09J135/06; C08; C08F; C08F8/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2883; Y10T428/2891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN ADHESIVE COMPOSITION HAVING A PLASTICITY NOT GREATER THAN ABOUT 4.0 MM. AND A COLD FLOW NOT GREATER THAN ABOUT 2.5 INCHES, COMPRISING A CROSS-LINKED ESTER OF A COPOLYMER COMPRISING ABOUT EQUIMOLECULAR PROPORTIONS OF MALEIC ANHYDRIDE AND A VINYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE AND BINYL TOLUENE, SAID COPOLYMER HAVING AN INTRINSIC VISCOSITY IN THE RANGE FROM ABOUT 0.2 TO 2.0, ABOUT 70 TO 95 PERCENT OF THE POTENTIAL CARBOXYL GROUPS IN SAID COPOLYMER BEING ESTERIFIED WITH AN ALIPHATIC PRIMARY MOMOHYDRIC SATUATED ALCOHOL CONTAINING 6 TO 16 CARBON ATOMS, SAID ESTER HAVING BEEN REACTED TO FORM A SALT WITH AN INORGANIC POLYVALENT METAL OXIDE, SAID SALT FORMATION BEING SUFFICIENT TO IMPART TO SAID ESTER A GEL CONTENT IN THE RANGE FROM ABOUT 10 TO 100 PERCENT BY WEIGHT OF THE ESTER.
Claim 2
Dependent Claim
134 words
AN ADHESIVE COMPOSITION HAVING A PLASTICITY NOT GREATER THAN ABOUT 4.0 MM. AND A COLD FLOW NOT GREATER THAN ABOUT 2.5 INCHES, COMPRISING A CROSS-LINKED ESTER OF A COPOLYMER COMPRISING ABOUT EQUIMOLECULAR PROPORTIONS OF MALEIC ANHYDRIDE AND A VINYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE AND BINYL TOLUENE, SAID COPOLYMER HAVING AN INTRINSIC VISCOSITY IN THE RANGE FROM ABOUT 0.2 TO 2.0, ABOUT 70 TO 95 PERCENT OF THE POTENTIAL CARBOXYL GROUPS IN SAID COPOLYMER BEING ESTERIFIED WITH AN ALIPHATIC PRIMARY MOMOHYDRIC SATUATED ALCOHOL CONTAINING 6 TO 16 CARBON ATOMS, SAID ESTER HAVING BEEN REACTED TO FORM A SALT WITH AN INORGANIC POLYVALENT METAL OXIDE, SAID SALT FORMATION BEING SUFFICIENT TO IMPART TO SAID ESTER A GEL CONTENT IN THE RANGE FROM ABOUT 10 TO 100 PERCENT BY WEIGHT OF THE ESTER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |