US2916469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition prepared by polymerizing a mixture of methyl methacrylate and a tetrapolymer
Assignee: H D Justi & Son Inc
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Filing: 1954-05-26
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Granted: 1959-12-08
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Expires: 1974-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lal Joginder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/62; C09; C09J; C09J4/00; C09J4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN ADHESIVE COMPOSITION RESISTANT TO WATER AND ADAPTED TO ADHERE TO METAL, GLASS, PORCELAIN, TOOTH IVORY, POLYMETHYL METHACRYLATES AND POLYSTYRENE SURFACES, PREPARED BY MIXING AND POLYMERIZING METHYL METHACRYLATE AND A COPOLYMER OF A MIXTURE CONSISTING OF (1) FROM 0.1-15% METHACRYLIC ACID, (2) FROM 5-30% STYRENE, (3) 5-40% ACRYLONITRILE, AND (4) THE REMAINDER BEING A COMPATIBILIZING METHACRYLATE ESTER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACRYLATE, ETHYL METHACRYLATE, PROPYL METHACRYLATE, ISOPROPYL METHACRYLATE, BUTYL METHACRYLATE AND ISOBUTYL METHACRYLATE, SAID POLYMERIZING BEING EFFECTED IN THE PRESENCE OF BENZOYL PEROXIDE AND N,N-DIMETHYL-P-TOLUIDINE.
Claim 2
Dependent Claim
88 words
AN ADHESIVE COMPOSITION RESISTANT TO WATER AND ADAPTED TO ADHERE TO METAL, GLASS, PORCELAIN, TOOTH IVORY, POLYMETHYL METHACRYLATES AND POLYSTYRENE SURFACES, PREPARED BY MIXING AND POLYMERIZING METHYL METHACRYLATE AND A COPOLYMER OF A MIXTURE CONSISTING OF (1) FROM 0.1-15% METHACRYLIC ACID, (2) FROM 5-30% STYRENE, (3) 5-40% ACRYLONITRILE, AND (4) THE REMAINDER BEING A COMPATIBILIZING METHACRYLATE ESTER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACRYLATE, ETHYL METHACRYLATE, PROPYL METHACRYLATE, ISOPROPYL METHACRYLATE, BUTYL METHACRYLATE AND ISOBUTYL METHACRYLATE, SAID POLYMERIZING BEING EFFECTED IN THE PRESENCE OF BENZOYL PEROXIDE AND N,N-DIMETHYL-P-TOLUIDINE.
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |