US2692841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubberlike cement and laminated structure bonded therewith
Assignee: Motors Liquidation Co
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Filing: 1950-12-01
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Granted: 1954-10-26
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Expires: 1970-12-01
Abstract
No abstract record available.
Inventors
- 👤 Charles E Frank
- 👤 Kraus Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:56
CPC Classifications
C; C09; C09J; C09J107/00; B; B32; B32B; B32B15/00; B32B15/04; B32B15/06; B32B25/00; B32B25/12; B32B25/16; B32B7/00; B32B7/04; B32B7/12; C08; C08J; C08J5/00; C08J5/12; C08J5/124; C08J2307/00; C08J2309/00; C08J2309/02; C08J2309/06; C08J2311/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
A LAMINATED STRUCTURE COMPRISING IN COMBINATION, A LAYER OF HARD NON-POROUS MATERIAL AND A LAYER TAKEN FROM THE CLASS CONSISTING OF NATURAL RUBBER, POLYCHLOROPRENE AND BUTALASTIC POLYMERS INCLUDING A SINGLE ETHYLENIC DOUBLE BOND >C=C< WHICH ARE COPOLYMERIZABLE WITH BUTADIENE 1,3 IN AQUEOUS EMULSION AND MIXTURES THEREOF, AND AN INTERPOSED LAYER ADHERING THE FIRST TWO MENTIONED LAYERS TOGETHER THROUGH A STRONG COEXTENSIVE BOND WHICH WILL WITHSTAND PULLS OF MORE THAN 750 POUNDS PER SQUARE INCH COMPRISING AS STARTING INGREDIENTS A COPOLYMER OF METHACRYLIC ACID AND BUTADIENE WHEREIN THE METHACRYLIC ACID COMPRISES 15 TO 27% BY WEIGHT TOGETHER WITH A PEROXIDE ACCELERATOR WHEREIN THE ACTIVE OXYGEN AVAILABLE RANGES FROM 0.3 TO 5.0% BY WEIGHT OF THE COPOLYMER.
Claim 2
Dependent Claim
115 words
A LAMINATED STRUCTURE COMPRISING IN COMBINATION, A LAYER OF HARD NON-POROUS MATERIAL AND A LAYER TAKEN FROM THE CLASS CONSISTING OF NATURAL RUBBER, POLYCHLOROPRENE AND BUTALASTIC POLYMERS INCLUDING A SINGLE ETHYLENIC DOUBLE BOND >C=C< WHICH ARE COPOLYMERIZABLE WITH BUTADIENE 1,3 IN AQUEOUS EMULSION AND MIXTURES THEREOF, AND AN INTERPOSED LAYER ADHERING THE FIRST TWO MENTIONED LAYERS TOGETHER THROUGH A STRONG COEXTENSIVE BOND WHICH WILL WITHSTAND PULLS OF MORE THAN 750 POUNDS PER SQUARE INCH COMPRISING AS STARTING INGREDIENTS A COPOLYMER OF METHACRYLIC ACID AND BUTADIENE WHEREIN THE METHACRYLIC ACID COMPRISES 15 TO 27% BY WEIGHT TOGETHER WITH A PEROXIDE ACCELERATOR WHEREIN THE ACTIVE OXYGEN AVAILABLE RANGES FROM 0.3 TO 5.0% BY WEIGHT OF THE COPOLYMER.
Claim 3
Dependent Claim
105 words
AN ADHESION CEMENT CONSISTING OF A COPOLYMER OF A DIENE COMPOUND TAKEN FROM THE CLASS CONSISTING OF BUTADIENE AND ISOPRENE AND AN UNSATURATED ORGANIC ACID TAKEN FROM THE CLASS CONSISTING OF METHACRYLIC ACID AND ACRYLIC ACID, SAID UNSATURATED ORGANIC ACID BEING PRESENT IN QUANTITIES OF FROM 15 TO 27% BY WEIGHT, A SOLVENT TAKEN FROM THE CLASS CONSISTING OF CYCLOHEXANONE AND DIOXANE AND A PEROXIDE ACCELERATOR TAKEN FROM THE CLASS CONSISTING OF: HYDROGEN PEROXIDE, PHENYL-DIMETHYL-HYDROPEROXY METHANE TERTIARY BUTYL HYDROPEROXIDE, CYCLOHEXANONE PEROXIDE AND METHYL-ETHYL-KETONE-PEROXIDE IN QUANTITIES SUFFICIENT TO YIELD TO FROM 0.3 TO 5.0% ACTIVE OXYGEN BY WEIGHT OF THE COPOLYMER ON A DRY WEIGHT BASIS.
Claim 4
Dependent Claim
105 words
AN ADHESION CEMENT CONSISTING OF A COPOLYMER OF A DIENE COMPOUND TAKEN FROM THE CLASS CONSISTING OF BUTADIENE AND ISOPRENE AND AN UNSATURATED ORGANIC ACID TAKEN FROM THE CLASS CONSISTING OF METHACRYLIC ACID AND ACRYLIC ACID, SAID UNSATURATED ORGANIC ACID BEING PRESENT IN QUANTITIES OF FROM 15 TO 27% BY WEIGHT, A SOLVENT TAKEN FROM THE CLASS CONSISTING OF CYCLOHEXANONE AND DIOXANE AND A PEROXIDE ACCELERATOR TAKEN FROM THE CLASS CONSISTING OF: HYDROGEN PEROXIDE, PHENYL-DIMETHYL-HYDROPEROXY METHANE TERTIARY BUTYL HYDROPEROXIDE, CYCLOHEXANONE PEROXIDE AND METHYL-ETHYL-KETONE-PEROXIDE IN QUANTITIES SUFFICIENT TO YIELD TO FROM 0.3 TO 5.0% ACTIVE OXYGEN BY WEIGHT OF THE COPOLYMER ON A DRY WEIGHT BASIS.
References Cited (Backward Citations)
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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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |