US3305513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sprayable water-soluble alkyl methacrylate polymer solutions
Assignee: Johnson and Johnson
•
Filing: 1964-04-09
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Granted: 1967-02-21
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Robert J Gander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:58
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; Y; Y10; Y10S; Y10S524/00; Y10S524/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A PRESSURIZED SYSTEM FOR SPRAY APPLICATION A SOLUTION OF A FILM-FORMING POLYMER IN PROPELLENT THE SOLVENT FOR SAID POLYMER IN SAID SYSTEM CONSISTING ESSENTIALLY OF A PROPELLENT USED IN SAID SYSTEM THE PROPELLENT OF SAID SYSTEM INCLUDING AT LEAST ONE PROPELLENT SOLVENT OF THE GROUP CONSISTING OF TRICHLOROFLUOROMETHANE, DIFLUOROCHLOROMETHANE, VINYL CHLORIDE AND DIMETHYL ETHER, SAID FILMFORMING POLYMER BEING AN AMINE HYDROCHLORIDE SALT OF A TERPOLYMER OF N-BUTYL METHACRYLATE, LAURYL METHACRYLATE AND AT LEAST ONE AMINE-CONTAINING MONOMER OF THE GROUP CONSISTING OF DIMETHYLAMINOETHYL METHACRYLATE AND TERT.BUTYLAMINOETHYL METHACRYLATE, THE AMINE-CONTAINING MONOMER PORTION OF SAID TERPOLYMER CONSISTING OF ABOUT 25% BY WEIGHT OF THE SAME AND THE N-BUTYL METHACRYLATE AND LAURYL METHACRYLATE PORTIONS BEING PRESENT IN AMOUNTS OF 1 PART BY WEIGHT N-BUTYL METHACRYLATE FOR EACH 1 TO 3 PARTS BY WEIGHT OF SAID LAURYL METHACRYLATE, SAID TERPOLYMER IN THE FREE BASE POLYMER FORM HAVING AN INTRINSIC VISCOSITY OF NOT OVER 1.6 AND PRESENT IN SAID SOLUTION IN A CONCENTRATION OF NOT OVER 6.0 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
165 words
IN A PRESSURIZED SYSTEM FOR SPRAY APPLICATION A SOLUTION OF A FILM-FORMING POLYMER IN PROPELLENT THE SOLVENT FOR SAID POLYMER IN SAID SYSTEM CONSISTING ESSENTIALLY OF A PROPELLENT USED IN SAID SYSTEM THE PROPELLENT OF SAID SYSTEM INCLUDING AT LEAST ONE PROPELLENT SOLVENT OF THE GROUP CONSISTING OF TRICHLOROFLUOROMETHANE, DIFLUOROCHLOROMETHANE, VINYL CHLORIDE AND DIMETHYL ETHER, SAID FILMFORMING POLYMER BEING AN AMINE HYDROCHLORIDE SALT OF A TERPOLYMER OF N-BUTYL METHACRYLATE, LAURYL METHACRYLATE AND AT LEAST ONE AMINE-CONTAINING MONOMER OF THE GROUP CONSISTING OF DIMETHYLAMINOETHYL METHACRYLATE AND TERT.BUTYLAMINOETHYL METHACRYLATE, THE AMINE-CONTAINING MONOMER PORTION OF SAID TERPOLYMER CONSISTING OF ABOUT 25% BY WEIGHT OF THE SAME AND THE N-BUTYL METHACRYLATE AND LAURYL METHACRYLATE PORTIONS BEING PRESENT IN AMOUNTS OF 1 PART BY WEIGHT N-BUTYL METHACRYLATE FOR EACH 1 TO 3 PARTS BY WEIGHT OF SAID LAURYL METHACRYLATE, SAID TERPOLYMER IN THE FREE BASE POLYMER FORM HAVING AN INTRINSIC VISCOSITY OF NOT OVER 1.6 AND PRESENT IN SAID SOLUTION IN A CONCENTRATION OF NOT OVER 6.0 PERCENT BY WEIGHT.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |