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US2941974A Expired / Lapsed US ⏱️ 0.0 years remaining

Vinyl chloride-vinylidene chloride sanitary can coating solution having improved adhesion

Assignee: American Marietta Co
•
Filing: 1956-07-27
•
Granted: 1960-06-21
•
Expires: 1976-07-27
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Abstract

No abstract record available.

Inventors

  • 👤 George L Reymann
  • 👤 George W Gerhardt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:40
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08K5/01; C08L; C08L27/00; C08L27/02; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08L2205/00; C08L2205/02; C08L27/04; C08L27/06; C08L27/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 266 words
A SOLVENT SOLUTION COMPRISING AT LEAST 18% BY WEIGHT OF A RESIN COMPONENT DISSOLVED IN AN ORGANIC SOLVENT MEDIUM, SAID ORGANIC SOLVENT MEDIUM CONSISTING OF AT LEAST 75% BY WEIGHT OF NORMALLY LIQUID AROMATIC HYDROCARBON SOLVENT AND UP TO 25% BY WEIGHT OF AN ACTIVE ORGANIC LIQUID SOLVENT SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYL KETONE, METHYL ISOBUTYL KETONE, ETHYL ACETATE, BUTYL PROPIONATE, CHLOROBENZENE, TETRAHYDROPYRAN, TETRAHYDROFURAN, 2-NITROPROPANE, ISOPHORONE, CYCLOHEXANONE, DIMETHYL FORMAMIDE, ACETONITRILE AND PROPYLENE CARBONATE, SAID RESIN COMPONENT COMPRISING COPOLYMER A, CONSTITUTING 80% TO 99.5% BY WEIGHT A SAID RESIN COMPONENT, AND COMPOLYMER B, CONSTITUTING THE BALANCE OF SAID RESIN COMPONENT, COPOLYMER A BEING A COPOLYMER OF 30-75% BY WEIGHT OF VINYL CHLORIDE AND CORRESPONDINGLY 25-70% BY WEIGHT OF VINYLIDENE CHLORIDE AND BEING CHARACTERIZED BY COMPLETE SOLUBILITY IN XYLENE AT 25% SOLIDS CONCENTRATION AND BY A SPECIFIC VISCOSITY OF FROM 0.12 TO 0.30 DETERMINED AT 25*C. IN 0.4% SOLUTION IN NITROBENZENE, COPOLYMER B BEING A COPOLYMER OF A MIXTURE OF INGREDIENTS CONSISTING ESSENTIALLY OF (1) 60-95% BY WEIGHT OF A VINYL HALIDE, (2) AT LEAST 0.1% BY WEIGHT OF MONOMER SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC ALPHA, BETA-MONO-OLEFINIC CARBOXYLIC ACIDS, ANHYDRIDES OF SAID ACIDS AND ALKYL ESTERS OF SAID ACIDS, SAID ALIPHATIC ALPHA, BETA-MONO-OLEFINIC CARBOXYLIC ACIDS AND ANHYDRIDES OF SAID ACIDS BEING PRESENT IN AN AMOUNT UP TO 5% BY WEIGHT WITH ANY BALANCE OF SAID MIXTURE BEING VINYL ESTERS OF LOWER SATURATED FATTY ACIDS, THE RATIO OF PROPORTIONS OF SAID ACTIVE ORGANIC LIQUID SOLVENT TO SAID AROMATIC SOLVENT INCREASING AS THE RATIO OF PROPORTIONS OF SAID COPOLYMER B INCREASES TO SAID COPOLYMER A.
Claim 2
Dependent Claim 266 words
A SOLVENT SOLUTION COMPRISING AT LEAST 18% BY WEIGHT OF A RESIN COMPONENT DISSOLVED IN AN ORGANIC SOLVENT MEDIUM, SAID ORGANIC SOLVENT MEDIUM CONSISTING OF AT LEAST 75% BY WEIGHT OF NORMALLY LIQUID AROMATIC HYDROCARBON SOLVENT AND UP TO 25% BY WEIGHT OF AN ACTIVE ORGANIC LIQUID SOLVENT SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYL KETONE, METHYL ISOBUTYL KETONE, ETHYL ACETATE, BUTYL PROPIONATE, CHLOROBENZENE, TETRAHYDROPYRAN, TETRAHYDROFURAN, 2-NITROPROPANE, ISOPHORONE, CYCLOHEXANONE, DIMETHYL FORMAMIDE, ACETONITRILE AND PROPYLENE CARBONATE, SAID RESIN COMPONENT COMPRISING COPOLYMER A, CONSTITUTING 80% TO 99.5% BY WEIGHT A SAID RESIN COMPONENT, AND COMPOLYMER B, CONSTITUTING THE BALANCE OF SAID RESIN COMPONENT, COPOLYMER A BEING A COPOLYMER OF 30-75% BY WEIGHT OF VINYL CHLORIDE AND CORRESPONDINGLY 25-70% BY WEIGHT OF VINYLIDENE CHLORIDE AND BEING CHARACTERIZED BY COMPLETE SOLUBILITY IN XYLENE AT 25% SOLIDS CONCENTRATION AND BY A SPECIFIC VISCOSITY OF FROM 0.12 TO 0.30 DETERMINED AT 25*C. IN 0.4% SOLUTION IN NITROBENZENE, COPOLYMER B BEING A COPOLYMER OF A MIXTURE OF INGREDIENTS CONSISTING ESSENTIALLY OF (1) 60-95% BY WEIGHT OF A VINYL HALIDE, (2) AT LEAST 0.1% BY WEIGHT OF MONOMER SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC ALPHA, BETA-MONO-OLEFINIC CARBOXYLIC ACIDS, ANHYDRIDES OF SAID ACIDS AND ALKYL ESTERS OF SAID ACIDS, SAID ALIPHATIC ALPHA, BETA-MONO-OLEFINIC CARBOXYLIC ACIDS AND ANHYDRIDES OF SAID ACIDS BEING PRESENT IN AN AMOUNT UP TO 5% BY WEIGHT WITH ANY BALANCE OF SAID MIXTURE BEING VINYL ESTERS OF LOWER SATURATED FATTY ACIDS, THE RATIO OF PROPORTIONS OF SAID ACTIVE ORGANIC LIQUID SOLVENT TO SAID AROMATIC SOLVENT INCREASING AS THE RATIO OF PROPORTIONS OF SAID COPOLYMER B INCREASES TO SAID COPOLYMER A.

References Cited (Backward Citations)

US2231407A Cited
US2329456A Cited
US2459125A Cited
US2461613A Cited
US2675334A Cited
US2646414A Cited
US2877922A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-21 1963-12-21 1964-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-21 1967-12-21 1968-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-21 1971-12-21 1972-06-21 $7700.00 Window Closed / Lapsed

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