Patent US3085865A successfully refreshed from Google Patents.
Patent US3272640A successfully refreshed from Google Patents.
US3272640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water insolubilizing and insensitizing process
Assignee: Hercules Powder Co
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Filing: 1960-12-22
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Granted: 1966-09-13
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Geurden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
C; C08; C08B; C08B37/00; C08B11/00; C08B11/20; C08B31/00; C08B31/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
294 words
PROCESS FOR REDUCING THE WATER SOLUBILITY AND WATER SENSITIVITY OF WATER-SOLUBLE MATERIALS WHICH COMPRISES PREPHATIC ACIDS, THE ANHYDRIDES OF SAID ACIDS, THE WATER-SOLUBLE DERIVATIVES OF SAID ACIDS AND ANHYDRIDES, POLYAMIDEPARING AN AQUEOUS MIXTURE OF SAID WATER-SOLUBLE MATERIAL AND AN INSOLUBILIZING AGENT THEREFOR, UNIFORMLY AND STABLY EPICHLOROHYDRIN RESINS, ALDEHYDES, AND THE WATER-SOLUBLE SALTS OF POLYVALENT METALS WHICH COMPLEX WITH CELLULOSE, DISTRIBUTING A HYDROPHOBIC FILM FORMER THROUGHOUT SAID MIXTURE, SUBSTANTIALLY DRYING THE RESULTING MIXTURE AT A SAID WATER-SOLUBLE MATERIALS BEING SELECTED FROM THE GROUP CONSISTING O WATER-SOLUBLE CARBOXYALKYL AND HYDROXYALKYL TEMPERATURE FROM ROOM TEMPERATURE TO A TEMPERATURE SUFFICIENTLY LOW THAT NEITHER THE CONSTITUENTS OF THE MIXTURE NOR ETHERS AND ESTERS OF CELLULOSE AND STARCH; STARCHES; VEGETABLE GUMS; CASEIN, GELATIN, ANIMAL GLUE AND SOY PROTEIN; THE RESULTING PRODUCT BEING PREPARED BEGIN TO DECOMPOSE, WHEREBY THE HYDROPHOBIC FILM FORMER MIGRATES TO THE SURPOLYVINYL ALCOHOL, POLYACRYLIC ACID, SUBSTITUTED POLYACRYLIC ACID, COPOLYMERS DERIVED FROM MALEIC ANHYDRIDE; POLYFACE OF THE RESULTING MIXTURE, THE INSOLUBILIZING AGENT SUBSTANTIALLY INSOLUBILIZES THE WATER-SOLUBLE MATERIAL, AND THE AMIDES; AND POLYMERIC AMINES, SAID HYDROPHOBIC FILM FORMER BEING SELECTED FROM THE GROUP CONSISTING OF LINSEED HYDROPHOBIC FILM FORMER FORMS A SUBSTANTIALLY CONTINUOUS WATER-INSOLUBLE WATER-IMPERVIOUS AND WATER-INSENSITIVE OIL, DEHYDROGENATED CASTOR OIL, TUNG OIL, SOYBEAN OIL, POPPYSEED OIL, HEMPSEED OIL, OITICICA, FISH OIL, SAFFLOWER FILM ON THE SURFACE OF SAID INSOLUBILIZED WATER-INSENSITIVE MATERIAL, THE AMOUNT OF THE INSOLUBILIZING AGENT AND HYOIL, PERILLA, TALL OIL, SUNFLOWER OIL, BEESWAX, HYDROGENATED SPERMACETI WAX, CHINESE WAX, SHELLAC WAX, SUGAR CANE WAX, DROPHOBIC FILM FORMER BEING ABOUT 1%-20% AND 3%25%, RESPECTIVELY, BY WEIGHT OF SAID WATER-SOLUBLE MAOURICURY WAX, PALM WAX, CANDELILLA WAX, SUGAR CANE WAX, MONTAN WAX, OZOCERITE WAX, PARAFFIN WAX, ALKYD RESINS. TERIAL BEING INSOLUBILIZED, SAID INSOLUBILIZING AGENT BEING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF UNSATURATED MONOBASIC ALIPHATIC ACIDS, UNSATURTED DIBASIC AL
Claim 2
Dependent Claim
294 words
PROCESS FOR REDUCING THE WATER SOLUBILITY AND WATER SENSITIVITY OF WATER-SOLUBLE MATERIALS WHICH COMPRISES PREPHATIC ACIDS, THE ANHYDRIDES OF SAID ACIDS, THE WATER-SOLUBLE DERIVATIVES OF SAID ACIDS AND ANHYDRIDES, POLYAMIDEPARING AN AQUEOUS MIXTURE OF SAID WATER-SOLUBLE MATERIAL AND AN INSOLUBILIZING AGENT THEREFOR, UNIFORMLY AND STABLY EPICHLOROHYDRIN RESINS, ALDEHYDES, AND THE WATER-SOLUBLE SALTS OF POLYVALENT METALS WHICH COMPLEX WITH CELLULOSE, DISTRIBUTING A HYDROPHOBIC FILM FORMER THROUGHOUT SAID MIXTURE, SUBSTANTIALLY DRYING THE RESULTING MIXTURE AT A SAID WATER-SOLUBLE MATERIALS BEING SELECTED FROM THE GROUP CONSISTING O WATER-SOLUBLE CARBOXYALKYL AND HYDROXYALKYL TEMPERATURE FROM ROOM TEMPERATURE TO A TEMPERATURE SUFFICIENTLY LOW THAT NEITHER THE CONSTITUENTS OF THE MIXTURE NOR ETHERS AND ESTERS OF CELLULOSE AND STARCH; STARCHES; VEGETABLE GUMS; CASEIN, GELATIN, ANIMAL GLUE AND SOY PROTEIN; THE RESULTING PRODUCT BEING PREPARED BEGIN TO DECOMPOSE, WHEREBY THE HYDROPHOBIC FILM FORMER MIGRATES TO THE SURPOLYVINYL ALCOHOL, POLYACRYLIC ACID, SUBSTITUTED POLYACRYLIC ACID, COPOLYMERS DERIVED FROM MALEIC ANHYDRIDE; POLYFACE OF THE RESULTING MIXTURE, THE INSOLUBILIZING AGENT SUBSTANTIALLY INSOLUBILIZES THE WATER-SOLUBLE MATERIAL, AND THE AMIDES; AND POLYMERIC AMINES, SAID HYDROPHOBIC FILM FORMER BEING SELECTED FROM THE GROUP CONSISTING OF LINSEED HYDROPHOBIC FILM FORMER FORMS A SUBSTANTIALLY CONTINUOUS WATER-INSOLUBLE WATER-IMPERVIOUS AND WATER-INSENSITIVE OIL, DEHYDROGENATED CASTOR OIL, TUNG OIL, SOYBEAN OIL, POPPYSEED OIL, HEMPSEED OIL, OITICICA, FISH OIL, SAFFLOWER FILM ON THE SURFACE OF SAID INSOLUBILIZED WATER-INSENSITIVE MATERIAL, THE AMOUNT OF THE INSOLUBILIZING AGENT AND HYOIL, PERILLA, TALL OIL, SUNFLOWER OIL, BEESWAX, HYDROGENATED SPERMACETI WAX, CHINESE WAX, SHELLAC WAX, SUGAR CANE WAX, DROPHOBIC FILM FORMER BEING ABOUT 1%-20% AND 3%25%, RESPECTIVELY, BY WEIGHT OF SAID WATER-SOLUBLE MAOURICURY WAX, PALM WAX, CANDELILLA WAX, SUGAR CANE WAX, MONTAN WAX, OZOCERITE WAX, PARAFFIN WAX, ALKYD RESINS. TERIAL BEING INSOLUBILIZED, SAID INSOLUBILIZING AGENT BEING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF UNSATURATED MONOBASIC ALIPHATIC ACIDS, UNSATURTED DIBASIC AL
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |