Patent US3332797A successfully refreshed from Google Patents.
US3332797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile fabric backsizing composition process for treating textile fabric therewith and the treated fabric
Assignee: Dow Chemical Co
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Filing: 1963-10-04
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Granted: 1967-07-25
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Strasser
- 👤 Melvin J Hatch
- 👤 Frederick L Knochel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/61; C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; D06M15/21; D06M15/227; D06M15/233; D06M15/263; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; C08; C08L; C08L79/00; C08L79/02; D06N2203/00; D06N2203/04; D06N2203/045; D06N2203/047; D06N2205/00; D06N2205/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
136 words
AN AQUEOUS DISPERSION COMPRISING A STABLE BLEND OF (A) A LATEX COMPRISING A COPOLYMER OF AT LEAST 2 POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERS SELECTED FROM THE CLASS CONSISTING OF STYRENE AND MONOMERS COPOLYMERIZABLE WITH STYRENE, FROM ABOUT 0.5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SAID MONOMERS HAVING A PENDANT CARBOXYL GROUP AND (B) FROM ABOUT 0.1 PART TO ABOUT 5 PARTS, FOR EACH 100 PARTS OF COPOLYMER IN THE LATEX, OF A WATER-SOLUBLE ADDUCT OF AMMONIA AND AN EPIHALOHYDRIN, SAID ADDUCT HAVING FOR EACH MOLE OF AMMONIA FROM ABOUT 0.5 MOLE TO ABOUT 2.8 MOLES OF EPIHALOHYDRIN, AND SAID ADDUCT HAVING AN INHERENT VISCOSITY OF LESS THAN ABOUT 0.1 AS DETERMINED AT 25*C. IN A SOLUTION OF 1 GRAM OF THE ADDUCT PER 100 ML. OF WATER CONTAINING 5 PERCENT BY WEIGHT OF HYDROGEN CHLORIDE.
Claim 2
Dependent Claim
136 words
AN AQUEOUS DISPERSION COMPRISING A STABLE BLEND OF (A) A LATEX COMPRISING A COPOLYMER OF AT LEAST 2 POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERS SELECTED FROM THE CLASS CONSISTING OF STYRENE AND MONOMERS COPOLYMERIZABLE WITH STYRENE, FROM ABOUT 0.5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SAID MONOMERS HAVING A PENDANT CARBOXYL GROUP AND (B) FROM ABOUT 0.1 PART TO ABOUT 5 PARTS, FOR EACH 100 PARTS OF COPOLYMER IN THE LATEX, OF A WATER-SOLUBLE ADDUCT OF AMMONIA AND AN EPIHALOHYDRIN, SAID ADDUCT HAVING FOR EACH MOLE OF AMMONIA FROM ABOUT 0.5 MOLE TO ABOUT 2.8 MOLES OF EPIHALOHYDRIN, AND SAID ADDUCT HAVING AN INHERENT VISCOSITY OF LESS THAN ABOUT 0.1 AS DETERMINED AT 25*C. IN A SOLUTION OF 1 GRAM OF THE ADDUCT PER 100 ML. OF WATER CONTAINING 5 PERCENT BY WEIGHT OF HYDROGEN CHLORIDE.
Claim 3
Dependent Claim
171 words
A PROCESS OF TREATING A TEXTILE COMPRISING THE STEPS OF: (A) COATING A TEXTILE FABRIC WITH AN ACQUEOUS COMPOSITION COMPRISING A STABLE BLEND OF (1) A LATEX OF A CARBOXYL-CONTAINING POLYMER AND (2) FROM ABOUT 0.1 PART TO ABOUT 5 PARTS, FOR EACH 100 PARTS OF CARBOXYLCONTAINING POLYMER OF A WATER-SOLUBLE EPIHALOHYDRINAMMONIA ADDUCT, SAID LATEX COMPRISING A COPOLYMER OF AT LEAST TWO POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERS SELECTED FROM THE CLASS CONSISTING OF STYRENE AND MONOMERS COMPOLYMERIZABLE WITH STYRENE FROM ABOUT 0.5 TO ABOUT 10 PERCENT BY WEIGHT OF SAID MONOMERS HAVING A SUBSTITUENT CARBOXYL GROUP, SAID ADDUCT HAVING FOR EACH MOLE OF AMMONIA FROM ABOUT 0.5 TO ABOUT 2.8 MOLES OF EPIHALOHYDRIN, AND SAID EPIHALOHYDRIN-AMMONIA ADDUCT HAVING AN INHERENT VISCOSITY LESS THAN ABOUT 0.1 AS DETERMINED AT 25*C. IN A SOLUTION OF 1 GRAM OF THE ADDUCT PER 100 ML. OF WATER CONTAINING 5 PERCENT BY WEIGHT OF HYDROGEN CHLORIDE, (B) DRYING AND CURING THE RESULTING COATING ON THE TEXTILE FABRIC BY HEATING AT TEMPERATURES FROM ABOUT 200*F. TO ABOUT 350*F.
Claim 4
Dependent Claim
171 words
A PROCESS OF TREATING A TEXTILE COMPRISING THE STEPS OF: (A) COATING A TEXTILE FABRIC WITH AN ACQUEOUS COMPOSITION COMPRISING A STABLE BLEND OF (1) A LATEX OF A CARBOXYL-CONTAINING POLYMER AND (2) FROM ABOUT 0.1 PART TO ABOUT 5 PARTS, FOR EACH 100 PARTS OF CARBOXYLCONTAINING POLYMER OF A WATER-SOLUBLE EPIHALOHYDRINAMMONIA ADDUCT, SAID LATEX COMPRISING A COPOLYMER OF AT LEAST TWO POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERS SELECTED FROM THE CLASS CONSISTING OF STYRENE AND MONOMERS COMPOLYMERIZABLE WITH STYRENE FROM ABOUT 0.5 TO ABOUT 10 PERCENT BY WEIGHT OF SAID MONOMERS HAVING A SUBSTITUENT CARBOXYL GROUP, SAID ADDUCT HAVING FOR EACH MOLE OF AMMONIA FROM ABOUT 0.5 TO ABOUT 2.8 MOLES OF EPIHALOHYDRIN, AND SAID EPIHALOHYDRIN-AMMONIA ADDUCT HAVING AN INHERENT VISCOSITY LESS THAN ABOUT 0.1 AS DETERMINED AT 25*C. IN A SOLUTION OF 1 GRAM OF THE ADDUCT PER 100 ML. OF WATER CONTAINING 5 PERCENT BY WEIGHT OF HYDROGEN CHLORIDE, (B) DRYING AND CURING THE RESULTING COATING ON THE TEXTILE FABRIC BY HEATING AT TEMPERATURES FROM ABOUT 200*F. TO ABOUT 350*F.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |