US3350329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions, of shellac, melamine formaldehyde, and styrene-acrylate emulsions
Assignee: GILLESPIE ROGERS PYATT CO Inc
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Filing: 1967-02-01
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Granted: 1967-10-31
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Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Edward C Scholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08L; C08L61/00; C08L61/20; C08L93/00; C08L93/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A COMPOSITION COMPRISING (A) AN AQUEOUS, ALKALINE SOLUTION OF SHELLAC COMBINED WITH AN AQUEOUS SOLUTION OF A MELAMINE-FORMALDEHYDE RESIN REDUCED WITH WATER TO BELOW 60% SOLIDS CONTENT, THE WEIGHT PROPORTION OF SHELLAC TO THE MELAMINE-FORMALDEHYDE RESIN ON A SOLIDS BASIS BEING WITHIN THE RANGE OF 2:1 AND 1:1, WHEREIN EACH INGREDIENT AND MIXTURE OF INGREDIENTS IS ADJUSTED TO A PH ABOVE 10, ADMIXED WITH (B) AN AQUEOUS EMULSION OF AN INTERPOLYMER RESULTING FROM THE COPOLYMERIZATION OF: (1) A MONOMER WHICH IS A LOWER ALKYL ESTER, OR A 2-ETHYLHEXYL ESTER OF ACRYLIC ACID OR METHACRYLIC ACID, AND (2) STYRENE OR CARBOXYLATED SYRENE ADJUSTED TO A PH ABOVE 10, THE WEIGHT PROPORTION OF (A) ON A SOLIDS BASIS BEING FROM ABOUT 16% TO 45% OF THE TOTAL WEIGHT OF (A) AND (B), THE FINAL COMPOSITION BEING ADJUSTED TO A PH ABOVE 10.
Claim 2
Dependent Claim
140 words
A COMPOSITION COMPRISING (A) AN AQUEOUS, ALKALINE SOLUTION OF SHELLAC COMBINED WITH AN AQUEOUS SOLUTION OF A MELAMINE-FORMALDEHYDE RESIN REDUCED WITH WATER TO BELOW 60% SOLIDS CONTENT, THE WEIGHT PROPORTION OF SHELLAC TO THE MELAMINE-FORMALDEHYDE RESIN ON A SOLIDS BASIS BEING WITHIN THE RANGE OF 2:1 AND 1:1, WHEREIN EACH INGREDIENT AND MIXTURE OF INGREDIENTS IS ADJUSTED TO A PH ABOVE 10, ADMIXED WITH (B) AN AQUEOUS EMULSION OF AN INTERPOLYMER RESULTING FROM THE COPOLYMERIZATION OF: (1) A MONOMER WHICH IS A LOWER ALKYL ESTER, OR A 2-ETHYLHEXYL ESTER OF ACRYLIC ACID OR METHACRYLIC ACID, AND (2) STYRENE OR CARBOXYLATED SYRENE ADJUSTED TO A PH ABOVE 10, THE WEIGHT PROPORTION OF (A) ON A SOLIDS BASIS BEING FROM ABOUT 16% TO 45% OF THE TOTAL WEIGHT OF (A) AND (B), THE FINAL COMPOSITION BEING ADJUSTED TO A PH ABOVE 10.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |