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US3829397A Expired / Lapsed US ⏱️ 0.0 years remaining

Acrylic coating composition for refinishing flexible substrates

Assignee: EIDP Inc
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Filing: 1972-08-30
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Granted: 1974-08-13
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Expires: 1992-08-30
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Abstract

Abstract THE COATING COMPOSITION IS USEFUL FOR REPAIRING THE FINISH OF FLXIBLE AUTOMOBILE AND TRUCK BUMPERS AND COMPRISES A BLEND OF THE FOLLOWING POLYMERS: (1) A COPOLYMER OF METHYL METHACRYLATE AND AN ALKYL ACRYLATE OR AN AKYL MTHACRYLATE HAVING 2-12 CARBON ATOMS IN THE ALKYL GROUPS; (2) A COPOLYMER OF METHYL METHACRYLATE AND AN ADHESION OF PROMOTING MONOMER SUCH AS THE 3-2-METHACRYLOXYETHYL (2,2 SPIRO CYCLOHEXYL OXAZOLIDINE); (3) A PLASTICIZER WHICH IS EITHER A PHTHALATE ESTER SUCH AS BUTYL BENZYL PHTHALATE OR BUTYL CYCLOHEXYL PHTHALATE OR AN ALKYD RESIN; THE NOVEL COMPOSITION CAN BE BLENDED WITH OTHER PIGMENTED ACRYLIC POLYMER COATING COMPOSITIONS TO FORM A HIGH QUALITY REFINISH COMPOSITION FOR FLEXIBLE BUMPERS.

Inventors

  • 👤 R Sheppard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:11
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-08-12 1978-02-11 1978-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-12 1982-02-11 1982-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-12 1986-02-11 1986-08-13 $7700.00 Window Closed / Lapsed

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