The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 1980
Filed:
Oct. 20, 1977
Applicant:
Inventor:
Walter G De Witt, III, Southhampton, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428201 ; 427421 ; 428461 ; 428500 ; 428511 ; 428515 ; 425537 ;
Abstract
Coating compositions comprising an acrylic solution polymer having a molecular weight of about 30,000 to 250,000 and a Tg above 65.degree. F., a solvent therefor, and a compatible acrylic polymer having a Tg less than -20.degree. F., which is soluble in the same solvent, coated substrates, and especially coated impact-modified acrylic sheets having improved resistance to impact.
De Witt, III, Walter. (1980). High impact resistant coated articles (U.S. Patent No. 4202924). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4202924
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile