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:
Jan. 15, 1980
Filed:
Apr. 04, 1977
Herbert Knabe, Centereach, NY (US);
Allan T Schlotzhauer, Glen Cove, NY (US);
Michael A Scott, London, GB;
Columbia Ribbon & Carbon Mfg. Co., Inc., Plainview, NY (US);
Abstract
Solvent hectograph compositions which are resistant to rapid thickening and gelling during storage in the presence of ambient humidity comprising a cellulose ether film-forming binder material, at least one oleaginous material which is substantially incompatible with said binder material and a major amount by weight of particulate spirit-soluble solid hectograph imaging material, the volatile solvent for said binder material being a lower aliphatic ester which is a substantial non-solvent for said imaging material and which has a partial miscibility with water, the process of making such compositions and the process of producing pressure-sensitive transfer elements from said compositions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile