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.

Date of Patent:
Mar. 30, 1993

Filed:

Feb. 25, 1992
Applicant:
Inventors:

Harro M von der Haegen, Laufach, DE;

Bernhard Seiferling, Goldbach, DE;

Assignee:

Ciba-Geigy Corporation, Ardsley, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08F / ;
U.S. Cl.
CPC ...
523106 ; 523107 ; 523108 ; 526285 ; 526308 ;
Abstract

The invention relates to contact lenses made from a polymer comprising macrocycles that are made up of units of formula I


Find Patent Forward Citations

Quick Actions:

von der Haegen, Harro. (1993). Contact lenses made from thermoformable material (U.S. Patent No. 5198477). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5198477

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…