APPLICATION OF DE GROOTE

Patent Appeal No. 7184.

333 F.2d 247 (1964)

Application of Melvin DE GROOTE, Deceased (Assignee Substitute Petrolite Corporation).

United States Court of Customs and Patent Appeals.

June 25, 1964.


Attorney(s) appearing for the Case

John Boustead, New York City, Martin J. Brown, Washington, D. C., for appellants.

Clarence W. Moore, Washington, D. C. (Fred W. Sherling, Washington, D. C., of counsel), for Commissioner.

Before WORLEY, Chief Judge, and RICH, MARTIN, SMITH and ALMOND, Judges.


SMITH, Judge.

The single issue presented on this appeal is obviousness of the claimed invention under 35 U.S.C. § 103. The claimed invention relates to compounds which are asserted to be useful as demulsifiers, in that they prevent, break or resolve emulsions of the water-in-oil type. Appellant in his brief defines the polyoxyalkylene glycol mixture of claim 1 as:

HO — (A) (B) (A) (B) (A) — H ...

Let's get started

Leagle.com

Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.

  • Updated daily.
  • Uncompromising quality.
  • Complete, Accurate, Current.

Listed below are the cases that are cited in this Featured Case. Click the citation to see the full text of the cited case. Citations are also linked in the body of the Featured Case.

Cited Cases

  • No Cases Found

Listed below are those cases in which this Featured Case is cited. Click on the case name to see the full text of the citing case.

Citing Cases