The reissued letters patent No. 8,637, granted to John Bene
March 25, 1879, for an improvement in the process of refining and
bleaching hair, is limited to the second claim, and is to be
construed as a patent for a process of refining hair by treating it
in a bath composed of a solution of chlorine salt dissolved in an
excess of muriatic acid, but within that limit, it is a pioneer
invention, and is entitled to receive a liberal construction.
The testimony of two experts in a patent suit being conflicting,
and the evidence of one being to facts within his knowledge which
tended to show that there was no infringement, while that of the
other, who was called to establish an infringement, was largely the
assertion of a theory and the presentation of arguments to show
that facts testified to by the other could not exist,
held
that no case of infringement was made out.
In equity to restrain an alleged infringement of letters patent.
Decree dismissing the bill without prejudice to the right of
complainant to bring an action at law. Complainants appealed. The
case is stated in the opinion.
MR. JUSTICE LAMAR delivered the opinion of the Court.
This is a suit in equity, brought in the Circuit Court of the
United States for the Southern District of New York by John Bene
and Adolph Gruenberg against Emile Jeantet, praying an injunction,
accounting, and damages for an alleged infringement of reissued
letters patent No. 8,637, granted to Bene, March 25, 1879, on an
application filed March 4, 1879, for an improvement in the process
of refining and bleaching hair. Counsel for complainant stated in
the record that no claim
Page 129 U. S. 684
is made in this suit for the bleaching of hair except so far as
the bleaching may result incidentally from the process of refining,
and the only issue presented by the pleadings therefore relates to
the question of infringement so far as the process of refining hair
is concerned, there being no issue raised as to the validity of the
patent in any respect.
The nature and object of the invention are set forth in the
specification as follows:
"This invention relates to the treatment of all kinds of coarse
hair, which, in its natural state, has little commercial value and
is entirely unfit for toilet uses and purposes. The said treatment
serves mainly to refine the hair, or reduce the diameter of the
hairs and to render them more pliable and glossy, but it also
serves to partially bleach the hair or lighten its color or tint,
and fit it to pass though any of the ordinary dyeing processes
whereby it may be given any shade or color desired or possible. In
carrying out my invention for the purpose of producing from the
coarse, harsh hair above mentioned a soft, pliable hair of fine
texture, I treat the said coarse hair to a bath composed of such
chemicals of chemical substances as will dissolve away a portion of
the surface of each hair, and thus reduce its diameter. I find that
a solution of a chlorine salt dissolved in an excess of muriatic
acid serves my purpose as a bath for this refining treatment. I
claim as my invention:"
"(1) The method of refining all grades of coarse hair, which
consists in subjecting it to the action of chemicals whereby the
surface of each hair is corroded or dissolved away and its diameter
reduced, substantially as set forth."
"(2) The method of refining coarse hair which consists in
subjecting it to the action of a bath composed of muriatic acid in
which is dissolved a chlorine salt, substantially as set
forth."
"(3) The method of refining and bleaching all kinds and grades
of coarse hair which consists first in bathing and manipulating the
same in a chemical bath composed of acid and a chlorines salt and
then in a bleaching bath composed of acids and bichromate of
potash, substantially as and for the purpose set forth. "
Page 129 U. S. 685
"(4) The method of refining and bleaching all kinds and grades
of coarse hair, which consists first in bathing and manipulating
the same in a bath composed of acid and a chlorine salt, which
refines the hair; second, subjecting the refined hair to a bath
composed of acids and bichromate of potash, and third, subjecting
the hair thus refined and bleached to the proper shade to a fixing
bath, composed of warm water, solution of muriate of tin,
bisulphate of soda, and muriatic acid, which sets the color,
substantially as set forth."
"(5) The method of refining and treating hair which consists in
first passing it through a refining bath composed of an acid and a
chlorine salt, then, if desired or necessary, through bleaching and
fixing baths as above described, and finally treating the hair so
refined to a bath composed of water and ammonia to remove all of
its impurities, substantially as specified."
"(6) As a new article of commerce and manufacture, hair of fine
texture, produced from any grade of coarse hair, either animal or
human, by the method of refining, substantially as herein
described."
The court below held that, were it not for the latter part of
this description, the specification would fail to comply with the
statute and would be void for uncertainty. It therefore limited the
patentee to his second claim, and accordingly ruled that under this
specification,
"the patent is to be construed as one for a process of refining
hair by treating it in a bath composed of a solution of chlorine
salt dissolved in an excess of muriatic acid, and the claims are to
be limited accordingly."
The court further found from the evidence produced in the case
that the alleged infringement, the sole issue presented by the
pleadings, had not been proven, and therefore dismissed the bill
without prejudice to the right of the complainants to bring an
action at law if they were so advised. An appeal from this decree
brings the case here.
Under § 4888, Rev.Stat., the specification must describe
the invention and the manner and process of
"making, constructing, compounding, and using it, in such full,
clear, concise, and exact terms as to enable any person skilled in
the art or science
Page 129 U. S. 686
to which it appertains . . . to make, construct, compound, and
use the same."
Tested by this requirement, the patent in suit cannot receive
the broad construction for which complainants contend. Except as
applicable to the second claim, the specification is not full and
clear enough to give one skilled in chemistry such an idea of the
particular kinds and character of the chemicals, or combination of
chemicals, with the relative proportions of each, as would enable
him to use the invention without having to resort to experiments of
his own to discover those ingredients. The broad construction
claimed for this patent as a pioneer and foundation invention in
the art of refining hair cannot extend the rights of the patentee
beyond the compositions of matter and processes which, as stated in
the patent, embody his real invention. It is true, as appears upon
the pleadings, that the appellant Bene was the first discoverer of
a process of refining hair, and his patent therefore is entitled,
within the limits just indicated, to a liberal construction. If,
therefore, it was proved that the hair dealt in by the defendant
was refined by substantially the same chemical action as that set
forth in the second claim, the fact of infringement was
established, and the complainants were entitled to the decree
prayed for.
Upon the trial, no direct testimony was offered by plaintiffs to
show that the articles dealt in by the defendant were treated or
refined by the patented process. The only fact upon which the
plaintiffs relied was the correspondence of the articles proved to
have been sold by defendant, in respect of smoothness, luster, and
pliability, with the hair produced according to the patented
process, which correspondence, it was contended, showed that both
products resulted from the same method or equivalent method of
preparation, and it was further insisted that the court was bound
from that fact to conclude that refined hair like that in question
could not be produced except by treating it in a bath composed of a
solution of chlorine salt dissolved in an excess of muriatic acid
or a solution of their (chemical) equivalents.
To support this contention, the plaintiff introduced an expert,
Nathaniel S. Keith, who states that, while he had never
attended
Page 129 U. S. 687
any lectures on the subject of chemistry, he had pursued his
studies in the chemical laboratory of his father, a practicing
physician and a manufacturing chemist. He had given hair special
consideration during three or four years past, and had made
experiments upon the processes of refining and bleaching hair with
reference to this suit and another legal controversy. In his
testimony he asserts substantially that the defendant's article
cannot be produced except by a treatment in a solution of chlorine
salt and muriatic acid, or their (chemical) equivalents. In
response to the question
"What other substance is there, if any, except chlorine and its
compounds, which will corrode or dissolve away the surface of the
hair so as to reduce the size or diameter without essentially
destroying the hair?"
he answers: "I have no knowledge of any other." Again:
"My opinion is that any method under which, by the action of
chemicals, the surface of hair is dissolved or corroded away so as
to reduce its diameter, comes within the province, or falls within
one or more of the claims, of the said patent."
To repel this contention, the defendant called as an expert
witness one Charles Marchand, who stated that he had been engaged
in chemical studies for 24 years, having graduated at a school of
arts and manufactures in Paris in 1871, from which time his
business had been that of a manufacturing chemist, to which, after
he came to this country, in 1878, he added the occupation of
analytical chemist. He testifies that in his studies and business,
he has had much to do with bleaching and refining human hair, and
other hair; has known for many years oxidizing agencies for
bleaching or refining hair; first saw hair reduced in diameter by
the use of chemicals twelve years ago in Paris by a chemist, and
that he had made a number of experiments in the treatment of hair
by subjecting it to a refining process entirely different from that
described in the patent, and in corroboration of his testimony he
produced several samples of refined hair, which he stated he had
refined by the use of different chemicals from those mentioned in
the patent.
The first was treated by a chlorine gas solution in pure water,
and then by a solution of peroxide of hydrogen.
Page 129 U. S. 688
The second was a solution of permanganate of potash in water,
with sulphuric acid and muriatic acid in proper proportions.
The third was a solution of sulphurous acid in water, and also a
solution of permanganate of potash.
The fourth was treated by one of the same methods. Another
specimen was treated by a concentration of peroxide of
hydrogen.
To break the force of this testimony, Keith was recalled, and
upon many points contradicted Marchand's statements. He testified
that he had made experiments according to the methods described by
Marchand, and found them failures, and the hair subjected to them
worthless and unrefined.
The testimony of these two witnesses is conflicting. But the
testimony of Marchand relates to facts declared to be within his
knowledge and experience, while that of Keith is largely the
assertion of a theory, and a presentation of arguments to show that
the facts testified to by Marchand cannot exist. The experiments
which Keith said he had made according to Marchand's formula, and
which failed to produce refined hair, were, as he admitted, his
first experiments for that purpose, while those made by Marchand
were the results of twelve years of practice, and attested
themselves by the specimens produced.
We think the complainants did not make out a case of
infringement. There is not a preponderance of evidence in their
favor.
The decree of the circuit court is therefore
Affirmed.